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5.0SMDJ33CA-Q

Public Made by Adom

by adom

BOURNS ESD And Surge Protection (TVS/ESD), 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.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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5.0SMDJ33CA-Q

BOURNS · ESD And Surge Protection (TVS/ESD) · SMC(DO-214AB)

5.0SMDJ33CA-Q from BOURNS, 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer BOURNS
Package SMC(DO-214AB)
Category Circuit 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 (min) VBR 36.7 V @ IT = 1 mA 2
Breakdown Voltage (max) VBR 40.6 V @ IT = 1 mA 2
Max. Reverse Leakage IR 2 μA @ VRWM 2
Max. Clamping Voltage Vc 53.3 V @ Ipp, 10/1000 µs waveform 2
Max. Peak Pulse Current Ipp 93.9 A 10/1000 µs waveform 2
Max. Clamping Voltage Vc 69.3 V @ Ipp, 8/20 µs waveform 2
Max. Peak Pulse Current Ipp 704.3 A 8/20 µs waveform 2
Minimum Peak Pulse Power Dissipation PPK 5000 W Tp = 1 ms (Notes 1,2) 1
Peak Forward Surge Current IFSM 300 A 8.3 ms single half sine wave superimposed on rated load (JEDEC method) (Notes 3,4) 1
Steady State Power Dissipation PM(AV) 6.5 W @ TL = 50 °C 1
Operating Temperature Range TJ -55 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Reverse Standoff Voltage VRWM 33 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 copper 4. Mounted on 8.0 mm x 8.0 mm copper pad area to each terminal. 1

CAD (KiCad official)

  • Symbol: 5.0SMDJ33CA-Q
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
  • 3D model files: 5-0smdj33ca-q-etched.step / 5-0smdj33ca-q-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 5-0smdj33ca-q.step / 5-0smdj33ca-q.glb are the bare package body.

Provenance

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

  • Datasheet: BOURNS datasheet (6 pp, sha256 5f03b3e90115a9dc, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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