component

2SC2120-Y

Public Made by Adom

by adom

Foshan Blue Rocket Elec Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SC2120-Y

Foshan Blue Rocket Elec · Bipolar (BJT) · TO-92

2SC2120-Y from Foshan Blue Rocket Elec, in a TO-92. 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 of the NPN transistor; the datasheet gives no separate pin-specific limit, and the emitter-to-base rating is VEBO 5.0 V.
2 Collector passive Collector of the NPN transistor, rated VCBO 35 V, VCEO 30 V, IC 800 mA continuous and PC 600 mW.
3 E passive Emitter of the NPN transistor, rated IE -800 mA continuous (magnitude 800 mA) with VEBO 5.0 V.

Key specifications

Parameter Value
Manufacturer Foshan Blue Rocket Elec
Package TO-92
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 to Base Breakdown Voltage VCBO 30 V IC=10mA IE=0 2
Collector Cut-Off Current ICBO 0.1 μA VCB=35V IE=0 2
Emitter Cut-Off Current IEBO 0.1 μA VEB=5.0V IC=0 2
DC Current Gain (Y grade) hFE(1) 160 320 VCE=1.0V IC=100mA 1
DC Current Gain hFE(2) 35 VCE=1.0V IC=700mA 2
Collector to Emitter Saturation Voltage VCE(sat) 0.5 V IC=500mA IB=20mA 2
Base to Emitter Voltage VBE 0.5 0.8 V VCE=1.0V IC=10mA 2
Collector to Base Voltage VCBO 35 V Ta=25℃ 2
Collector to Emitter Voltage VCEO 30 V Ta=25℃ 2
Emitter to Base Voltage VEBO 5 V Ta=25℃ 2
Collector Current - Continuous IC 800 mA Ta=25℃ 2
Emitter Current - Continuous IE -800 mA Ta=25℃ 2
Collector Power Dissipation PC 600 mW Ta=25℃ 2
Junction Temperature Tj 150 ℃ Ta=25℃ 2
Storage Temperature Range Tstg -55 150 ℃ Ta=25℃ 2
Transition Frequency fT 120 MHz VCE=5.0V IC=10mA 2
Collector Output Capacitance Cob 13 pF VCB=10V IE=0 f=1MHz 2

CAD (KiCad official)

  • Symbol: 2SC2120-Y
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: 2sc2120-y-etched.step / 2sc2120-y-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc2120-y.step / 2sc2120-y.glb are the bare package body.

Provenance

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

  • Datasheet: Foshan Blue Rocket Elec datasheet (6 pp, sha256 1f4b98a5cbbbeaa2, 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