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BC848BLT1G

onsemi · Bipolar (BJT) · SOT-23

BC848BLT1G from onsemi, 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 BASE input Base terminal of the NPN transistor; the device-level Emitter-Base Voltage for BC848 is VEBO 5.0 Vdc maximum.
2 EMITTER passive Emitter terminal of the NPN transistor; the device-level Collector Current is 100 mAdc continuous maximum for the BC848 series.
3 COLLECTOR passive Collector terminal of the NPN transistor; the device-level Collector-Emitter Voltage for BC848 is VCEO 30 Vdc maximum.

Key specifications

Parameter Value
Manufacturer onsemi
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
Collector-Emitter Breakdown Voltage (BC848A,B,C, BC849B,C) V(BR)CEO 30 V IC = 10 mA 2
Collector-Base Breakdown Voltage (BC848A,B,C, BC849B,C) V(BR)CBO 30 V IC = 10 A 2
Emitter-Base Breakdown Voltage (BC848A,B,C, BC849B,C) V(BR)EBO 5 V IE = 1.0 A 2
Collector Cutoff Current ICBO 15 nA VCB = 30 V 2
Collector Cutoff Current ICBO 5 A VCB = 30 V, TA = 150°C 2
DC Current Gain (BC848B) hFE 200 290 450 IC = 2.0 mA, VCE = 5.0 V 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 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
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 (BC848A,B,C) NF 10 dB IC = 0.2 mA, VCE = 5.0 Vdc, RS = 2.0 k, f = 1.0 kHz, BW = 200 Hz 2
Collector-Emitter Voltage (BC848) VCEO 30 Vdc 1
Collector-Base Voltage (BC848) VCBO 30 Vdc 1
Emitter-Base Voltage (BC848) VEBO 5 Vdc 1
Collector Current - Continuous IC 100 mAdc 1
Total Device Dissipation FR-5 Board PD 225 mW TA = 25°C 1
Total Device Dissipation Alumina Substrate PD 300 mW TA = 25°C 1
Thermal Resistance, Junction-to-Ambient (FR-5 Board) RJA 556 °C/W FR-5 board (Note 1) 1
Thermal Resistance, Junction-to-Ambient (Alumina Substrate) RJA 417 °C/W Alumina substrate (Note 2) 1
Junction and Storage Temperature Range TJ, Tstg -55 150 °C 1

CAD (KiCad official)

  • Symbol: BC848BLT1G
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bc848blt1g-etched.step / bc848blt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc848blt1g.step / bc848blt1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (13 pp, sha256 a01affdde0271e35, retrieved 2026-10-09, 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