component

SMCJ18CA-LS2

Public Made by Adom

by adom

Brightking TVS, SMC(DO-214AB). 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 protectionsmcj18ca-ls2factory-2.0.0extractor-text

Verified SMCJ18CA-LS2

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier lcsc, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: SMCJ18CA-LS2 · SMC(DO-214AB) · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: unpolarised two-terminal part: pins 1 and 2 by library convention, no names to check
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: D_SMC
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-xwmmrgk_/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.2)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ smcj18ca-ls2.kicad_sym✓ smcj18ca-ls2.kicad_mod✓ smcj18ca-ls2.step
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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs smcj18ca-ls2: hero re-rendered with the chip (after the 10-30 render outage) · Ray 10d ago
viewers smcj18ca-ls2: viewers · Ray 10d ago
package.json Publish 0.1.0 · Ray 10d ago
page.json Set visibility: public · Ray 10d ago
README.md Publish 0.1.0 · Ray 10d ago
smcj18ca-ls2-hero.glb Publish 0.1.0 · Ray 10d ago
smcj18ca-ls2-hero.overlay.json Publish 0.1.0 · Ray 10d ago
smcj18ca-ls2.glb Publish 0.1.0 · Ray 10d ago
smcj18ca-ls2.kicad_mod Publish 0.1.0 · Ray 10d ago
smcj18ca-ls2.kicad_sym Publish 0.1.0 · Ray 10d ago
smcj18ca-ls2.lbr Publish 0.1.0 · Ray 10d ago
smcj18ca-ls2.step Publish 0.1.0 · Ray 10d ago
verification.json Verified: Published by the parts factory: tier lcsc, 2 pins · Ray 10d ago

SMCJ18CA-LS2

Brightking · TVS · SMC(DO-214AB)

SMCJ18CA-LS2 from Brightking, in a SMC(DO-214AB). 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 SMC(DO-214AB)
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 at 10/1000μs waveform PPPM 1500 W 10/1000μs waveform (Note1, Note2, Fig.1) 1
Peak pulse current at 10/1000μs waveform (SMCJ18CA row) IPPM 51.4 A 10/1000μs waveform (Note 1, Fig.3) 2
Steady state power dissipation PM(AV) 6.5 W TA=50℃ (Fig.5) 1
Peak forward surge current IFSM 200 A 8.3ms single half sine-wave, JEDEC method (Note3, Fig.6) 1
Operating junction and storage temperature range TJ,TSTG -55 150 ℃ 1
Typical thermal resistance junction to lead RθJL 15 ℃/W 1
Typical thermal resistance junction to ambient RθJA 75 ℃/W 1
Reverse stand-off voltage (SMCJ18CA) VRWM 18 V 2
Breakdown voltage (SMCJ18CA) VBR 20 22.1 V @IT 1 mA test current 2
Maximum clamping voltage (SMCJ18CA) VC 29.2 V @IPP 51.4 A 2
Reverse leakage current (SMCJ18CA) IR 1 μA @VRWM 18 V 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 ■ Terminal: Tin plated, solderable per MIL-STD-750, Method 2026 ■ Polarity: Color band denotes cathode except bi-directional models 1

CAD (KiCad official)

  • Symbol: SMCJ18CA-LS2
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Brightking datasheet (7 pp, sha256 f979b2f6924db8c6, retrieved 2026-10-30, 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