component

SMCJ188A-TR

Public Made by Adom

by adom

STMicroelectronics TVS, SMC. 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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SMCJ188A-TR

STMicroelectronics · TVS · SMC

SMCJ188A-TR from STMicroelectronics, in a SMC. 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 STMicroelectronics
Package SMC
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
Stand-off voltage VRM 188 V 3
Reverse leakage current at VRM IRM 0.2 µA 25 °C, at VRM 3
Reverse leakage current at VRM IRM 1 µA 85 °C, at VRM 3
Breakdown voltage VBR 209 220 V at IR = 1 mA, Tamb = 25 °C 3
Clamping voltage 10/1000 µs VCL 328 V 10/1000 µs 3
Peak pulse current 10/1000 µs IPP 4.6 A 10/1000 µs 3
Dynamic resistance 10/1000 µs RD 21.1 Ω 10/1000 µs 3
Clamping voltage 8/20 µs VCL 388 V 8/20 µs 3
Peak pulse current 8/20 µs IPP 26 A 8/20 µs 3
Dynamic resistance 8/20 µs RD 6038 mΩ 8/20 µs 3
Voltage temperature coefficient αT 10.8 10-4/°C 3
Breakdown test current IR 1 mA VBR measured at IR 3
Peak pulse voltage, contact discharge VPP 30 kV IEC 61000-4-2, C = 150 pF, R = 330 Ω, Tamb = 25 °C 2
Peak pulse voltage, air discharge VPP 30 kV IEC 61000-4-2, C = 150 pF, R = 330 Ω, Tamb = 25 °C 2
Peak pulse power dissipation PPP 1500 W Tj initial = Tamb, Tamb = 25 °C 2
Storage temperature range Tstg -65 150 °C 2
Operating junction temperature range Tj -55 150 °C 2
Maximum lead temperature for soldering TL 260 °C during 10 s 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 finishing: matte tin plating Complies with the following standards 1

CAD (KiCad official)

  • Symbol: SMCJ188A-TR
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC (KiCad packages3D, STEP)
  • 3D model files: smcj188a-tr-etched.step / smcj188a-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smcj188a-tr.step / smcj188a-tr.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (12 pp, sha256 c130bf5265b0e135, retrieved 2026-10-23, tier: manufacturer)
  • 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