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SMCJ48CAH

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Jiangsu JieJie Microelectronics TVS, SMC. 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 protectionsmcj48cahfactory-2.0.0extractor-text

Verified SMCJ48CAH

by Ray · last 2 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

2 Nov 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: SMCJ48CAH · SMC · 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: lcsc C5138043, digikey 1801-SMCJ48CAHTR-ND, mouser 652-SMCJ48CA-H
  • ✓family: D_SMC
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-rcrth0tp/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ smcj48cah.kicad_sym✓ smcj48cah.kicad_mod✓ smcj48cah.step
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3D Model

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Symbol & Footprint

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PCB Footprint

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Datasheet

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Contents

README

markdown

SMCJ48CAH

Jiangsu JieJie Microelectronics · TVS · SMC

SMCJ48CAH from Jiangsu JieJie Microelectronics, in a SMC. 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 Jiangsu JieJie Microelectronics
Package SMC
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 53.3 58.9 V IT = 1 mA 3
Reverse leakage current IR 1 μA at VR 3
Clamping voltage VC 77.4 V at IPP = 19.4 A, 10/1000μs 3
Peak pulse current IPP 19.4 A 10/1000μs waveform 3
Stand-off voltage VR 48 V 3
Peak pulse power dissipation PPP 1500 W 10/1000μs waveform 1
Steady state power dissipation PM(AV) 6.5 W TL = 75℃ 1
Maximum instantaneous forward voltage VF 5 V at 100A for unidirectional 1
Peak forward surge current IFSM 200 A 8.3ms single half sine wave (Note 1) 1
Operating junction and storage temperature range TJ/TSTG -55 150 ℃ 1
Thermal resistance junction to lead RθJL 15 ℃/W typical 1
Thermal resistance junction to ambient RθJA 75 ℃/W typical 1

CAD (KiCad official)

  • Symbol: SMCJ48CAH
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Jiangsu JieJie Microelectronics datasheet (7 pp, sha256 9a4cc90653ab8fe1, retrieved 2026-11-02, 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