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5KP14A

Littelfuse · TVS · P600

5KP14A from Littelfuse, in a P600. 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 P600
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 (unidirectional, A suffix) VBR 15.6 17.2 V @ IT = 5 mA 2
Maximum clamping voltage VC 23.2 V @ IPP = 219.8 A 2
Maximum peak pulse current IPP 219.8 A 2
Maximum reverse leakage current IR 2 µA @ VR = 14.0 V 2
Reverse stand-off voltage VR 14 V 2
Peak pulse power dissipation PPPM 5 kW 10/1000 µs test waveform (Fig.2) (Note 1) 1
Steady state power dissipation PD 8 W infinite heat sink at TL = 75 ºC 1
Peak forward surge current IFSM 400 A 8.3 ms single half sine wave, unidirectional only (Note 2) 1
Maximum instantaneous forward voltage (single-die parts) VF 3.5 V at 100 A, unidirectional only (Note 3) 1
Maximum instantaneous forward voltage (stacked-die parts) VF 5 V at 100 A, unidirectional only (Note 3) 1
Operating junction and storage temperature range TJ, TSTG -55 175 °C 1
Thermal resistance junction to lead RθJL 8 °C/W typical 1
Thermal resistance junction to ambient RθJA 40 °C/W typical 1
Breakdown voltage temperature coefficient αT 0.1 % typical; VBR @ TJ = VBR@25°C × (1+αT × (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: 5KP14A
  • Footprint: Diode_THT:D_P600_R-6_P20.00mm_Horizontal
  • 3D model: P600 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Littelfuse datasheet (6 pp, sha256 a0c9c30e73a4d50e, retrieved 2026-10-30, 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