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Contents

README

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P6KE440A

Littelfuse · TVS · DO-204AC(DO-15)

P6KE440A from Littelfuse, in a DO-204AC(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 1 passive Terminal 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer Littelfuse
Package DO-204AC(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
Reverse stand-off voltage VR 376 V 2
Breakdown voltage (min) VBR 418 V @ IT 1 mA 2
Breakdown voltage (max) VBR 462 V @ IT 1 mA 2
Maximum clamping voltage VC 602 V @ Ipp 1.4 A 2
Maximum peak pulse current Ipp 1.4 A 2
Maximum reverse leakage current IR 1 µA @ VR 2
Peak pulse power dissipation, stacked-die parts PPPM 800 W 10/1000 µs test waveform (Fig. 4), stacked-die parts (Note 4) 1
Maximum instantaneous forward voltage, stacked-die parts VF 5 V at 50 A, unidirectional only (Note 3) 1
Steady state power dissipation PD 5 W infinite heat sink at TL = 75 ºC 1
Peak forward surge current IFSM 100 A 8.3 ms single half sine wave, unidirectional only (Note 2) 1
Operating junction and storage temperature range TJ, TSTG -55 175 °C 1
Typical thermal resistance, junction to lead RθJL 20 °C/W 1
Typical thermal resistance, junction to ambient RθJA 75 °C/W 1
Breakdown voltage temperature coefficient αT 0.1 % VBR at TJ = VBR@25°C x (1+αT x (TJ - 25)) 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin • Matte tin lead-free plated • Halogen free and RoHS 1

CAD (KiCad official)

  • Symbol: P6KE440A
  • Footprint: Diode_THT:D_DO-15_P12.70mm_Horizontal
  • 3D model: DO-204AC(DO-15) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Littelfuse datasheet (6 pp, sha256 604a4427d40be72a, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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