component

SMBJ40AQ-13-F

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Diodes Incorporated TVS, SMB. 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 protectionsmbj40aq-13-ffactory-2.0.0extractor-text

Verified SMBJ40AQ-13-F

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

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: SMBJ40AQ-13-F · SMB · 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 C3710502, digikey 31-SMBJ40AQ-13-FTR-ND, mouser 621-SMBJ40AQ-13-F
  • ✓family: D_SMB
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-n10v2hj4/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✓ smbj40aq-13-f.kicad_sym✓ smbj40aq-13-f.kicad_mod✓ smbj40aq-13-f.step
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Ray Publish 0.1.0 77b23ba 10d ago

SMBJ40AQ-13-F

Diodes Incorporated · TVS · SMB

SMBJ40AQ-13-F from Diodes Incorporated, in a SMB. 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 Diodes Incorporated
Package SMB
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 44.4 51.1 V IT = 1.0 mA 3
Max reverse leakage current IR 5 µA @ VRWM 3
Max clamping voltage VC 64.5 V @ IPP = 9.3 A, 10x1000µs waveform (Note 12) 3
Max peak pulse current IPP 9.3 A 10x1000µs waveform (Note 12) 3
Peak pulse power dissipation PPK 600 W Non-repetitive current pulse, derated above TA = +25°C (Note 6) 2
Peak power derating above +25°C PDER 4.8 W/°C Above TA = +25°C 2
Peak forward surge current IFSM 100 A 8.3 ms single half sine wave, superimposed on rated load (Notes 6, 7, 8) 2
Steady-state power dissipation PM(AV) 5 W @ TL = +75°C 2
Instantaneous forward voltage VF 3.5 V @ IPP = 35A (Notes 6, 7, 8) 2
Operating temperature range TJ -55 150 °C 2
Storage temperature range TSTG -55 175 °C 2
Reverse standoff voltage VRWM 40 V 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 • Terminals: Lead Free Plating (Matte Tin Finish). Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: SMBJ40AQ-13-F
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (6 pp, sha256 8fe2bbc08e205227, retrieved 2026-10-30, tier: manufacturer)
  • 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