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CDSOT23-T03C

BOURNS · ESD And Surge Protection (TVS/ESD) · SOT-23

CDSOT23-T03C from BOURNS, in a SOT-23. 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 I/O 1 passive Bidirectional TVS channel terminal connected through one diode to common pin 3, protecting a line against ESD and surge with VWM 3.3 V (CDSOT23-T03C).
2 I/O 2 passive Bidirectional TVS channel terminal connected through the second diode to common pin 3, protecting a second line with VWM 3.3 V and 6.0 V min breakdown at 1 mA.
3 COMMON passive Common node of the two back-to-back TVS diodes in the bidirectional configuration, shared by pins 1 and 2 (typically referenced to ground).

Key specifications

Parameter Value
Manufacturer BOURNS
Package SOT-23
Category Circuit Protection
Pins 3

CAD (KiCad official)

  • Symbol: CDSOT23-T03C
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: cdsot23-t03c-etched.step / cdsot23-t03c-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cdsot23-t03c.step / cdsot23-t03c.glb are the bare package body.

Provenance

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

  • Datasheet: BOURNS datasheet (5 pp, sha256 789e9bb8e9af3179, retrieved 2026-10-22, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF