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SMAJ180A

Public Made by Adom

by adom

Taisko Electrostatic And Surge Protection (TVS/ESD), SMA(DO-214AC). 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 protectionsmaj180afactory-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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SMAJ180A

Taisko · Electrostatic And Surge Protection (TVS/ESD) · SMA(DO-214AC)

SMAJ180A from Taisko, in a SMA(DO-214AC). 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 Taisko
Package SMA(DO-214AC)
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) VBR 201 V @ IT = 1 mA 4
Breakdown Voltage (max) VBR 222 V @ IT = 1 mA 4
Reverse Stand off Voltage VR 180 V 4
Maximum Clamping Voltage VC 292 V @ IPP = 1.4 A 4
Maximum Peak Pulse Current IPP 1.4 A 4
Maximum Reverse Leakage IR 1 μA @ VR = 180 V 4
Peak Pulse Power Dissipation PPPM 400 W (Note1)(Note2) 3
Steady State Power Dissipation PD 3.3 W (Note3) 3
Peak Forward Surge Current IFSM 40 A (Note4) 3
Maximum junction capacitance C 1500 PF 3
Operating Temperature Range TJ -55 150 ℃ 3
Storage Temperature Range TSTG -55 150 ℃ 3
Typical Thermal Resistance Junction to Ambient RθJA 120 ℃/W 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
contacts tin Lead Finish: Matte Tin Case Material: Epoxy Molding Compound. 1

CAD (KiCad official)

  • Symbol: SMAJ180A
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: smaj180a-etched.step / smaj180a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smaj180a.step / smaj180a.glb are the bare package body.

Provenance

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

  • Datasheet: Taisko datasheet (8 pp, sha256 cc5d1b0bcd0dca9a, 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