component

PSOT05LC

Public Made by Adom

by adom

TECH PUBLIC 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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PSOT05LC

TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOT-23

PSOT05LC from TECH PUBLIC, 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 Protected line terminal of one of the two unidirectional TVS channels; reverse working voltage is 5 V and the junction capacitance from Pin 1 to Pin 2 is 5 pF (VR = 0 V, f = 1 MHz).
2 2 passive Protected line terminal of the other unidirectional TVS channel; with Pin 1 it forms the 5 pF junction capacitance measurement (VR = 0 V, f = 1 MHz) and the 5 V reverse working voltage.
3 N.C. unconnected Labelled "(N.C.)" on the pin configuration drawing, so it is not connected internally and has no stated function.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT-23
Category Circuit Protection
Pins 3

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 Working Voltage VRWM 5 V 2
Breakdown Voltage VBR 6 V IT = 1mA 2
Reverse Leakage Current IR 1 uA VRWM = 5V 2
Clamping Voltage VC 9.8 V IPP = 1A (8 x 20µs pulse) 2
Clamping Voltage VC 11 V IPP = 5A (8 x 20µs pulse) 2
Peak Pulse Current IPP 17 A tp = 8/20µs 2
Junction Capacitance CJ 5 pF VR = 0V, f = 1MHz, Pin 1 to Pin 2 2
Peak Pulse Power (8/20µs) Ppk 300 W 8/20µs 2
ESD per IEC 61000-4-2 (Air) VESD -30 30 kV ESD per IEC 61000-4-2 (Air) 2
ESD per IEC 61000-4-2 (Contact) VESD -30 30 kV ESD per IEC 61000-4-2 (Contact) 2
Operating Temperature Range TJ -55 125 °C 2
Storage Temperature Range Tstg -55 150 °C 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 Lead Finish: Matte Tin TVS Diode Array 1

CAD (KiCad official)

  • Symbol: PSOT05LC
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: psot05lc-etched.step / psot05lc-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); psot05lc.step / psot05lc.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 76d73b32092f30f2, retrieved 2026-10-17, 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