component

SMAJ7.0CA-AT

Public Made by Adom

by adom

Brightking ESD 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.

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Ray Publish 0.1.0 f4e62a3 17d ago

SMAJ7.0CA-AT

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

SMAJ7.0CA-AT from Brightking, 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 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 Brightking
Package SMA(DO-214AC)
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
Reverse stand-off voltage (bidirectional SMAJ7.0CA-AT) VRWM 7 V 2
Breakdown voltage (bidirectional) VBR 7.78 8.6 V IT = 10 mA 2
Maximum clamping voltage (bidirectional) VC 12 V IPP = 33.3 A 2
Peak pulse current (bidirectional) IPP 33.3 A 2
Reverse leakage current (bidirectional) IR 200 µA @VRWM 2
Peak pulse power dissipation PPPM 400 W 10/1000µs waveform (Note 1, Note 2, Fig.1) 1
Steady state power dissipation PM(AV) 3.3 W TA=50℃ (Fig.5) 1
Peak forward surge current IFSM 40 A 8.3 ms single half sine-wave, superimposed on rated load (JEDEC Method) (Note 3, Fig.6) 1
Operating junction and storage temperature range TJ,TSTG -55 150 ℃ 1
Typical thermal resistance junction to lead RθJL 30 ℃/W 1
Typical thermal resistance junction to ambient RθJA 120 ℃/W 1

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 copper 2. Mounted on 5.0mm×5.0mm (0.03mm thick) copper pads to each terminal. 1

CAD (KiCad official)

  • Symbol: SMAJ7.0CA-AT
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: smaj7-0ca-at-etched.step / smaj7-0ca-at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smaj7-0ca-at.step / smaj7-0ca-at.glb are the bare package body.

Provenance

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

  • Datasheet: Brightking datasheet (6 pp, sha256 b89bf590a7f5b511, retrieved 2026-10-16, 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