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SMAJ28CAQ

Public Made by Adom

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Yangzhou Yangjie Elec Tech Electrostatic And Surge Protection (TVS/ESD), DO-214AC(SMA). 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 protectionsmaj28caqfactory-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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SMAJ28CAQ

Yangzhou Yangjie Elec Tech · Electrostatic And Surge Protection (TVS/ESD) · DO-214AC(SMA)

SMAJ28CAQ from Yangzhou Yangjie Elec Tech, in a DO-214AC(SMA). 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 Yangzhou Yangjie Elec Tech
Package DO-214AC(SMA)
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 VBR 31.1 34.4 V @ IT = 1 mA 2
Maximum reverse leakage IR 1 μA @ VRWM 2
Maximum reverse surge current IPP 8.8 A Surge waveform per Fig. 3, derated per Fig.2 2
Maximum clamping voltage Vc 45.4 V @ IPP = 8.8 A 2
Working peak reverse voltage VRWM 28 V 2
Breakdown test current IT 1 mA Pulse test: tp≤50ms 2
Peak power dissipation PPPM 400 W 10/1000us waveform, Ta=25℃ 1
Power dissipation PD 1.25 W Ta=25℃ 1
Operating junction temperature TJ -55 175 ℃ 1
Storage temperature range TSTG -55 175 ℃ 1
Thermal resistance junction to lead RθJL 30 ℃/W junction to lead 3
Thermal resistance junction to ambient RθJA 120 ℃/W junction to ambient 3

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
housing black 4. Body color: Black 3
contacts tin ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: SMAJ28CAQ
  • Footprint: Diode_SMD:D_SMA
  • 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
  • 3D model files: smaj28caq-etched.step / smaj28caq-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smaj28caq.step / smaj28caq.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (6 pp, sha256 2e9b6a2b6ca2e2c6, retrieved 2026-10-22, 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