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1.5SMC33CA-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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1.5SMC33CA-Q

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

1.5SMC33CA-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 (bidirectional 33CA) VBR 31.4 34.7 V @ IT (mA) = 1 2
Maximum Reverse Leakage IR 1 µA @ VRWM 2
Maximum Clamping Voltage (10/1000 µs) Vc 45.7 V @ Ipp (10/1000 µs) 2
Maximum Peak Pulse Current (10/1000 µs) Ipp 33.3 A (10/1000 µs) 2
Maximum Clamping Voltage (8/20 µs) Vc 59.4 V @ Ipp (8/20 µs) 2
Maximum Peak Pulse Current (8/20 µs) Ipp 166.5 A (8/20 µs) 2
Minimum Peak Pulse Power Dissipation PPK 1500 Watts TP = 1 ms (Note 1,2) 1
Operating Temperature Range TJ -55 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Breakdown Voltage Tolerance (CA suffix, bidirectional device) -5 5 % Suffix CA, 5 % tolerance bidirectional device 2
Working Peak Reverse Voltage VRWM 28.2 V 2

CAD (KiCad official)

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

Provenance

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

  • Datasheet: BOURNS datasheet (6 pp, sha256 866899042e59a741, 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