# STE Capacitors and Protection Components in Published Teardowns

> Chongdiantou groups reported STE component use across chargers, adapters, power strips and portable power stations.

- Original report: July 11, 2024
- STE edition: October 2, 2026
- Category: Engineering insights
- Page: https://www.songtian-ste.com/en/news/ste-components-in-published-teardowns-2024/
- Chinese version: https://www.songtian-ste.com/zh/news/ste-components-in-published-teardowns-2024/

Chongdiantou's July 2024 roundup groups reported STE component use across chargers, adapters, power strips and portable power equipment. The inventory below preserves its component-family coverage. These are reported examples, not brand endorsements or evidence of current use in every production revision.

C denotes USB-C and A denotes USB-A. Names without a confirmed English market equivalent use romanized source labels. Repeats across families preserve different component categories.

## X2 safety capacitors

The source lists 275, 305, 310, 330 and 350 VAC options for across-line suppression and some capacitive-dropper applications. These historical descriptions require confirmation against the exact variant and current specification.

1. OnePlus 65 W Warp charger
2. Xiaomi 11 original 55 W GaN charger
3. Xinmaowei 65 W 2C1A GaN charger
4. SHARGE 90 W 2C1A GaN charger
5. Zikko 65 W 2C1A GaN charger
6. Xiaomi 11 Pro/Ultra original 67 W charger
7. BULL 20 W 2A1C cube power strip
8. HONOR 50 Pro original 100 W charger
9. Luxshare 65 W 1A1C GaN charger
10. Huawei 135 W USB-C charger
11. Huawei 200 W gaming-laptop adapter
12. WEOFUN 65 W 2C1A GaN charger
13. Huawei 66 W multiport charger
14. Xiaomi 67 W Xiaobuding GaN charger
15. Huntkey 100 W GaN charger with dual-certification coverage
16. Huawei 100 W SuperCharge charger
17. OPPO Find X5 Pro original 80 W charger
18. OPPO Find N original 33 W charger
19. vivo X Fold original 80 W dual-C GaN charger
20. Black Shark 120 W Xingliu GaN charger, China Aerospace edition
21. realme laptop original 65 W PD charger
22. realme GT Neo3 original 160 W GaN charger
23. Huawei 65 W USB-C SuperCharge charger
24. Moqi 65 W 1A1C GaN charger
25. Saixiaohu 65 W dual-C GaN charger
26. Oulutong 65 W USB-C adapter
27. Xiaomi 67 W 1A1C UFCS GaN charger
28. Meizu PANDAER 40 W dual-C GaN charger
29. mophie 67 W USB-C GaN charger
30. H3C 100 W 2C1A GaN charger
31. Xiaomi 13 Ultra original 90 W GaN charger
32. Huntkey W100 100 W GaN charger
33. Meizu PANDAER 80 W GaN charger
34. HONOR 135 W USB-C adapter
35. Moto S30 Pro Pantone limited-edition original 68 W GaN charger
36. ZMI 67 W 2C1A GaN charger
37. BULL 65 W 1A1C GaN charger
38. Juhai 65 W 2C1A GaN charger
39. BULL 140 W 3C1A GaN power strip
40. Huntkey W68 68 W GaN charger
41. Juhai 100 W 2A2C GaN charger
42. Xiaomi 140 W 2C1A GaN charger
43. BULL 67 W 3C1A GaN desktop charger
44. BULL Shanfeng series 140 W 3C1A GaN power strip
45. PHICOMM 60 W DC adapter
46. Xiaomi 130 W USB-C desktop adapter
47. BULL 240 W 3C1A GaN desktop charger
48. OPPO 67 W charger
49. vivo 45 W 1A1C GaN charger
50. Huawei 135 W USB-C charger
51. Meizu 20 Pro original 80 W charger
52. Nothing CMF 65 W 2C1A GaN charger
53. Huawei 80 W upright wireless charger
54. Xiaomi 120 W Xiaobuding GaN charger
55. SEGWAY 71 W electric-scooter charger

## CD ceramic Y capacitors

The article describes ceramic construction with flame-retardant epoxy encapsulation and 400/500 VAC options for noise suppression, coupling and bypass. Referenced reports:

1. Baseus 65 W dual-C GaN charger
2. JBL 100 W adapter
3. comma mini 20 W PD charger
4. THEONE 65 W 1A1C charger
5. Paifan 18 W 1A1C slim PD travel charger
6. Aishawate 65 W 2A1C GaN charger
7. Paifan 20 W Xiaodenglong PD travel charger
8. Lenovo YOGA 130 W dual-C charger with an LLC architecture
9. Lenovo thinkplus 135 W dual-C GaN charger
10. Lenovo 27 W PD charger
11. BULL 65 W 2C1A cube power strip
12. Beishida 20 W 1A1C charger with display
13. UGREEN 140 W 2C1A GaN charger
14. Razer Blade 280 W GaN adapter
15. BUFFALO 45 W 1A1C GaN charger
16. Beishida 20 W PD charger
17. Boyuan 24 W DC adapter
18. Xiaomi 13 Ultra original 90 W GaN charger
19. Unbranded 65 W 1A1C GaN charger
20. STACKED magnetic wireless charger
21. Tongli Precision 18 W DC adapter
22. Razer 65 W USB-C GaN charger
23. BULL 35 W dual-C GaN charger
24. BULL 30 W 2C2A charging box
25. Beishida K28 20 W dual-C charger
26. JOYROOM 25 W charger
27. PANFORE 130 W DC adapter
28. Beishida AD26 20 W 1A1C charger
29. NVC Electrical 20 W 1A1C Type 86 wall outlet
30. NVC Electrical N25 65 W 1A1C Type 86 wall outlet
31. Baseus 65 W 1A1C GaN charger
32. GEELY 2 kW portable DC charger
33. Loncin 1650 W 1024 Wh portable power station
34. SEGWAY 71 W electric-scooter charger
35. Loncin EHOM 600 W 512 Wh portable power station

## CL21X film capacitors

The report describes CL21X as an epoxy-encapsulated, metallized polyester family with a non-inductive construction and self-healing behavior. Its historical overview lists 0.01–1.0 µF and 50, 63 and 100 VDC options for bypass, coupling, DC blocking, filtering and low-pulse circuits.

1. BULL 5000 mAh magnetic wireless power bank
2. Loncin EHOM 600 W 512 Wh portable power station

## CBB21 film capacitors

The article describes metallized polypropylene construction, epoxy encapsulation and low-loss behavior for high-frequency, AC, DC and pulse circuits. It lists 0.01–3.3 µF and selected 100–630 VDC options. Its high-frequency and current-handling descriptions do not specify a complete operating envelope.

1. Anzhuowei 120 W DC adapter

## SMD Y capacitors

The report highlights a 2.5 mm surface-mount package and tape-and-reel supply for automated assembly, linking a product introduction, reference design and equipment teardown:

1. STE surface-mount Y capacitor introduction
2. Xinxian 2200 W bidirectional AC–DC inverter reference design for a 48 V battery system
3. Loncin 1650 W 1024 Wh portable power station

## MF72 thermistors

MF72 is presented as an inrush-current-limiting thermistor family for conversion, switching and UPS power supplies. The historical overview lists disc diameters from 5 to 20 mm. Referenced equipment comprises:

1. redow 45 W 2A2C charging tower
2. BULL 20 W 2A1C power strip
3. BULL 30 W 2A1C GaN power strip
4. PowerVision 95.6 W adapter
5. Lenovo ThinkBook 170 W 3C2A GaN desktop charger

## Varistors

The source describes a broad varistor range for transient-voltage protection and mentions CQC, VDE and UL certification. Approval and electrical limits must be checked for the selected part. Its referenced reports include:

1. Xiaomi 67 W charger
2. Harman InfinityLAB 100 W 2A2C GaN charger
3. Saixiaohu 65 W PD charger
4. EcoFlow DELTA Max 1600, EFD311, 2000 W portable power station
5. HyperJuice 245 W four-C GaN desktop charger
6. Boyuan 24 W DC adapter
7. Xiaomi 13 Ultra original 90 W GaN charger
8. HONOR 100 W SuperCharge charger
9. JBL 57 W DC adapter
10. GEELY 2 kW portable DC charger
11. Loncin 1650 W 1024 Wh portable power station
12. Belkin 200 W four-C GaN desktop charger

## Scope of the report

The roundup illustrates the breadth of equipment appearing in Chongdiantou's reporting. Component presence alone does not establish a measured improvement in efficiency, reliability or lifetime. Further reading covers SMD Y capacitors and another historical case roundup.

## 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.

[Illustration from the original report — source figure 1](https://www.songtian-ste.com/assets/news/chongdiantou/14e0b1d835c3d0fb0e51e7421dc140dae6510bc0b63ca81969cfb6b08adbfa8f.jpg)

Figure 1. Illustration from the original report. Image: Chongdiantou.

[Image source](https://static.chongdiantou.com/wp-content/uploads/2024/07/2024071103511494.jpeg)

[Illustration from the original report — source figure 2](https://www.songtian-ste.com/assets/news/chongdiantou/441ebd081e879634762d929f68ef049e2c7be31a8f59e38efffdf31acd906cfa.jpg)

Figure 2. Illustration from the original report. Image: Chongdiantou.

[Image source](https://static.chongdiantou.com/wp-content/uploads/2024/07/2024071103511924.jpeg)

[Illustration from the original report — source figure 3](https://www.songtian-ste.com/assets/news/chongdiantou/fa74beb664750e06f73b1bd9abca9ce12815bf9c04307609b3c87ea0b28b55b3.jpg)

Figure 3. Illustration from the original report. Image: Chongdiantou.

[Image source](https://static.chongdiantou.com/wp-content/uploads/2024/07/2024071103512525.jpeg)

[Illustration from the original report — source figure 4](https://www.songtian-ste.com/assets/news/chongdiantou/bd1aa15133f6e32249ab7916ea2be260aac3f1b8f43deba2354784ec4c825f75.jpg)

Figure 4. Illustration from the original report. Image: Chongdiantou.

[Image source](https://static.chongdiantou.com/wp-content/uploads/2024/07/2024071103513092.jpeg)

[Illustration from the original report — source figure 5](https://www.songtian-ste.com/assets/news/chongdiantou/cd5c7e56bb6a5c0aa07bab55d3e112a40527918b0836af36fc2fb55337910bf1.jpg)

Figure 5. Illustration from the original report. Image: Chongdiantou.

[Image source](https://static.chongdiantou.com/wp-content/uploads/2024/07/2024071103513491.jpeg)

[Illustration from the original report — source figure 6](https://www.songtian-ste.com/assets/news/chongdiantou/d9ec8640af73fa7b48cb43d4e669347259e6ce122f43908646680f4536044ed0.jpg)

Figure 6. Illustration from the original report. Image: Chongdiantou.

[Image source](https://static.chongdiantou.com/wp-content/uploads/2024/07/2024071103514476.jpeg)

[Illustration from the original report — source figure 7](https://www.songtian-ste.com/assets/news/chongdiantou/a626620d711011e64c3d3ca861b7e17c2ad4f40e26da23e166f8f236072c4424.jpg)

Figure 7. Illustration from the original report. Image: Chongdiantou.

[Image source](https://static.chongdiantou.com/wp-content/uploads/2024/07/2024071103514760.jpeg)

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Chinese source titles are retained below. [拆解报告：钜海100W 2A2C氮化镓充电器](https://mp.weixin.qq.com/s/k4TynaW3VTDbLHZNZFapyQ) [拆解报告：小米140W 2C1A氮化镓充电器](https://mp.weixin.qq.com/s/cYD2ntzMxqwP2B3zJCvy_Q) [拆解报告：公牛67W 3C1A氮化镓桌面充电器](https://mp.weixin.qq.com/s/aMzh1ja2VXyWQLzhqkpKRg) [拆解报告：公牛140W 3C1A山峰系列氮化镓快充插座](https://mp.weixin.qq.com/s/fbSl0AbF0KK5cZPCwXfNcg) [拆解报告：PHICOMM斐讯60W DC电源适配器](https://mp.weixin.qq.com/s/Dx1DjEW5qJbsHw5sNBrosg) [拆解报告：小米130W USB-C桌面式电源适配器](https://mp.weixin.qq.com/s/cIfl3eyqZk-yAYRIO7nVgg) [拆解报告：公牛240W 3C1A氮化镓桌面充电器](https://mp.weixin.qq.com/s/UkOCjMrLYxAPeqYEfIyJ_g) [拆解报告：OPPO 67W超级闪充充电器](https://mp.weixin.qq.com/s/FUlak5L9WUf4-Fz8hX1yjg) [拆解报告：vivo 45W 1A1C双口氮化镓充电器](https://mp.weixin.qq.com/s/wMyRvsTnRkwGufkEHNxRBQ) [拆解报告：华为135W USB-C快充充电器](https://mp.weixin.qq.com/s/6s3QIGmN9zSU98OtPZCUiw) [拆解报告：魅族20 Pro原装80W快充充电器](https://mp.weixin.qq.com/s/fhmHVMjODjjtYJTCdHRqOQ) [拆解报告：Nothing CMF 65W 2C1A氮化镓快充充电器](https://mp.weixin.qq.com/s/21B8ME-SVsGsGzx4sYB9Pg) [拆解报告：华为80W超级快充立式无线充电器](https://mp.weixin.qq.com/s/eh_leOe1IGAtZghBCP-vfg) [拆解报告：小米120W氮化镓小布丁充电器](https://mp.weixin.qq.com/s/lDUiSJXhDpVyg-sRN5k-dQ) [拆解报告：SEGWAY赛格威71W电动滑板车充电器](https://mp.weixin.qq.com/s/8wlHv1u3zurGziuukHy0bA) [拆解报告：倍思65W 2C氮化镓快充充电器](https://mp.weixin.qq.com/s/7J2JEPnxQaXKqULMoFjMOw) [拆解报告：JBL 100W电源适配器](https://mp.weixin.qq.com/s/XtiU0yTWpHMG6moCG95ZnQ) [拆解报告：comma迷你20W PD快充充电器](https://mp.weixin.qq.com/s/mIdUtkj3ShIqDneFZlM5rg) [拆解报告：THEONE 65W 1A1C快充充电器](https://mp.weixin.qq.com/s/h0WPhSEUCOrccWGsPutWhg) [拆解报告：派凡18W 1A1C超薄PD旅行充电器](https://mp.weixin.qq.com/s/7Nkst_TQCxOJJYOnjtUjGQ) [拆解报告：爱莎瓦特65W 2A1C氮化镓快充充电器](https://mp.weixin.qq.com/s/sps--GNGTVVUBI3c-UP9FQ) [拆解报告：派凡20W PD快充小灯笼旅行充电器](https://mp.weixin.qq.com/s/kyr-MN8Nrrp1kMR5T_OOKA) [内置4颗氮化镓，采用高效LLC电路架构，联想YOGA 130W双USB- C口快充深度拆解](https://mp.weixin.qq.com/s/9bOn1kc8MX07xInGGJfuew) [拆解报告：联想thinkplus 135W双C口氮化镓充电器](https://mp.weixin.qq.com/s/VxP3SkYe9L8Ghk539a3xoQ) [拆解报告：联想27W PD快充充电器](https://mp.weixin.qq.com/s/Bxh99c6XfeMZovtsiq9_tQ) [拆解报告：公牛65W 2C1A快充魔方插座](https://mp.weixin.qq.com/s/AqusyBmoRsnDb0gyeFssDg) [拆解报告：倍仕达20W 1A1C数显快充充电器](https://mp.weixin.qq.com/s/JilgXzaHfLhGeapGhE2NkQ) [拆解报告：绿联140W 2C1A氮化镓充电器](https://mp.weixin.qq.com/s/NH7Rxcu8OUuojxHvpx-oiQ) [拆解报告：雷蛇灵刃280W氮化镓电源适配器](https://mp.weixin.qq.com/s/S5q-OxDnYRxZAeebMvFR0w) [拆解报告：BUFFALO 45W 1A1C氮化镓快充充电器](https://mp.weixin.qq.com/s/RUstdP2tbQBYA7zoz2RDFQ) [拆解报告：倍仕达20W PD快充充电器](https://mp.weixin.qq.com/s/8aJ5sslD3M8xpmK2610Bzw) [拆解报告：博源24W DC电源适配器](https://mp.weixin.qq.com/s/ivCoSRXPVlZjbPA59VWtTA) [拆解报告：白牌65W 1A1C氮化镓快充充电器](https://mp.weixin.qq.com/s/WU0N5qCdkrn623512nNVZA) [拆解报告：STACKED磁吸无线充电充电器](https://mp.weixin.qq.com/s/PwN-jR9ezaXjglDKxhsmow) [拆解报告：通利精工18W DC电源适配器](https://mp.weixin.qq.com/s/pcXoNgAOoBP3owgG6GXRXw) [拆解报告：雷蛇65W USB-C氮化镓快充充电器](https://mp.weixin.qq.com/s/xsjMfavpQJSglZsKFy9vJw) [拆解报告：BULL公牛35W双USB-C氮化镓充电器](https://mp.weixin.qq.com/s/h-x7YMjrdR8fhBouADWJJg) [拆解报告：公牛30W 2C2A快充充电盒](https://mp.weixin.qq.com/s/tMKW4Lxvd9oinNERy3xkRQ) [拆解报告：倍仕达20W双USB-C快充充电器K28](https://mp.weixin.qq.com/s/UlfnlYP7PR1ts61Zs5NJjQ) [拆解报告：JOYROOM机乐堂25W快充充电器](https://mp.weixin.qq.com/s/t11cgObHdOE_ZvskITDO0A)

Chinese source titles are retained below. [拆解报告：PANFORE广数130W DC电源适配器](https://mp.weixin.qq.com/s/KwQKai6eA8K5UAIV-bpfQg) [拆解报告：倍仕达20W 1A1C快充充电器AD26](https://mp.weixin.qq.com/s/Corb0T2QEwAnahFWc6yrTA) [拆解报告：雷士电工20W 1A1C快充86面板](https://mp.weixin.qq.com/s/dJGuDv31AwMyArcHGkbrzw) [拆解报告：雷士电工65W 1A1C快充86面板N25](https://mp.weixin.qq.com/s/kP0Li2kMaBfyHGTe-7h7rQ) [拆解报告：倍思65W 1A1C氮化镓充电器](https://mp.weixin.qq.com/s/DUA4NaWkkskKEZv35BxB2Q) [拆解报告：GEELY吉利2kW便携式直流充电机](https://mp.weixin.qq.com/s/0cb0lBKv83TSu_Y6Q36tdw) [拆解报告：隆鑫1650W 1024Wh便携式户外电源](https://mp.weixin.qq.com/s/vFXHesBITAjVFxX9gPFfVQ) [拆解报告：隆鑫EHOM 600W 512Wh户外电源](https://mp.weixin.qq.com/s/sW_rPJOjXnh-O2tBEIXAQA) [拆解报告：公牛5000mAh磁吸无线快充移动电源](https://mp.weixin.qq.com/s/lG1gA6BY52tiwenbqHmmiw) [拆解报告：安卓微120W DC电源适配器](https://mp.weixin.qq.com/s/dOxTnv26B59ed9mv5rvw2Q) [小身材，大能量，STE松田电子推出贴片Y电容](https://mp.weixin.qq.com/s/8uLgMx7stxrEl5WIBo1YbA) [适用48V电池系统，芯仙方案2200W双向AC-DC逆变器参考设计解析](https://mp.weixin.qq.com/s/mSsH43e4jF0EkdNXjyl77Q) [拆解报告：redow热豆45W 2A2C充电塔](https://mp.weixin.qq.com/s/ED0sHi64qap37--LDOiJ2A) [拆解报告：BULL公牛20W 2A1C快充插座](https://mp.weixin.qq.com/s/d_5uiPSbsGW08rFBHHUDjA) [拆解报告：公牛30W 2A1C氮化镓快充插座](https://mp.weixin.qq.com/s/woY93DpuY5clMKgeM8nQPQ) [拆解报告：PowerVision臻迪95.6W电源适配器](https://mp.weixin.qq.com/s/Qg3Lkj270luSdEgt110igg) [拆解报告：联想ThinkBook 170W 3C2A氮化镓桌面充电器](https://mp.weixin.qq.com/s/Kc04UVG1jukxyS1d5IvV0Q) [拆解报告：小米新款67W快充充电器](https://mp.weixin.qq.com/s/weGFAC9Q7n88cQTxiW9jsw) [拆解报告：哈曼InfinityLAB 100W 2A2C氮化镓充电器](https://mp.weixin.qq.com/s/77E-Cyu2l9sKo3p2HcWNeA) [拆解报告：赛小虎65W PD快充充电器](https://mp.weixin.qq.com/s/Q6uQtINYlHfCIkx8VlLvpg) [拆解报告：EcoFlow正浩2000W户外电源 德Max 1600（EFD311）](https://mp.weixin.qq.com/s/It6DBCoKBC5aBbEGNLKYAA) [拆解报告：HyperJuice 245W 4USB-C口氮化镓桌面充电器](https://mp.weixin.qq.com/s/QtsGEWkkBB9tO3ZtY8FoOA) [拆解报告：HONOR荣耀100W超级快充充电器](https://mp.weixin.qq.com/s/MUzmbCriH1JLdOMDK-uY1A) [拆解报告：JBL 57W DC电源适配器](https://mp.weixin.qq.com/s/YvIHOeDw22gFfRLFKgqabA) [拆解报告：贝尔金200W四USB-C口氮化镓桌面充电器](https://mp.weixin.qq.com/s/Dja9heEer3FNKpJMPpqRqA) [小身材，大能量，STE松田电子推出贴片Y电容](https://mp.weixin.qq.com/s?__biz=MzIzNjEwOTA1MA==&mid=2650703669&idx=3&sn=d367c02ffd892b3f916e901c3f3889f0&chksm=f0d6caa0c7a143b64029a9e496aa8580b9971b75b5dad23bc81be7650b800ac5dbc3de50302b&token=1761918830&lang=zh_CN#rd) [多家知名品牌的共同选择，一文看懂松田历年拆解案例](https://mp.weixin.qq.com/s?__biz=MzIzNjEwOTA1MA==&mid=2650740600&idx=5&sn=42b168a9f0e21d3451673ef50ee51d11&chksm=f0d75aedc7a0d3fbf6c806ecb0258da97ed3fcab1d699161ee3e08ea4ad7cafb0299f07c6ac3&token=908390037&lang=zh_CN#rd)

## Source and attribution

[从小米到雷蛇，科技巨头信赖之选，松田元件历年拆解案例汇总](https://www.chongdiantou.com/archives/348036.html)

Original publisher: 充电头网 / Chongdiantou · Original author: 凌 · Originally published: 2024-07-11

STE edition: 2026-10-02

Adapted for STE under authorization from Chongdiantou. Photographs and historical tables are credited to the original report; the English text has been edited for clarity and technical context.

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