# Search series codes, product names or key specifications.

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Product series search

Try MPX/X2, MOV, NTC, Y1 or AEC-Q200.

## Product lines and series

### [SMD components](https://www.songtian-ste.com/en/products/smd/)

7 series · 301 part numbers

### [Ceramic capacitors](https://www.songtian-ste.com/en/products/ceramic-capacitors/)

9 series · 4,582 part numbers

### [Film capacitors](https://www.songtian-ste.com/en/products/film-capacitors/)

24 series · 8,419 part numbers

### [Varistors](https://www.songtian-ste.com/en/products/metal-oxide-varistors/)

7 series · 3,345 part numbers

### [Thermistors (NTC / PTC)](https://www.songtian-ste.com/en/products/thermistors/)

15 series · 1,557 part numbers

### [Automotive](https://www.songtian-ste.com/en/products/automotive/)

6 series · 396 part numbers

SMD-MOV

### [SMD-MOV Surface-Mount Metal-Oxide Varistors](https://www.songtian-ste.com/en/products/smd-varistors/smd-mov/)

Surface-mount metal-oxide varistors for board-level surge protection in high-density power designs. Case sizes 3225 and 4032, nominal codes 201K–821K. Part-number list on request.

- **Nominal code range**: 201K–821K
- **Case size**: 3225 / 4032

[View specifications](https://www.songtian-ste.com/en/products/smd-varistors/smd-mov/)

SMD-PTC

### [SMD PTC Thermistors for Overcurrent Protection](https://www.songtian-ste.com/en/products/smd-thermistors/smd-ptc/)

Surface-mount PTC thermistors for board-level overcurrent protection. Rated voltage 260–500 VAC, resistance 10–5,000 Ω. List of STE part numbers on request.

- **Rated voltage**: 260–500 VAC
- **Resistance**: 10–5,000 Ω

[View specifications](https://www.songtian-ste.com/en/products/smd-thermistors/smd-ptc/)

SMD-NTC (Power)

### [SMD NTC Inrush Current Limiters](https://www.songtian-ste.com/en/products/smd-thermistors/smd-power/)

Molded SMD power NTC thermistors for inrush current limiting at the power input. R25 1.5–200 Ω, max. steady-state current 1.0–5.0 A, in 1815, 2522 and 3225 packages.

- **R25 range**: 1.5–200 Ω
- **Max. steady-state current**: 1.0–5.0 A

[View specifications](https://www.songtian-ste.com/en/products/smd-thermistors/smd-power/)

SMD Sensing NTC

### [SMD NTC Thermistors for Temperature Measurement](https://www.songtian-ste.com/en/products/smd-thermistors/smd-sensing/)

Glass-coated SMD NTC thermistors for PCB temperature sensing and compensation. Case sizes 0201 to 0805, R25 1 kΩ–1.3 MΩ.

- **R25**: 1 kΩ–1.3 MΩ
- **B25/50**: 3,380–4,500 K

[View specifications](https://www.songtian-ste.com/en/products/smd-thermistors/smd-sensing/)

SMD-X1Y1

### [SMD-X1Y1 Series Safety Certified SMD Ceramic Capacitors (Class X1/Y1)](https://www.songtian-ste.com/en/products/ceramic-capacitors/smd-x1y1/)

Resin-molded SMD ceramic safety capacitors, Class X1/Y1, for EMI suppression. X1 760 VAC, Y1 500 VAC, 10–4,700 pF.

- **Safety class**: X1 / Y1 (IEC 60384-14)
- **Rated voltage**: X1 760 VAC · Y1 500 VAC

VDE, ENEC [View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/smd-x1y1/)

SMD · SMC-X1Y2

### [SMC-X1Y2 Series Safety Certified SMD Ceramic Capacitors (Class X1/Y2)](https://www.songtian-ste.com/en/products/ceramic-capacitors/smc-x1y2/)

Resin-molded SMD ceramic safety capacitors, Class X1/Y2, for EMI suppression. X1 440 VAC, Y2 300 VAC, 10–4,700 pF.

- **Safety class**: X1 / Y2 (IEC 60384-14)
- **Rated voltage**: X1 440 VAC · Y2 300 VAC

[View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/smc-x1y2/)

SMD-DC

### [SMD-DC Series Medium & High Voltage SMD Ceramic Capacitors](https://www.songtian-ste.com/en/products/ceramic-capacitors/smd-dc/)

Resin-molded SMD ceramic capacitors for high-voltage DC circuits. Rated 1,000, 2,000 and 3,000 VDC, 10–4,700 pF, in 1815 and 2522 formats.

- **Rated voltage**: 1 / 2 / 3 kVDC
- **Capacitance**: 10–4,700 pF

[View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/smd-dc/)

CY

### [CY Series Safety Certified Disc Ceramic Capacitors (Class X1/Y1)](https://www.songtian-ste.com/en/products/ceramic-capacitors/cy-y1/)

Leaded disc ceramic safety capacitors, Class X1/Y1 to IEC 60384-14. X1 up to 760 VAC, Y1 up to 500 VAC, 100–10,000 pF.

- **Safety class**: X1 / Y1 (IEC 60384-14)
- **Rated voltage**: X1 760 VAC · Y1 500 VAC · 1,500 VDC (Y5U/Y5V)

UL, VDE, ENEC, CQC [View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/cy-y1/)

CD

### [CD Series Safety Certified Disc Ceramic Capacitors (Class X1/Y1)](https://www.songtian-ste.com/en/products/ceramic-capacitors/cd-y1/)

Leaded disc ceramic safety capacitors, Class X1/Y1, up to 500 VAC, 10–4,700 pF. Y5P/Y5U/Y5V certified to Annex I grade IIIB (85 °C / 85% RH).

- **Safety class**: X1 / Y1 (IEC 60384-14)
- **Rated voltage**: Up to 500 VAC · 1,500 VDC (Y5P/Y5U/Y5V)

UL, VDE, ENEC, CQC [View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/cd-y1/)

CE

### [CE Series Safety Certified Disc Ceramic Capacitors (Class X1/Y2)](https://www.songtian-ste.com/en/products/ceramic-capacitors/ce-y2/)

Leaded disc ceramic safety capacitors, Class X1/Y2 to IEC 60384-14. X1 up to 440 VAC, Y2 up to 300 VAC, 100–10,000 pF.

- **Safety class**: X1 / Y2 (IEC 60384-14)
- **Rated voltage**: X1 440 VAC · Y2 300 VAC · 1,500 VDC (Annex H)

UL, VDE, ENEC, CQC [View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/ce-y2/)

HV / SV

### [HV/SV Series Medium & High Voltage Disc Ceramic Capacitors](https://www.songtian-ste.com/en/products/ceramic-capacitors/hv-sv/)

Disc ceramic capacitors for medium- and high-voltage DC circuits. Rated 500 VDC–15 kVDC, 100 pF–100,000 pF.

- **Rated voltage**: 500 VDC–15 kVDC
- **Capacitance**: 100 pF–100,000 pF

[View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/hv-sv/)

CY-A AEC-Q200

### [Automotive CY Series Safety Certified Ceramic Capacitors (Class X1/Y1, AEC-Q200)](https://www.songtian-ste.com/en/products/ceramic-capacitors/automotive-cy-y1/)

Automotive radial ceramic safety capacitors, Class X1 760 VAC / Y1 500 VAC, 100–4,700 pF. AEC-Q200 qualified part numbers available.

- **Safety class**: X1 760 VAC / Y1 500 VAC (IEC 60384-14)
- **Automotive qualification**: AEC-Q200 qualified part numbers available

CQC, VDE, ENEC, UL [View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/automotive-cy-y1/)

CE-A AEC-Q200 _Datasheet on request_

### [Automotive CE Series Safety Certified Ceramic Capacitors (Class X1/Y2, AEC-Q200)](https://www.songtian-ste.com/en/products/ceramic-capacitors/automotive-ce-y2/)

Automotive radial ceramic safety capacitors, Class X1 440 VAC / Y2 300 VAC, 100–10,000 pF. AEC-Q200 qualified part numbers available.

- **Safety class**: X1 440 VAC / Y2 300 VAC (IEC 60384-14)
- **Automotive qualification**: AEC-Q200 qualified part numbers available

CQC, VDE, ENEC, IECEE CB, UL [View specifications](https://www.songtian-ste.com/en/products/ceramic-capacitors/automotive-ce-y2/)

MPX/X2

### [MPX/X2 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class X2)](https://www.songtian-ste.com/en/products/film-capacitors/mpx-x2/)

Boxed metallized polypropylene film capacitors for across-the-line EMI suppression, Class X2. Rated 275–350 VAC, 1 nF–10 µF.

- **Safety class**: X2, across-the-line
- **Rated voltage**: 275 / 305 / 310 / 330 / 350 VAC

cRUus, VDE, ENEC, CQC [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mpx-x2/)

MPK/X1

### [MPK/X1 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class X1)](https://www.songtian-ste.com/en/products/film-capacitors/mpk-x1/)

Boxed metallized polypropylene film capacitors for across-the-line EMI suppression, Class X1. Rated 330–530 VAC, 1 nF–1 µF.

- **Safety class**: X1, across-the-line
- **Rated voltage**: 330 / 440 / 480 / 500 / 530 VAC

UL, VDE, ENEC, CQC [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mpk-x1/)

MPY/Y2

### [MPY/Y2 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class Y2)](https://www.songtian-ste.com/en/products/film-capacitors/mpy-y2/)

Boxed metallized polypropylene film capacitors for line-to-earth EMI suppression, Class Y2. Rated 250–350 VAC, 1 nF–1.2 µF.

- **Safety class**: Y2, line-to-earth
- **Rated voltage**: 250 / 275 / 300 / 350 VAC

UL, VDE, ENEC, CQC [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mpy-y2/)

MPX/X2-THB _Datasheet on request_

### [MPX/X2-THB Series Metallized Polypropylene Film Interference Suppression Capacitors (Class X2, THB)](https://www.songtian-ste.com/en/products/film-capacitors/mpx-x2-thb/)

Boxed metallized polypropylene film capacitors for across-the-line EMI suppression in humid environments, Class X2. Rated 275–350 VAC, 1 nF–10 µF.

- **Safety class**: X2, across-the-line
- **THB test**: 85 °C / 85% RH · 240 VAC · 500 h

CQC, VDE, ENEC, cRUus, KTL, KC [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mpx-x2-thb/)

MPK/X1-THB _Datasheet on request_

### [MPK/X1-THB Series Metallized Polypropylene Film Interference Suppression Capacitors (Class X1, THB)](https://www.songtian-ste.com/en/products/film-capacitors/mpk-x1-thb/)

Boxed metallized polypropylene film capacitors for across-the-line EMI suppression in humid environments, Class X1. Rated 330–530 VAC, 1 nF–1 µF.

- **Safety class**: X1, across-the-line
- **THB test**: 85 °C / 85% RH · 240 VAC · 500 h

CQC, VDE, ENEC, IECEE CB, UL [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mpk-x1-thb/)

MPY/Y2-THB _Datasheet on request_

### [MPY/Y2-THB Series Metallized Polypropylene Film Interference Suppression Capacitors (Class Y2, THB)](https://www.songtian-ste.com/en/products/film-capacitors/mpy-y2-thb/)

Boxed metallized polypropylene film capacitors for line-to-earth EMI suppression in humid environments, Class Y2. Rated 250–350 VAC, 1 nF–1.2 µF.

- **Safety class**: Y2, line-to-earth
- **THB test**: 85 °C / 85% RH · 240 VAC · 500 h

CQC, VDE, ENEC, IECEE CB, UL [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mpy-y2-thb/)

CBB23B-THB

### [CBB23B-THB Series Box-Type Metallized Polypropylene Film Capacitors (THB)](https://www.songtian-ste.com/en/products/film-capacitors/cbb23b-thb/)

Boxed metallized polypropylene film capacitors for high-voltage, high-frequency pulse circuits; moisture-resistant double-85 type (85 °C / 85% RH). 350 / 400 VAC, 2.2 nF–1 µF.

- **Humidity type**: 85 °C / 85% RH (double-85)
- **Rated voltage**: 350 / 400 VAC

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cbb23b-thb/)

MPB/CBB21B-THB _Datasheet on request_

### [MPB/CBB21B-THB Series Box-Type Metallized Polypropylene Film Capacitors (THB)](https://www.songtian-ste.com/en/products/film-capacitors/mpb-cbb21b-thb/)

Boxed metallized polypropylene film capacitors for high-frequency, AC, DC and pulse circuits; moisture-resistant double-85 type (85 °C / 85% RH). 100 / 220 / 275 VAC, 0.01–4.7 µF.

- **Humidity type**: 85 °C / 85% RH (double-85)
- **Rated voltage**: 100 / 220 / 275 VAC

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mpb-cbb21b-thb/)

MC3D _Datasheet on request_

### [MC3D Series Metallized Polypropylene DC-Link Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/mc3d-dc-link/)

Boxed metallized polypropylene DC-link film capacitors for DC-bus filtering and energy storage in converters. 500–1,200 VDC, 2–180 µF, −40 °C to +105 °C.

- **Rated voltage**: 500–1,200 VDC
- **Capacitance**: 2–180 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mc3d-dc-link/)

MPB/CBB21B

### [MPB/CBB21B Series Box-Type Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/mpb-cbb21b/)

General-purpose boxed metallized polypropylene film capacitors for DC, AC and pulse circuits. Rated 100–630 VDC, 0.01–10 µF.

- **Rated voltage**: 100 / 250 / 400 / 630 VDC
- **Capacitance**: 0.01–10 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mpb-cbb21b/)

CBB23B

### [CBB23B Series High-Voltage Box-Type Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb23b/)

Boxed internal-series metallized polypropylene film capacitors for high-voltage pulse circuits. 400–900 VAC / 1,000–2,000 VDC, 1–100 nF.

- **Rated voltage**: 400–900 VAC / 1,000–2,000 VDC
- **Capacitance**: 1–100 nF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cbb23b/)

PPSB/CBB81B

### [PPSB/CBB81B Series High-Voltage Box-Type Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb81b/)

High-voltage boxed metallized polypropylene film capacitors. 1,000–2,000 VDC, 0.01–0.047 µF.

- **Rated voltage**: 1,000–2,000 VDC
- **Capacitance**: 0.01–0.047 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cbb81b/)

MMKP82/CBB82B

### [MMKP82/CBB82B Series Double-Sided Metallized Polypropylene Film Capacitors (Box-Type)](https://www.songtian-ste.com/en/products/film-capacitors/cbb82b/)

Boxed double-sided metallized polypropylene film capacitors for high-voltage, high-frequency pulse circuits. 400–900 VAC / 1,000–2,000 VDC, 1–100 nF.

- **Rated voltage**: 400–900 VAC / 1,000–2,000 VDC
- **Capacitance**: 1–100 nF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cbb82b/)

PPN/CBB13

### [PPN/CBB13 Series Non-Inductive Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb13/)

Epoxy-dipped non-inductive polypropylene film/foil capacitors for high-pulse DC and electronic-ballast circuits. 400–1,000 VDC, 1–47 nF.

- **Rated voltage**: 400 / 630 / 1,000 VDC
- **Capacitance**: 1–47 nF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cbb13/)

MPP/CBB21

### [MPP/CBB21 Series Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb21/)

General-purpose epoxy-dipped metallized polypropylene film capacitors for DC, AC, high-frequency and pulse circuits. 100–630 VDC, 0.01–3.3 µF.

- **Rated voltage**: 100 / 250 / 400 / 630 VDC
- **Capacitance**: 0.01–3.3 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cbb21/)

CBB23

### [CBB23 Series Dipped Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb23-dipped/)

High-voltage dipped metallized polypropylene film capacitors. 1,000–1,600 VDC, 0.001–1.0 µF.

- **Rated voltage**: 1,000–1,600 VDC
- **Capacitance**: 0.001–1.0 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cbb23-dipped/)

PPS/CBB81

### [PPS/CBB81 Series High-Voltage Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb81/)

Epoxy-dipped high-voltage film capacitors with metallized polypropylene film and aluminum foil, for pulse and resonant circuits. 1,000–2,000 VDC, 1–33 nF.

- **Rated voltage**: 1,000 / 1,250 / 1,600 / 2,000 VDC
- **Capacitance**: 1–33 nF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cbb81/)

MEB/CL21B

### [MEB/CL21B Series Box-Type Metallized Polyester Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cl21b/)

Boxed metallized polyester (PET) film capacitors for general-purpose DC circuits up to +125 °C. 100–630 VDC, 10 nF–2.2 µF.

- **Rated voltage**: 100 / 250 / 400 / 630 VDC
- **Capacitance**: 10 nF–2.2 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cl21b/)

MEMB/CL23

### [MEMB/CL23 Series Miniature Metallized Polyester Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cl23/)

Miniature boxed metallized polyester (PET) film capacitors with 5 mm lead spacing for space-constrained DC circuits. 63–630 VDC, 1 nF–1 µF.

- **Rated voltage**: 63 / 100 / 250 / 400 / 630 VDC
- **Capacitance**: 1 nF–1 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cl23/)

MEF/CL21

### [MEF/CL21 Series Metallized Polyester Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cl21/)

General-purpose epoxy-dipped metallized polyester (PET) film capacitors for bypass, blocking, coupling and filtering. 100–630 VDC, 10 nF–10 µF.

- **Rated voltage**: 100 / 250 / 400 / 630 VDC
- **Capacitance**: 10 nF–10 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/cl21/)

MEF/CL21X _Datasheet on request_

### [MEF/CL21X Series Compact Metallized Polyester Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/mef-cl21x/)

Compact epoxy-dipped metallized polyester (PET) film capacitors for bypass, coupling, filtering and low-pulse circuits. 50–100 VDC, 1 nF–1 µF.

- **Rated voltage**: 50 / 63 / 100 VDC
- **Capacitance**: 1 nF–1 µF

[View specifications](https://www.songtian-ste.com/en/products/film-capacitors/mef-cl21x/)

MPX/X2-A AEC-Q200 _Datasheet on request_

### [Automotive MPX/X2 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class X2, AEC-Q200)](https://www.songtian-ste.com/en/products/film-capacitors/automotive-mpx-x2/)

Automotive boxed metallized polypropylene film capacitors, Class X2, for across-the-line EMI suppression. AEC-Q200 Rev E qualified part numbers available; 275–350 VAC; 1 nF–10 µF.

- **Safety class**: X2, across-the-line
- **Automotive qualification**: AEC-Q200 Rev E qualified part numbers available

cRUus, VDE, ENEC10, CQC, KC [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/automotive-mpx-x2/)

MPK/X1-A AEC-Q200 _Datasheet on request_

### [Automotive MPK/X1 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class X1, AEC-Q200)](https://www.songtian-ste.com/en/products/film-capacitors/automotive-mpk-x1/)

Automotive boxed metallized polypropylene film capacitors, Class X1, for across-the-line EMI suppression. AEC-Q200 Rev E qualified part numbers available; 330–530 VAC; 1 nF–1 µF.

- **Safety class**: X1, across-the-line
- **Automotive qualification**: AEC-Q200 Rev E qualified part numbers available

UL, VDE, ENEC, CQC, IECEE CB [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/automotive-mpk-x1/)

MPY/Y2-A AEC-Q200 _Datasheet on request_

### [Automotive MPY/Y2 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class Y2, AEC-Q200)](https://www.songtian-ste.com/en/products/film-capacitors/automotive-mpy-y2/)

Automotive boxed metallized polypropylene film capacitors, Class Y2, for line-to-earth EMI suppression. 250–350 VAC; 1 nF–1.2 µF; AEC-Q200 Rev E qualified part numbers available.

- **Safety class**: Y2, line-to-earth
- **Automotive qualification**: AEC-Q200 Rev E qualified part numbers available

UL, VDE, ENEC, CQC, IECEE CB [View specifications](https://www.songtian-ste.com/en/products/film-capacitors/automotive-mpy-y2/)

S

### [S Series Standard Radial-Leaded Metal-Oxide Varistors](https://www.songtian-ste.com/en/products/metal-oxide-varistors/s-standard/)

Radial-leaded zinc-oxide disc varistors, 05D–20D, for board-level transient suppression; varistor voltage 18–1,100 V, max. peak current 6,500 A (8/20 µs).

- **Nominal varistor voltage**: 18–1,100 V
- **Max. peak current (8/20 µs)**: 100–6,500 A

UL, CQC [View specifications](https://www.songtian-ste.com/en/products/metal-oxide-varistors/s-standard/)

Z

### [Z Series High-Energy Radial-Leaded Metal-Oxide Varistors](https://www.songtian-ste.com/en/products/metal-oxide-varistors/z-high-energy/)

High-energy radial-leaded zinc-oxide disc varistors, 05D–25D; varistor voltage 18–1,200 V, max. peak current 18 kA (8/20 µs), max. energy 750 J (10/1000 µs).

- **Nominal varistor voltage**: 18–1,200 V
- **Max. peak current (8/20 µs)**: 250–18,000 A

[View specifications](https://www.songtian-ste.com/en/products/metal-oxide-varistors/z-high-energy/)

Q _Datasheet on request_

### [Q Series 6kV/3kA Radial-Leaded Metal-Oxide Varistors](https://www.songtian-ste.com/en/products/metal-oxide-varistors/q-annex-q/)

Surge-type radial-leaded zinc-oxide varistors designated 6 kV / 3 kA, 10D–20D; varistor voltage 82–1,100 V, max. peak current 10 kA (8/20 µs).

- **Nominal varistor voltage**: 82–1,100 V
- **Max. peak current (8/20 µs)**: 3,500–10,000 A

[View specifications](https://www.songtian-ste.com/en/products/metal-oxide-varistors/q-annex-q/)

D

### [D Series Large-Disc High-Energy Metal-Oxide Varistors](https://www.songtian-ste.com/en/products/metal-oxide-varistors/d-high-energy/)

Large-disc high-energy metal-oxide varistors for surge protection in industrial and renewable-energy equipment. V1mA 200–1,800 V, disc size 32–53 mm.

- **Nominal varistor voltage V1mA**: 200–1,800 V
- **Disc size**: 32–53 mm

[View specifications](https://www.songtian-ste.com/en/products/metal-oxide-varistors/d-high-energy/)

R

### [R Series High-Energy Metal-Oxide Varistors](https://www.songtian-ste.com/en/products/metal-oxide-varistors/r-high-energy/)

High-energy metal-oxide varistors in medium and large disc sizes. V1mA 200–1,800 V, disc size 10–34 mm.

- **Nominal varistor voltage V1mA**: 200–1,800 V
- **Disc size**: 10–34 mm

[View specifications](https://www.songtian-ste.com/en/products/metal-oxide-varistors/r-high-energy/)

Q-A AEC-Q200

### [Automotive Q Series 6kV/3kA Radial-Leaded Metal-Oxide Varistors (AEC-Q200)](https://www.songtian-ste.com/en/products/metal-oxide-varistors/automotive-q-mov/)

Radial-leaded zinc-oxide varistors, 10D–20D, for automotive electronics, with AEC-Q200 qualified part numbers available; varistor voltage 82–1,000 V, max. peak current 10 kA (8/20 µs).

- **Automotive qualification**: AEC-Q200 qualified part numbers available
- **Nominal varistor voltage**: 82–1,000 V

CQC, UL, VDE [View specifications](https://www.songtian-ste.com/en/products/metal-oxide-varistors/automotive-q-mov/)

NTC-PS

### [PS Series NTC Inrush Current Limiters](https://www.songtian-ste.com/en/products/ntc-thermistors/power-ps/)

Silicone-coated radial power NTC thermistors for inrush current limiting. R25 0.7–400 Ω, max. steady-state current up to 12 A, operating temperature up to +200 °C depending on disc size.

- **Resistance R25**: 0.7–400 Ω
- **Max. steady-state current (25 °C)**: 0.1–12 A

UL, CQC, VDE [View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/power-ps/)

NTC-PP

### [PP Series NTC Inrush Current Limiters](https://www.songtian-ste.com/en/products/ntc-thermistors/power-pp/)

Phenolic-coated radial power NTC thermistors for inrush current limiting. R25 2.5–200 Ω, max. steady-state current up to 5 A, operating temperature up to +155 °C.

- **Resistance R25**: 2.5–200 Ω
- **Max. steady-state current (25 °C)**: 0.2–5.0 A

[View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/power-pp/)

MF51 Special

### [MF51 Special NTC Temperature Sensors for Electronic Thermometers](https://www.songtian-ste.com/en/products/ntc-thermistors/mf51-electronic-thermometer/)

MF51 NTC thermistors for temperature sensing in electronic clinical thermometers. Resistance 0.2–1,000 kΩ, B25/50 3,270–4,500 K.

- **Resistance**: 0.2–1,000 kΩ
- **B25/50 range**: 3,270–4,500 K

[View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/mf51-electronic-thermometer/)

MF51

### [MF51 Series Glass-Encapsulated NTC Thermistors](https://www.songtian-ste.com/en/products/ntc-thermistors/mf51/)

Glass-encapsulated leaded NTC thermistors for temperature measurement from −20 °C to +250 °C. Three sizes with 1.2–2.0 mm body diameter; thermal time constant 2–11 s in static air.

- **Operating temperature**: −20 °C to +250 °C
- **Thermal time constant, static air**: 2–11 s

[View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/mf51/)

MF52 _Datasheet on request_

### [MF52 Series Bead-Type Precision NTC Temperature Sensors](https://www.songtian-ste.com/en/products/ntc-thermistors/mf52/)

Leaded bead NTC thermistors for precision temperature measurement; R25 10–100 kΩ, B25/50 3,380 or 3,950 K, thermal time constant ≤7 s in static air.

- **R25**: 10 / 50 / 100 kΩ
- **B25/50**: 3,380 K / 3,950 K

[View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/mf52/)

MF58

### [MF58 Series Glass-Encapsulated NTC Thermistors (Diode Type)](https://www.songtian-ste.com/en/products/ntc-thermistors/mf58/)

Axial glass-encapsulated NTC thermistors for temperature sensing and compensation. Operating temperature −55 °C to +250 °C, R25 0.1 kΩ–3.78 MΩ.

- **R25**: 0.1 kΩ–3.78 MΩ
- **Operating temperature**: −55 °C to +250 °C

[View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/mf58/)

MF59

### [MF59 Series Glass-Encapsulated Chip NTC Thermistors](https://www.songtian-ste.com/en/products/ntc-thermistors/mf59/)

Leadless glass-encapsulated NTC thermistors for temperature sensing and compensation. Two body sizes, R25 0.1–100 kΩ, operating temperature −55 °C to +220 °C.

- **R25**: 0.1–100 kΩ
- **Operating temperature**: −55 °C to +220 °C

[View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/mf59/)

CWF

### [CWF Series Precision NTC Temperature Sensors](https://www.songtian-ste.com/en/products/ntc-thermistors/cwf/)

Configurable NTC temperature-sensor assemblies with probe, ring-terminal, pipe and overmolded constructions; R25 0.1 kΩ–1 MΩ, B25/50 3,100–4,500 K.

- **R25**: 0.1 kΩ–1 MΩ
- **B25/50**: 3,100–4,500 K (11 families)

[View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/cwf/)

MF11

### [MF11 Series NTC Thermistors for Temperature Compensation](https://www.songtian-ste.com/en/products/ntc-thermistors/mf11/)

Radial dipped NTC thermistors for circuit temperature compensation and general temperature measurement. R25 5 Ω–500 kΩ, B25/50 2,600–4,750 K, operating temperature −30 °C to +125 °C.

- **R25**: 5 Ω–500 kΩ
- **B25/50**: 2,600–4,750 K

[View specifications](https://www.songtian-ste.com/en/products/ntc-thermistors/mf11/)

MZ11

### [MZ11 Series PTC Thermistors for Overload Protection](https://www.songtian-ste.com/en/products/ptc-thermistors/mz11/)

Disc PTC thermistors for overload protection in AC circuits. Rated voltage 65–330 VAC, resistance 1–500 Ω, disc size Φ6–Φ24. List of STE part numbers on request.

- **Rated voltage**: 65–330 VAC
- **Resistance**: 1–500 Ω

[View specifications](https://www.songtian-ste.com/en/products/ptc-thermistors/mz11/)

MZ13

### [MZ13 Series PTC Thermistors for Overcurrent Protection](https://www.songtian-ste.com/en/products/ptc-thermistors/mz13/)

Disc PTC thermistors for overcurrent protection in high-voltage AC circuits. Rated voltage 260–700 VAC, resistance 10–1,000 Ω. List of STE part numbers on request.

- **Rated voltage**: 260–700 VAC
- **Resistance**: 10–1,000 Ω

[View specifications](https://www.songtian-ste.com/en/products/ptc-thermistors/mz13/)

MZB

### [MZB Series PTC Thermistors for Overload Protection](https://www.songtian-ste.com/en/products/ptc-thermistors/mzb/)

Disc PTC thermistors for overload protection in AC circuits. Rated voltage 65–330 VAC, resistance 8–500 Ω, disc size Φ6–Φ22. List of STE part numbers on request.

- **Rated voltage**: 65–330 VAC
- **Resistance**: 8–500 Ω

[View specifications](https://www.songtian-ste.com/en/products/ptc-thermistors/mzb/)
