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SODJ18A-SH

Public Made by Adom

by adom

LRC ESD And Surge Protection (TVS/ESD), SOD-123FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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SODJ18A-SH

LRC · ESD And Surge Protection (TVS/ESD) · SOD-123FL

SODJ18A-SH from LRC, in a SOD-123FL. 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 terminal of the unidirectional TVS, marked by the cathode band, connected to the protected I/O line (VRWM 18 V, VBR 20 V min to 22.1 V max at 1 mA, VC 29.2 V max).
2 A passive Anode terminal of the unidirectional TVS, on the side without the cathode band, normally connected to ground (200 W peak pulse power at 10/1000 µs).

Key specifications

Parameter Value
Manufacturer LRC
Package SOD-123FL
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
Reverse Stand-Off Voltage VRWM 18 V 2
Breakdown Voltage VBR 20 22.1 V @IT = 1 mA 2
Maximum Clamping Voltage VC 29.2 V @IPP = 6.8 A 2
Maximum Reverse Leakage Current IR 1 uA @VRWM 2
Peak Pulse Current IPPM 6.8 A 2
Peak Power Dissipation PPPM 200 Watts TA=25°C, TP=1ms (Note 1) 1
Steady State Power Dissipation PM(AV) 0.5 Watts TL=75°C (Note 2) 1
Peak Forward Surge Current IFSM 20 Amps 8.3ms single half sine-wave, unidirectional only (Note 3) 1
Operating Temperature Range TJ -55 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1

CAD (KiCad official)

  • Symbol: SODJ18A-SH
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: sodj18a-sh-etched.step / sodj18a-sh-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sodj18a-sh.step / sodj18a-sh.glb are the bare package body.

Provenance

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

  • Datasheet: LRC datasheet (10 pp, sha256 5be2d95bdfcdb9e2, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (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