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Contents

README

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5KP58A-B

Littelfuse · ESD And Surge Protection (TVS/ESD) · P600

5KP58A-B 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Littelfuse
Package P600
Category Circuit 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 (uni-directional, A suffix) VBR 64.4 71.2 V at IT 5 mA 2
Maximum clamping voltage VC 93.6 V at IPP 54.5 A 2
Maximum peak pulse current IPP 54.5 A 2
Maximum reverse leakage current IR 2 µA at VR 58 V 2
VBR voltage tolerance (A type, uni-directional) VBR -5 5 % Type code A: Uni-Directional (5% VBR Voltage Tolerance) 6
Maximum instantaneous forward voltage VF 3.5 V at 100A, unidirectional only; 5.0 V for stacked-die parts 1
Peak pulse power dissipation PPPM 5 kW 10/1000µs test waveform (Fig.2)(Note 1) 1
Steady state power dissipation PD 8 W on infinite heat sink at TL=75ºC 1
Peak forward surge current IFSM 400 A 8.3ms single half sine wave, unidirectional only (Note 2) 1
Operating junction and storage temperature range TJ, TSTG -55 175 °C 1
VBR temperature coefficient αT 0.1 % VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)) 1
Thermal resistance junction to lead RθJL 8 °C/W 1
Thermal resistance junction to ambient RθJA 40 °C/W 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: 5KP58A-B
  • 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 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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