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1.5SMC33CA

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Yangzhou Yangjie Elec Tech Electrostatic And Surge Protection (TVS/ESD), DO-214AB(SMC). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1.5SMC33CA

Yangzhou Yangjie Elec Tech · Electrostatic And Surge Protection (TVS/ESD) · DO-214AB(SMC)

1.5SMC33CA 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 A1 passive First terminal of the bi-directional TVS (1.5SMC33CA), unmarked and interchangeable with the other terminal, with VRWM 28.2 V and 1500 W peak pulse power (10/1000 µs).
2 A2 passive Second terminal of the bi-directional TVS (1.5SMC33CA), unmarked and interchangeable with the other terminal, with VBR 31.35 to 34.65 V at 1 mA and maximum clamping voltage 45.7 V at 32.82 A.

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 31.35 34.65 V @ IT = 1 mA 2
Test Current IT 1 mA Pulse test tp≤50ms 2
Working Peak Reverse Voltage VRWM 28.2 V 2
Maximum Reverse Leakage IR 5 μA @ VRWM 2
Maximum Reverse Surge Current IPP 32.82 A 10/1000us waveform 2
Maximum Clamping Voltage VC 45.7 V @ IPP 2
Peak power dissipation PPPM 1500 W with a 10/1000us waveform, Ta=25℃ 1
Power dissipation PD 6.5 W on infinite heat sink at TL=75℃ 1
Operating junction and storage temperature range TJ,TSTG -55 150 ℃ 1
Thermal Resistance junction to ambient RθJ-A 75 ℃/W junction to ambient, mounted on minimum recommended pad layout 2
Thermal Resistance junction to lead RθJ-L 15 ℃/W junction to lead 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 ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: 1.5SMC33CA
  • Footprint: Diode_SMD:D_SMC
  • 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
  • 3D model files: 1-5smc33ca-etched.step / 1-5smc33ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1-5smc33ca.step / 1-5smc33ca.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (6 pp, sha256 d2a2153b855714f5, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (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