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P6KE550A-HF

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Comchip TVS, DO-15. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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P6KE550A-HF

Comchip · TVS · DO-15

P6KE550A-HF from Comchip, in a DO-15. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 K passive Cathode end of the unidirectional TVS, marked by the colorband, which connects to the positive side of the protected line (VRWM 470.3 V, breakdown 522.50 to 577.50 V at 1 mA, maximum clamping 759.0 V).
2 A passive Anode end of the unidirectional TVS, which is the end without the colorband and connects to the return side of the protected line (600 W peak pulse power at 10/1000 µs, VF 5.0 V maximum at 50 A).

Key specifications

Parameter Value
Manufacturer Comchip
Package DO-15
Category TVS/Fuse/Board Level Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Breakdown voltage VBR 522.5 577.5 V @ IT = 1 mA 3
Test current IT 1 mA VBR test current 3
Working peak reverse voltage VRWM 470.3 V 3
Maximum clamping voltage VC 759 V @IPP 3
Maximum surge current IPP 0.79 A 10/1000μs waveform 3
Maximum instantaneous forward voltage (unidirectional only) VF 5 V at 50 A, VBR>201V 1
Peak power dissipation PPP 600 W 10/1000μs waveform, TA=25°C 1
Power dissipation on infinite heatsink PD 5 W TL=75°C 1
Peak forward surge current IFSM 100 A 8.3ms single half sine-wave, unidirectional only 1
Operating junction and storage temperature range TJ, TSTG -55 150 °C 1
Breakdown voltage tolerance -5 5 % Suffix A denotes 5% tolerance 3

CAD (KiCad official)

  • Symbol: P6KE550A-HF
  • Footprint: Diode_THT:D_DO-15_P12.70mm_Horizontal
  • 3D model: DO-15 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Comchip datasheet (4 pp, sha256 a3a58f651b388bbe, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF