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SMDJ210A

Liown · ESD And Surge Protection (TVS/ESD) · SMC(DO-214AB)

SMDJ210A from Liown, in a SMC(DO-214AB). 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Liown
Package SMC(DO-214AB)
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 Min VB 237 V @IT=1mA 3
Breakdown Voltage Max VB 263 V @IT=1mA 3
Maximum Clamping Voltage VC 340 V @IPP=8.8A 3
Reverse Leakage IR 2 μA @VR=210.0V 3
Reverse Stand-Off Voltage VR 210 V 3
Peak Pulse Current IPP 8.8 A 10/1000μs waveform 3
Peak pulse power dissipation PPPM 3000 W 10/1000μs waveform (Note1, Note2, Fig.1), TA=25℃ 1
Steady state power dissipation PM(AV) 6.5 W TA=50℃ (Fig.5) 1
Maximum Instantaneous Forward Voltage VF 3.5 V at 100A, Unidirectional only 1
Peak forward surge current IFSM 300 A 8.3ms single half sine-wave superimposed on rated load, JEDEC Method (Note3, Fig.6) 1
Operating junction and storage temperature TJ, TSTG -55 150 ℃ 1
Thermal resistance junction to lead RθJL 15 ℃/W Typical 1
Thermal resistance junction to ambient RθJA 75 ℃/W Typical 1

CAD (KiCad official)

  • Symbol: SMDJ210A
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
  • 3D model files: smdj210a-etched.step / smdj210a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smdj210a.step / smdj210a.glb are the bare package body.

Provenance

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

  • Datasheet: Liown datasheet (6 pp, sha256 0918f6b52dbfa4fa, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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