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5KP22CA-B

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Littelfuse ESD And Surge Protection (TVS/ESD), P600. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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5KP22CA-B

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

5KP22CA-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
VBR voltage tolerance (CA bi-directional, 5% type) VBR -5 5 % Bi-directional CA type per part-numbering table 6
Breakdown voltage (min/max) VBR 24 26.9 V @ IT = 5 mA 2
Maximum clamping voltage VC 35.5 V @ IPP 2
Maximum peak pulse current IPP 143.7 A 2
Maximum reverse leakage current IR 2 µA @ VR = 22.0 V 2
Peak pulse power dissipation PPPM 5 kW 10/1000μs test waveform (Fig.2)(Note 1) 1
Steady state power dissipation PD 8 W Infinite heat sink at TL=75ºC 1
Operating junction and storage temperature range TJ, TSTG -55 175 °C 1
Reverse stand-off voltage VR 22 V 2
Temperature coefficient of VBR 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: 5KP22CA-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