component

SMFJ28CA

Public Made by Adom

by adom

BORN TVS, SOD-123F. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componenttvs-fuse-board level protectionsmfj28cafactory-2.0.0extractor-text
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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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SMFJ28CA

BORN · TVS · SOD-123F

SMFJ28CA from BORN, in a SOD-123F. 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 BORN
Package SOD-123F
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
Breakdown Voltage (min) at IT VBR 31.1 V at IT = 1 mA 3
Breakdown Voltage (max) at IT VBR 34.4 V at IT = 1 mA 3
Maximum Clamping Voltage VC 45.4 V at Ipp = 4.4 A 3
Maximum Peak Pulse Current Ipp 4.4 A 3
Maximum Reverse Leakage Current IR 1 uA at VR = 28 V 3
Reverse Stand-Off Voltage VR 28 V Peak off-state voltage (parameter definition: maximum voltage that can be applied while maintaining off state) 3
Peak Pulse Power Dissipation PPPM 200 W 10/1000us waveform, non-repetitive (Note 1,2) 2
Steady State Power Dissipation PD 1 W Infinite heat sink at TA = 50◦C (Note 3) 2
Peak Forward Surge Current IFSM 20 A 8.3ms single half sine wave or equivalent square wave (Note 4) 2
Operating Junction Temperature Range TJ -55 150 ◦C 2
Storage Temperature Range TSTG -55 150 ◦C 2
Typical Thermal Resistance Junction to Lead RθJL 100 ◦C/W 2
Typical Thermal Resistance Junction to Ambient RθJA 220 ◦C/W 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 • Case Material: Epoxy Molding Compound 1

CAD (KiCad official)

  • Symbol: SMFJ28CA
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123F (KiCad packages3D, STEP)
  • 3D model files: smfj28ca-etched.step / smfj28ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smfj28ca.step / smfj28ca.glb are the bare package body.

Provenance

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

  • Datasheet: BORN datasheet (7 pp, sha256 dd8422b2bd24ae70, retrieved 2026-10-21, tier: lcsc)
  • 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