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KPTVS12VS1UR

KUU · TVS · SOD-123FL

KPTVS12VS1UR from KUU, 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 Cathode passive Cathode of the unidirectional TVS diode (marked side); the device is rated 200 W peak pulse power (10/1000us) with 12V stand-off voltage for this part.
2 Anode passive Anode of the unidirectional TVS diode, normally connected to ground/return in the protected circuit.

Key specifications

Parameter Value
Manufacturer KUU
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
Breakdown Voltage VBR 13.3 14.7 V @ IT = 1 mA 2
Reverse Stand-Off Voltage VRWM 12 V 2
Reverse Leakage Current IR 2.5 µA @ VRWM 2
Max. Clamp Voltage VC 19.9 V @ IPP = 10.1 A 2
Peak Pulse Current IPP 10.1 A 10/1000 us waveform 2
Test Current IT 1 mA 2
Peak Pulse Power Dissipation PPPM 200 W TA=25°C, 10/1000us 1
Peak Forward Surge Current IFSM 20 A 8.3ms single half sinewave (Note 3) 1
Steady State Power Dissipation PM(AV) 1 W Note 4, TL=75°C 1
Operating Junction and Storage Temperature Range TJ,TSTG -55 150 °C 1
Typical Thermal Resistance RθJA 180 °C/W 1

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 copper 2. Mounted on 5mm copper pads to each terminal 1

CAD (KiCad official)

  • Symbol: KPTVS12VS1UR
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: kptvs12vs1ur-etched.step / kptvs12vs1ur-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); kptvs12vs1ur.step / kptvs12vs1ur.glb are the bare package body.

Provenance

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

  • Datasheet: KUU datasheet (4 pp, sha256 35f43d29ec6b69ce, 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