STE Component Applications from PD Chargers to EV Charging Equipment

A November 2025 Chongdiantou roundup collects reported STE component applications across consumer charging, portable power, household appliances and charging equipment for electric mobility. It groups the equipment by capacitor, thermistor and varistor family, offering a route back to the publisher's underlying teardown reports.

All product and application categories are retained below. One identical HONOR X70 entry repeated within the original varistor list is shown once. Other repeat appearances across families remain because they identify different reported components. C denotes USB-C and A denotes USB-A; names without a confirmed English market equivalent use romanized source labels.

SMD Y1 capacitors

The source highlights the reduced mounting height of surface-mount Y capacitors, flame-retardant epoxy encapsulation and tape-and-reel packaging for automated assembly. It lists two charger reports:

1. BULL 45 W USB-C GaN charger
2. Motorola 90 W USB-C charger

X2 safety capacitors

Chongdiantou lists 275, 305, 310, 330 and 350 VAC options in its family overview. It describes across-line interference suppression and capacitive-dropper applications, and mentions flammability and environmental-compliance claims. These broad descriptions require confirmation against the selected variant. Its 16 equipment entries are:

1. GPD computer original 100 W GaN charger
2. Huawei Pura X original 66 W Bing Tang GaN charger
3. Unitree robot 302.4 W charger
4. Motorola 90 W USB-C charger
5. OPPO 100 W Xiaofangping GaN charger
6. Huntkey 240 W three-C GaN charger
7. Guozili 50 W dual-C GaN charger
8. Baseus 67 W three-C GaN charger with retractable cable
9. Baseus 67 W 10000 mAh power bank with display
10. REDMAGIC 65 W Deuterium Energy Cube mini
11. Huawei 100 W multiport charger
12. Aohi 65 W 2C1A modular GaN charger
13. Baseus 35 W 10000 mAh power bank with display
14. Xiaomi 45 W charger
15. Anker 70 W 3C1A GaN charger
16. HONOR Choice 66 W GaN charger

CD ceramic Y1 capacitors

The article describes ceramic dielectric construction with flame-retardant epoxy encapsulation and places CD capacitors in noise-suppression, coupling and bypass applications. The expanded list includes a robot charger, an AC charging station and an EV charging module:

1. Beishida K46 45 W USB-C GaN charger
2. Motorola 50 W 1A1C charger
3. ARRIS 5 W Ethernet adapter
4. StarCharge 7 kW AC charging station
5. Lenovo 45 W USB-C charger
6. Unitree robot 302.4 W charger
7. Beishida 45 W USB-C charger described as integrated fast charging
8. Xiaomi 15 Pro original 90 W GaN charger
9. Gospower 15 kW EV charging module
10. Beishida 65 W 2C1A GaN charger with display

CE ceramic Y2 capacitors

The historical CE overview gives a capacitance range of 100–10000 pF, operation from −40 to +125 °C and storage at 15–35 °C. It describes ceramic construction with flame-retardant epoxy encapsulation. This is a family summary, not a complete specification for the components in each product:

1. Dyson 53.4 W DC adapter
2. Ninebot 160 W lithium-battery e-bike charger described as meeting the new Chinese standard
3. Ninebot 1080 W e-bike charger described as meeting the new Chinese standard
4. Jackery 2 kWh portable power station
5. HONOR X70 original 80 W SuperCharge charger

CBB21B boxed film capacitors

CBB21B is described as a plastic-cased metallized polypropylene family for high-frequency, AC, DC and pulse applications. The report lists 0.01–10 µF and −40 to +105 °C operation, and notes self-healing behavior and high insulation resistance. The referenced equipment is:

1. EcoFlow RIVER 3 Plus 600 W 286 Wh portable power station

MF72 thermistors

The MF72 section discusses inrush-current limiting in power-conversion, switching and UPS equipment. It lists disc sizes from 5 to 20 mm without providing complete ordering codes for the cited equipment. Its three applications are:

1. Panasonic 1200 W hair dryer
2. BULL 20 W 2A1C GaN extension power strip
3. HONOR X70 original 80 W SuperCharge charger

Varistors

The source associates the varistor family with transient overvoltage protection and mentions CQC, VDE and UL approvals. Exact electrical limits, test conditions and approval coverage remain part-specific. The list below retains all distinct entries; the original repeats the HONOR X70 charger:

1. Huntkey EasyCombo 6S USB extension power strip
2. Xiaomi 120 W 3C1A GaN charger
3. Panasonic 1200 W hair dryer
4. Wofu Xiaohuatong high-speed hair dryer
5. IKEA SJÖSS 45 W dual-port charger
6. Mijia 1600 W high-speed hair dryer
7. HONOR 66 W SuperCharge charger
8. Huawei 100 W Bing Tang GaN charger
9. HONOR X70 original 80 W SuperCharge charger
10. Mijia GSHF04LF 1600 W high-speed hair dryer
11. EcoFlow RAPID Pro 320 W GaN desktop charging station

Scope of the report

The wider equipment mix is the main development in this roundup. It includes both small consumer chargers and a substantially larger EV charging module, but application names alone do not establish automotive qualification or the operating conditions of an individual component. Those questions require its exact identity and supporting documentation.

The source also repeats historical company, laboratory and management-system descriptions. They are background to the report rather than evidence that every listed part holds every mentioned approval. Likewise, a teardown establishes what the publisher reported in a particular product; it does not establish an exclusive supply agreement or show that one component caused the equipment's measured performance.

Further reading in the original includes STE surface-mount Y capacitors, SMD NTC thermistors and SMD varistors. For a design review, start with the relevant equipment report, confirm the markings and obtain the current component specification before comparing candidates.

Figures and tables from the original report

The following figures retain their original captions, markings and historical context. Transcribed tables present the values shown in the published images; product selection should use the specifications for the selected part.

All 49 rows are preserved, including the repeated HONOR X70 80 W charger in the varistor group. Component-family assignments are those of the original report.

Related reading cited by the original report

Chinese source titles are retained below. 拆解报告：公牛45W USB-C氮化镓快充充电器 拆解报告：摩托罗拉90W USB-C快充充电器 拆解报告：GPD电脑原装100W氮化镓充电器 拆解报告：华为Pura X原装66W冰糖全能氮化镓充电器 拆解报告：Unitree宇树智能机器人302.4W充电器 拆解报告：OPPO 100W小方瓶超级闪充氮化镓充电器 拆解报告：航嘉240W 3USB-C氮化镓充电器 拆解报告：果子理50W双USB-C氮化镓充电器 拆解报告：倍思67W 3USB-C伸缩线氮化镓充电器 拆解报告：倍思67W 10000mAh超能充数显移动电源 拆解报告：红魔65W氘锋能量块mini 拆解报告：华为100W全能充多口充电器 拆解报告：Aohi 65W 2C1A模块化氮化镓快充充电器 拆解报告：倍思35W 10000mAh超能充数显移动电源 拆解报告：MI小米45W快充充电器 拆解报告：安克70W 3C1A氮化镓快充充电器 拆解报告：荣耀亲选66W氮化镓充电器 拆解报告：倍仕达45W USB-C氮化镓快充充电器K46 拆解报告：摩托罗拉50W 1A1C快充充电器 拆解报告：ARRIS艾锐势5W以太网适配器 拆解报告：StarCharge星星充电7kW智能交流充电桩 拆解报告：联想45W USB-C快充充电器 拆解报告：倍仕达45W USB-C融合快充充电器 拆解报告：小米15 Pro标配90W氮化镓快充充电器 拆解报告：高斯宝电气15kW新能源汽车充电模块 拆解报告：倍仕达65W 2C1A氮化镓数显充电器 拆解报告：戴森53.4W DC电源适配器 拆解报告：九号160W电动自行车新国标锂电池充电器 拆解报告：九号1080W电动自行车新国标充电器 户外电源拆解报告：电小二极致安全2度电 拆解报告：荣耀X70原装80W超级快充充电器 拆解报告：正浩 睿 RIVER 3 Plus 600W 286Wh户外电源 拆解报告：松下电器1200W电吹风 拆解报告：公牛20W 2A1C氮化镓快充延长线插座 拆解报告：航嘉EasyCombo 6S USB延长线插座 拆解报告：小米120W 3C1A四口氮化镓充电器 拆解报告：喔夫小话筒高速吹风机 拆解报告：宜家 SJÖSS赫约斯45W双口快充充电器 拆解报告：米家1600W高速吹风机 拆解报告：荣耀66W超级快充充电器

Chinese source titles are retained below. 拆解报告：华为100W冰糖全能氮化镓充电器 拆解报告：米家1600W高速吹风机GSHF04LF 拆解报告：正浩RAPID Pro 320W氮化镓桌面超充站 小身材，大能量，STE松田电子推出贴片Y电容 松田推出扛雷击贴片NTC，助力快充开发更小、更薄 更薄、更轻量，松田推出SMD系列贴片压敏电阻