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BC33725TFR

Public Made by Adom

by adom

onsemi Bipolar Transistors - BJT, TO-92-3. Pinout cross-checked by two models against the datasheet, 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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BC33725TFR

onsemi · Bipolar Transistors - BJT · TO-92-3

BC33725TFR from onsemi, in a TO-92-3. 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 Collector passive Collector of the NPN transistor; VCEO is 45 V for BC337 and 25 V for BC338, and DC collector current is rated to 800 mA.
2 Base passive Base of the NPN transistor; emitter-base voltage is rated to 5 V maximum.
3 Emitter passive Emitter of the NPN transistor; it is the reference for the VCEO, VCES and VEBO ratings.

Key specifications

Parameter Value
Manufacturer onsemi
Package TO-92-3
Category Transistors
Pins 3

CAD (KiCad official)

  • Symbol: BC33725TFR
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92-3 (KiCad packages3D, STEP)
  • 3D model files: bc33725tfr-etched.step / bc33725tfr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc33725tfr.step / bc33725tfr.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (7 pp, sha256 dcd5f8a77672a01a, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-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