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SMF13A-T13

Littelfuse · ESD And Surge Protection (TVS/ESD) · SOD-123FL

SMF13A-T13 from Littelfuse, 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 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 Littelfuse
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 (min/max, unidirectional) VBR 14.4 15.9 V @ IT = 1 mA 2
Maximum reverse leakage current IR 1 µA @ VR 2
Maximum peak pulse current Ipp 9.3 A 10*1000us 2
Maximum clamping voltage VC 21.5 V @ Ipp, 10*1000us 2
Reverse stand-off voltage VR 13 V 2
Peak pulse power dissipation PPPM 1000 W 8/20µs, TA=25°C (Note 1) 1
Peak pulse power dissipation PPPM 200 W 10/1000µs (Note 2) 1
Power dissipation on infinite heat sink PD 1 W TL=50ºC 1
Operating temperature range TJ -65 150 °C 1
Storage temperature range TSTG -65 175 °C 1
Thermal resistance junction-to-ambient RƟJA 220 °C/W 1
Thermal resistance junction-to-lead RƟJL 100 °C/W 1

CAD (KiCad official)

  • Symbol: SMF13A-T13
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: smf13a-t13-etched.step / smf13a-t13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smf13a-t13.step / smf13a-t13.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (6 pp, sha256 3a45fa80d044fa43, retrieved 2026-10-15, 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