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5.0SMDJ40CAQ

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by adom

Yangzhou Yangjie Elec Tech TVS, DO-214AB(SMC). 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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5.0SMDJ40CAQ

Yangzhou Yangjie Elec Tech · TVS · DO-214AB(SMC)

5.0SMDJ40CAQ from Yangzhou Yangjie Elec Tech, in a DO-214AB(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 Yangzhou Yangjie Elec Tech
Package DO-214AB(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 44.4 49.1 V @ IT = 1.0 mA, Ta=25℃ 2
Test current IT 1 mA Pulse test tp≤50ms 2
Maximum reverse leakage IR 5 μA @ VRWM 2
Working peak reverse voltage VRWM 40 V 2
Maximum reverse surge current IPP 77.5 A Surge waveform per Fig. 3 and derated per Fig.2 2
Maximum clamping voltage Vc 64.5 V @ IPP 2
Peak power dissipation PPPM 5000 W 10/1000us waveform 1
Power dissipation PD 6.5 W on infinite heat sink at TL=75℃ 1
Operating junction temperature TJ -55 175 ℃ 1
Storage temperature range TSTG -55 175 ℃ 1
Thermal resistance junction to ambient RθJ-A 75 ℃/W junction to ambient 2
Thermal resistance junction to lead RθJ-L 15 ℃/W junction to lead 2
Thermal resistance junction to case RθJ-C 13 ℃/W junction to case 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
housing black 4. Body color: Black 4
contacts tin ● Terminals: Matte tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: 5.0SMDJ40CAQ
  • Footprint: Diode_SMD:D_SMC
  • 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
  • 3D model files: 5-0smdj40caq-etched.step / 5-0smdj40caq-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 5-0smdj40caq.step / 5-0smdj40caq.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 8253fa2c70c65eb2, retrieved 2026-10-22, 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