component

SMBJ30CA-AT

Public Made by Adom

by adom

Brightking TVS, SMB(DO-214AA). 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 protectionsmbj30ca-atfactory-2.0.0extractor-text
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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 19d ago
viewers smbj30ca-at: viewers · Ray 19d ago
package.json Publish 0.1.0 · Ray 19d ago
page.json Set visibility: public · Ray 19d ago
README.md Publish 0.1.0 · Ray 19d ago
smbj30ca-at-etched.glb Publish 0.1.0 · Ray 19d ago
smbj30ca-at-etched.step smbj30ca-at: factory component page (tier=lcsc) · Ray 19d ago
smbj30ca-at-hero.glb smbj30ca-at: hero GLB from the etched model (keeps the MPN mark) · Ray 19d ago
smbj30ca-at-hero.overlay.json Publish 0.1.0 · Ray 19d ago
smbj30ca-at.glb Publish 0.1.0 · Ray 19d ago
smbj30ca-at.kicad_mod Publish 0.1.0 · Ray 19d ago
smbj30ca-at.kicad_sym smbj30ca-at: KiCad Device:Fuse symbol instead of a box (two-terminal passive) · Ray 12d ago
smbj30ca-at.lbr smbj30ca-at: KiCad Device:Fuse symbol instead of a box (two-terminal passive) · Ray 12d ago
smbj30ca-at.step Publish 0.1.0 · Ray 19d ago

SMBJ30CA-AT

Brightking · TVS · SMB(DO-214AA)

SMBJ30CA-AT from Brightking, in a SMB(DO-214AA). 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 Brightking
Package SMB(DO-214AA)
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
Peak pulse power dissipation PPPM 600 Watts 10/1000μs waveform (Note1, Note2, Fig.1) 1
Breakdown voltage VBR 33.3 36.8 V @IT 1 mA test current; SMBJ30CA-AT bidirectional 2
Maximum clamping voltage VC 48.4 V @IPP 12.4 A 2
Reverse leakage current IR 1 μA @VRWM 2
Steady state power dissipation PM(AV) 5 Watts TA=50℃ (Fig.5) 1
Peak forward surge current IFSM 100 Amps 8.3ms single half sine-wave, superimposed on rated load, (JEDEC Method) (Note3, Fig.6) 1
Operating junction and storage temperature range TJ,TSTG -55 150 ℃ 1
Reverse stand-off voltage VRWM 30 V 2
Typical thermal resistance junction to lead RθJL 20 ℃/W Typical 1
Typical thermal resistance junction to ambient RθJA 100 ℃/W Typical 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 tin ■ Terminal: Tin plated, solderable per MIL-STD-750, Method 2026 ■ Polarity: Color band denotes cathode except bi-directional models 1

CAD (KiCad official)

  • Symbol: SMBJ30CA-AT
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
  • 3D model files: smbj30ca-at-etched.step / smbj30ca-at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smbj30ca-at.step / smbj30ca-at.glb are the bare package body.

Provenance

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

  • Datasheet: Brightking datasheet (7 pp, sha256 c13b15817853a177, 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