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PSOT03C-LF-T7

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ProTek Devices ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PSOT03C-LF-T7

ProTek Devices · ESD And Surge Protection (TVS/ESD) · SOT-23

PSOT03C-LF-T7 from ProTek Devices, in a SOT-23. 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 One of the two TVS line terminals of the bidirectional PSOT03C, with per-line limits of 3.3 V rated stand-off, 4.0 V minimum breakdown at 1 mA, and 10.9 V clamping at 43 A (8/20 µs).
2 2 passive One of the two TVS line terminals of the bidirectional PSOT03C, with per-line limits of 3.3 V rated stand-off, 4.0 V minimum breakdown at 1 mA, and 10.9 V clamping at 43 A (8/20 µs).
3 3 passive Third SOT-23 terminal of the TVS array; the datasheet designates pin 3 as the cathode for unidirectional devices only, so its role on the bidirectional PSOT03C is not stated.

Key specifications

Parameter Value
Manufacturer ProTek Devices
Package SOT-23
Category Circuit Protection
Pins 3

CAD (KiCad official)

  • Symbol: PSOT03C-LF-T7
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: psot03c-lf-t7-etched.step / psot03c-lf-t7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); psot03c-lf-t7.step / psot03c-lf-t7.glb are the bare package body.

Provenance

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

  • Datasheet: ProTek Devices datasheet (8 pp, sha256 8dedaa93ff7eee7c, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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