# Film capacitors

- Page: https://www.songtian-ste.com/en/products/film-capacitors/
- Chinese version: https://www.songtian-ste.com/zh/products/film-capacitors/

Damp-heat, capacitive-dropper, EMI suppression, polypropylene, polyester and DC-Link film capacitors.

- **series**: 24
- **part numbers**: 8,419

Product finder: [Film capacitors](https://www.songtian-ste.com/en/products/finder/?type=film)

[**2025 product catalog (PDF)**](https://www.songtian-ste.com/downloads/songtian-product-catalog-2025-en.pdf)

## Damp-heat capacitors (THB, 85 °C / 85 % RH)

5

352 part numbers

| Series | Key ranges | Approvals | Part numbers |
| --- | --- | --- | --- |
| [**MPX/X2-THB** 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/) | **Safety class**: X2, across-the-line; **THB test**: 85 °C / 85% RH · 240 VAC · 500 h | CQC, VDE, ENEC, cRUus, KTL, KC | 288 |
| [**MPK/X1-THB** 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/) | **Safety class**: X1, across-the-line; **THB test**: 85 °C / 85% RH · 240 VAC · 500 h | CQC, VDE, ENEC, IECEE CB, UL | 4 |
| [**MPY/Y2-THB** 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/) | **Safety class**: Y2, line-to-earth; **THB test**: 85 °C / 85% RH · 240 VAC · 500 h | CQC, VDE, ENEC, IECEE CB, UL | 8 |
| [**CBB23B-THB** CBB23B-THB Series Box-Type Metallized Polypropylene Film Capacitors (THB)](https://www.songtian-ste.com/en/products/film-capacitors/cbb23b-thb/) | **Humidity type**: 85 °C / 85% RH (double-85); **Rated voltage**: 350 / 400 VAC |   | On request |
| [**MPB/CBB21B-THB** MPB/CBB21B-THB Series Box-Type Metallized Polypropylene Film Capacitors (THB)](https://www.songtian-ste.com/en/products/film-capacitors/mpb-cbb21b-thb/) | **Humidity type**: 85 °C / 85% RH (double-85); **Rated voltage**: 100 / 220 / 275 VAC |   | 52 |

## Capacitive-dropper (RC) capacitors

2 variants

2 variants · 61 part numbers, listed in the tables of their parent series

|   |   |
| --- | --- |
| [**MPX/X2-RC**](https://www.songtian-ste.com/en/products/film-capacitors/mpx-x2/?variant=RC#parts) | Listed in MPX/X2 · 54 part numbers · [View parts ›](https://www.songtian-ste.com/en/products/film-capacitors/mpx-x2/?variant=RC#parts) |
| [**MPB/CBB21B-RC**](https://www.songtian-ste.com/en/products/film-capacitors/mpb-cbb21b/?variant=RC#parts) | Listed in MPB/CBB21B · 7 part numbers · [View parts ›](https://www.songtian-ste.com/en/products/film-capacitors/mpb-cbb21b/?variant=RC#parts) |

## EMI suppression capacitors (X1/X2/Y2)

6

3,293 part numbers

| Series | Key ranges | Approvals | Part numbers |
| --- | --- | --- | --- |
| [**MPX/X2** MPX/X2 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class X2)](https://www.songtian-ste.com/en/products/film-capacitors/mpx-x2/) | **Safety class**: X2, across-the-line; **Rated voltage**: 275 / 305 / 310 / 330 / 350 VAC | cRUus, VDE, ENEC, CQC | 2,714 |
| [**MPK/X1** MPK/X1 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class X1)](https://www.songtian-ste.com/en/products/film-capacitors/mpk-x1/) | **Safety class**: X1, across-the-line; **Rated voltage**: 330 / 440 / 480 / 500 / 530 VAC | UL, VDE, ENEC, CQC | 153 |
| [**MPY/Y2** MPY/Y2 Series Metallized Polypropylene Film Interference Suppression Capacitors (Class Y2)](https://www.songtian-ste.com/en/products/film-capacitors/mpy-y2/) | **Safety class**: Y2, line-to-earth; **Rated voltage**: 250 / 275 / 300 / 350 VAC | UL, VDE, ENEC, CQC | 113 |
| [**MPX/X2-A** 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/) | **Safety class**: X2, across-the-line; **Automotive qualification**: AEC-Q200 Rev E qualified part numbers available | cRUus, VDE, ENEC10, CQC, KC AEC-Q200 | 282 |
| [**MPK/X1-A** 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/) | **Safety class**: X1, across-the-line; **Automotive qualification**: AEC-Q200 Rev E qualified part numbers available | UL, VDE, ENEC, CQC, IECEE CB AEC-Q200 | 5 |
| [**MPY/Y2-A** 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/) | **Safety class**: Y2, line-to-earth; **Automotive qualification**: AEC-Q200 Rev E qualified part numbers available | UL, VDE, ENEC, CQC, IECEE CB AEC-Q200 | 26 |

## Polypropylene film capacitors

8

3,459 part numbers

| Series | Key ranges | Approvals | Part numbers |
| --- | --- | --- | --- |
| [**MPB/CBB21B** MPB/CBB21B Series Box-Type Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/mpb-cbb21b/) | **Rated voltage**: 100 / 250 / 400 / 630 VDC; **Capacitance**: 0.01–10 µF |   | 668 |
| [**CBB23B** CBB23B Series High-Voltage Box-Type Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb23b/) | **Rated voltage**: 400–900 VAC / 1,000–2,000 VDC; **Capacitance**: 1–100 nF |   | 65 |
| [**PPSB/CBB81B** PPSB/CBB81B Series High-Voltage Box-Type Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb81b/) | **Rated voltage**: 1,000–2,000 VDC; **Capacitance**: 0.01–0.047 µF |   | On request |
| [**MMKP82/CBB82B** MMKP82/CBB82B Series Double-Sided Metallized Polypropylene Film Capacitors (Box-Type)](https://www.songtian-ste.com/en/products/film-capacitors/cbb82b/) | **Rated voltage**: 400–900 VAC / 1,000–2,000 VDC; **Capacitance**: 1–100 nF |   | 287 |
| [**PPN/CBB13** PPN/CBB13 Series Non-Inductive Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb13/) | **Rated voltage**: 400 / 630 / 1,000 VDC; **Capacitance**: 1–47 nF |   | 74 |
| [**MPP/CBB21** MPP/CBB21 Series Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb21/) | **Rated voltage**: 100 / 250 / 400 / 630 VDC; **Capacitance**: 0.01–3.3 µF |   | 2,133 |
| [**CBB23** CBB23 Series Dipped Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb23-dipped/) | **Rated voltage**: 1,000–1,600 VDC; **Capacitance**: 0.001–1.0 µF |   | On request |
| [**PPS/CBB81** PPS/CBB81 Series High-Voltage Metallized Polypropylene Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cbb81/) | **Rated voltage**: 1,000 / 1,250 / 1,600 / 2,000 VDC; **Capacitance**: 1–33 nF |   | 232 |

## Metallized polyester (PET) film capacitors

4

1,295 part numbers

| Series | Key ranges | Approvals | Part numbers |
| --- | --- | --- | --- |
| [**MEB/CL21B** MEB/CL21B Series Box-Type Metallized Polyester Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cl21b/) | **Rated voltage**: 100 / 250 / 400 / 630 VDC; **Capacitance**: 10 nF–2.2 µF |   | 129 |
| [**MEMB/CL23** MEMB/CL23 Series Miniature Metallized Polyester Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cl23/) | **Rated voltage**: 63 / 100 / 250 / 400 / 630 VDC; **Capacitance**: 1 nF–1 µF |   | 112 |
| [**MEF/CL21** MEF/CL21 Series Metallized Polyester Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/cl21/) | **Rated voltage**: 100 / 250 / 400 / 630 VDC; **Capacitance**: 10 nF–10 µF |   | 788 |
| [**MEF/CL21X** MEF/CL21X Series Compact Metallized Polyester Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/mef-cl21x/) | **Rated voltage**: 50 / 63 / 100 VDC; **Capacitance**: 1 nF–1 µF |   | 266 |

## DC-Link capacitors

1

20 part numbers

| Series | Key ranges | Approvals | Part numbers |
| --- | --- | --- | --- |
| [**MC3D** MC3D Series Metallized Polypropylene DC-Link Film Capacitors](https://www.songtian-ste.com/en/products/film-capacitors/mc3d-dc-link/) | **Rated voltage**: 500–1,200 VDC; **Capacitance**: 2–180 µF |   | 20 |

Approval scope as stated on each certificate.
