component

BC3400

Public Made by Adom

by adom

CBI MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BC3400

CBI · MOSFETs · SOT-23

BC3400 from CBI, 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 GATE input Gate terminal of the N-channel MOSFET, with gate-source voltage VGS rated at ±12 V.
2 SOURCE passive Source terminal of the N-channel MOSFET, the reference for VGS and for the source-drain diode forward voltage VSD (IS = 1 A, VGS = 0 V).
3 DRAIN passive Drain terminal of the N-channel MOSFET, rated for drain-source voltage VDS of 30 V and continuous drain current ID of 5.8 A.

Key specifications

Parameter Value
Manufacturer CBI
Package SOT-23
Category Transistors/Thyristors
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Drain-Source Voltage VDS 30 V 1
Gate-Source Voltage VGS -12 12 V 1
Continuous Drain Current ID 5.8 A 1
Drain Current-Pulsed IDM 30 A Repetitive rating, pulse width limited by maximum junction temperature (note 1) 1
Power Dissipation PD 350 mW 1
Thermal Resistance Junction to Ambient RθJA 357 ℃/W Surface mounted on FR4 board, t < 5 sec (note 2) 1
Junction Temperature TJ 150 ℃ 1
Storage Temperature TSTG -55 150 ℃ 1
Drain-source breakdown voltage V(BR)DSS 30 V VGS = 0V, ID =250µA 2
Gate-source leakage current IGSS -100 100 nA VGS =±12V, VDS = 0V 2
Zero gate voltage drain current IDSS 1 µA VDS =24V, VGS = 0V 2
Drain-source on-resistance RDS(on) 35 mΩ VGS =10V, ID =5.8A 2
Drain-source on-resistance RDS(on) 40 mΩ VGS =4.5V, ID =5A 2
Drain-source on-resistance RDS(on) 52 mΩ VGS =2.5V, ID=4A 2
Gate threshold voltage VGS(th) 0.7 1.4 V VDS =VGS, ID =250µA 2
Diode forward voltage VSD 1 V IS=1A, VGS=0V 2

CAD (KiCad official)

  • Symbol: BC3400
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bc3400-etched.step / bc3400-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc3400.step / bc3400.glb are the bare package body.

Provenance

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

  • Datasheet: CBI datasheet (4 pp, sha256 610cacea3b457478, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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