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STE Components in Charger and Power Supply Teardowns (2024)

Original report

STE edition

Adapted from Chongdiantou

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

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
Figure 1. Illustration from the original report. Image: Chongdiantou. Chongdiantou image source
Illustration from the original report — source figure 2
Figure 2. Illustration from the original report. Image: Chongdiantou. Chongdiantou image source
Illustration from the original report — source figure 3
Figure 3. Illustration from the original report. Image: Chongdiantou. Chongdiantou image source
Illustration from the original report — source figure 4
Figure 4. Illustration from the original report. Image: Chongdiantou. Chongdiantou image source
Illustration from the original report — source figure 5
Figure 5. Illustration from the original report. Image: Chongdiantou. Chongdiantou image source
Illustration from the original report — source figure 6
Figure 6. Illustration from the original report. Image: Chongdiantou. Chongdiantou image source
Illustration from the original report — source figure 7
Figure 7. Illustration from the original report. Image: Chongdiantou. Chongdiantou image source

Related reading cited by the original report

Further reading from the original report (Chinese).

Further reading from the original report (Chinese).

Further reading from the original report (Chinese).

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