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BC846CLT1G

onsemi · Bipolar Transistors - BJT · SOT-23

BC846CLT1G from onsemi, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model). Symbol and footprint from KiCad-official CAD; the 3D model is generated from the datasheet's package dimensions.

Pinout

Pin Name Type Function
1 BASE passive Base of the NPN transistor; BC846 VEBO max is 6.0 Vdc and the DC current gain is specified for the C-grade at IC = 2.0 mA, VCE = 5.0 V.
2 EMITTER passive Emitter of the NPN transistor; V(BR)EBO is 6.0 V min for BC846 at IE = 1.0 µA.
3 COLLECTOR passive Collector of the NPN transistor; BC846 VCEO is 65 Vdc, VCBO is 80 Vdc, and continuous IC is 100 mAdc max.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOT-23
Category Triode/MOS Tube/Transistor
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
Collector-Emitter Breakdown Voltage V(BR)CEO 65 V IC = 10 mA, BC846 2
Collector-Emitter Breakdown Voltage V(BR)CES 80 V IC = 10 A, VEB = 0, BC846 2
Collector-Base Breakdown Voltage V(BR)CBO 80 V IC = 10 A, BC846 2
Emitter-Base Breakdown Voltage V(BR)EBO 6 V IE = 1.0 A, BC846 2
Collector Cutoff Current ICBO 15 nA VCB = 30 V 2
Collector Cutoff Current ICBO 5 µA VCB = 30 V, TA = 150°C 2
DC Current Gain hFE 420 520 800 IC = 2.0 mA, VCE = 5.0 V, BC846C 2
DC Current Gain hFE 270 IC = 10 A, VCE = 5.0 V, BC846C 2
Collector-Emitter Saturation Voltage VCE(sat) 0.25 V IC = 10 mA, IB = 0.5 mA 2
Collector-Emitter Saturation Voltage VCE(sat) 0.6 V IC = 100 mA, IB = 5.0 mA 2
Base-Emitter Voltage VBE(on) 580 660 700 mV IC = 2.0 mA, VCE = 5.0 V 2
Base-Emitter Voltage VBE(on) 770 mV IC = 10 mA, VCE = 5.0 V 2
Current-Gain Bandwidth Product fT 100 MHz IC = 10 mA, VCE = 5.0 Vdc, f = 100 MHz 2
Output Capacitance Cobo 4.5 pF VCB = 10 V, f = 1.0 MHz 2
Noise Figure NF 10 dB IC = 0.2 mA, VCE = 5.0 Vdc, RS = 2.0 k, f = 1.0 kHz, BW = 200 Hz 2
Base-Emitter Saturation Voltage VBE(sat) 0.7 V IC = 10 mA, IB = 0.5 mA 2
Base-Emitter Saturation Voltage VBE(sat) 0.9 V IC = 100 mA, IB = 5.0 mA 2
Collector-Emitter Voltage VCEO 65 Vdc BC846 1
Collector-Base Voltage VCBO 80 Vdc BC846 1
Emitter-Base Voltage VEBO 6 Vdc BC846 1
Collector Current - Continuous IC 100 mAdc 1
Total Device Dissipation FR-5 Board PD 225 mW TA = 25°C, FR-5 board (Note 1) 1
Derate above 25°C FR-5 PD 1.8 mW/°C FR-5 board (Note 1) 1
Thermal Resistance, Junction-to-Ambient (FR-5) RθJA 556 °C/W Note 1 1
Total Device Dissipation Alumina Substrate PD 300 mW TA = 25°C, Alumina (Note 2) 1
Derate above 25°C Alumina PD 2.4 mW/°C Alumina substrate (Note 2) 1
Thermal Resistance, Junction-to-Ambient (Alumina) RθJA 417 °C/W Note 2 1
Junction and Storage Temperature Range TJ, Tstg -55 150 °C 1

CAD (land: KiCad; 3D: generated from the datasheet)

  • Symbol: BC846CLT1G
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23, generated on the KiCad land (body 1.3 x 2.9 mm, terminals on the pads, 1.0 mm tall, datasheet A, nominal). KiCad's stock model for this land is taller than the datasheet allows, so the model is generated from the datasheet drawing; the dimensions come from the datasheet drawing where it was read and are defaults otherwise (see provenance.model_3d_generated), not the manufacturer's CAD (STEP)
  • 3D model files: bc846clt1g-etched.step / bc846clt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc846clt1g.step / bc846clt1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (14 pp, sha256 7da404bacd9f268c, retrieved 2026-11-13, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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: land: KiCad official libraries (CC-BY-SA 4.0); 3D: generated from the datasheet's package dimensions (provenance.model_3d_generated).

Datasheet PDF