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1.5KE39A

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Brightking ESD And Surge Protection (TVS/ESD), DO-201. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1.5KE39A

Brightking · ESD And Surge Protection (TVS/ESD) · DO-201

1.5KE39A from Brightking, in a DO-201. 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, the end marked by the color band on the unidirectional 1.5KE39A; connects to the positive side of the line being protected, with VRWM 33.30 V and VBR 37.10~41.00 V at 1 mA.
2 A passive Anode, the axial lead opposite the cathode band, normally tied to ground or the return side; clamps at VC 53.9 V at IPP 28.2 A (10/1000μs).

Key specifications

Parameter Value
Manufacturer Brightking
Package DO-201
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: 1.5KE39A
  • Footprint: Diode_THT:D_DO-201AD_P15.24mm_Horizontal
  • 3D model: DO-201 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Brightking datasheet (6 pp, sha256 7b91c7b69d1cce8b, retrieved 2026-10-13, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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