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Contents

README

markdown

SLD20-018

Littelfuse · TVS · P600

SLD20-018 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 VBR 22.2 24.5 V @ IT = 5.0 mA test current 2
Maximum Reverse Leakage IR 10 µA @ VR = 20 V 2
Maximum Peak Pulse Current Ipp 157.4 A 2
Maximum Clamping Voltage VC 32.4 V @ IPP = 157.4 A 2
Peak Pulse Power Dissipation PPPM 2200 W 10ms x 150ms test waveform 1
Peak Pulse Power Dissipation PPPM 5000 W 10μs x 1000μs test waveform 1
Steady State Power Dissipation on Infinite Heat Sink PD 8 W at TL=75ºC (Fig. 6) 1
Peak Forward Surge Current IFSM 600 A 8.3ms Single Half Sine Wave (Note 3) 1
Operating Junction and Storage Temperature Range TJ, TSTG -55 175 °C 1
Typical Thermal Resistance Junction to Lead RθJL 8 °C/W typical 1
Typical Thermal Resistance Junction to Ambient RθJA 40 °C/W typical 1
Breakdown Voltage Temperature Coefficient αT 0.1 % VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)); typical value 1
Reverse Stand-off Voltage VR 20 V 2

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: SLD20-018
  • 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 (5 pp, sha256 8c87363c8cbbc79d, 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