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BC3134KT

Public Made by Adom

by adom

CBI MOSFETs, SOT-523. 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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BC3134KT

CBI · MOSFETs · SOT-523

BC3134KT from CBI, in a SOT-523. 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 control input; gate-source voltage is rated ±12V with threshold of 0.35V min to 1.1V max at ID=250µA.
2 SOURCE passive Source terminal of the N-channel MOSFET; continuous drain current is rated 0.75A (1.5A pulsed).
3 DRAIN passive Drain terminal of the N-channel MOSFET; drain-source voltage is rated 20V with RDS(on) of 380 mΩ max at VGS=4.5V.

Key specifications

Parameter Value
Manufacturer CBI
Package SOT-523
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 VDSS 20 V 1
Gate-Source voltage VGS -12 12 V 1
Drain Current-Continuous ID 0.75 A 1
Drain Current-Pulsed IDM 1.5 A note 1: repetitive rating, pulse width limited by maximum junction temperature 1
Power Dissipation PD 200 mW note 2: no heat sink at Ta=25℃ 1
Storage Temperature (as printed) Tj 150 ℃ 1
Junction Temperature (as printed) Tstg -55 150 ℃ -55 ~+150 as printed 1
Thermal Resistance from Junction to Ambient RθJA 625 ℃/W 1
Drain-Source Breakdown Voltage V(BR)DSS 20 V VGS = 0V, ID =250µA 2
Gate-Threshold Voltage VGS(th) 0.35 1.1 V VDS =VGS, ID =250µA 2
Gate-Body Leakage Current IGSS -20 20 µA VDS =0V, VGS =±10V 2
Zero Gate Voltage Drain Current IDSS 1 µA VDS =20V, VGS =0V 2
Drain-Source On-State Resistance RDS(on) 380 mΩ VGS =4.5V, ID =650mA 2
Drain-Source On-State Resistance RDS(on) 450 mΩ VGS =2.5V, ID =550mA 2
Drain-Source On-State Resistance RDS(on) 800 mΩ VGS =1.8V, ID =450mA 2
Drain-Source Diode Forward Voltage VSD 1.2 V IS=0.15A, VGS = 0V 2
Forward Transconductance gFS 1 S VDS =10V, ID =800mA 2
Turn-On Delay Time td(on) 6.7 ns VDD=10V,ID=500mA, VGS=4.5V,RG=10Ω 2
Rise Time tr 4.8 ns VDD=10V,ID=500mA, VGS=4.5V,RG=10Ω 2
Turn-Off Delay Time td(off) 17.3 ns VDD=10V,ID=500mA, VGS=4.5V,RG=10Ω 2
Fall Time tf 7.4 ns VDD=10V,ID=500mA, VGS=4.5V,RG=10Ω 2

CAD (KiCad official)

  • Symbol: BC3134KT
  • Footprint: Package_TO_SOT_SMD:SOT-523
  • 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: bc3134kt-etched.step / bc3134kt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc3134kt.step / bc3134kt.glb are the bare package body.

Provenance

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

  • Datasheet: CBI datasheet (4 pp, sha256 c84267043bc4096d, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+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