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KTC3198

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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KTC3198

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

KTC3198 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 terminal of the NPN transistor, with continuous base current limited to 50 mA (IB) and emitter-to-base voltage limited to 5.0 V (VEBO).
2 Collector passive Collector terminal, rated for 60 V collector-to-base (VCBO), 50 V collector-to-emitter (VCEO), 150 mA continuous collector current (IC) and 625 mW collector power dissipation (PC).
3 Emitter passive Emitter terminal of the NPN transistor, rated for emitter-to-base voltage up to 5.0 V (VEBO).

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 Voltage VCBO 60 V Ta=25℃ 2
Collector to Emitter Voltage VCEO 50 V Ta=25℃ 2
Emitter to Base Voltage VEBO 5 V Ta=25℃ 2
Collector Current - Continuous IC 150 mA Ta=25℃ 2
Base Current - Continuous IB 50 mA Ta=25℃ 2
Collector Power Dissipation PC 625 mW Ta=25℃ 2
Junction Temperature Tj 150 ℃ 2
Storage Temperature Range Tstg -55 150 ℃ 2
Collector Cut-Off Current ICBO 0.1 μA VCB=60V IE=0 2
Emitter Cut-Off Current IEBO 0.1 μA VEB=5.0V IC=0 2
DC Current Gain hFE(1) hFE(1) 70 700 VCE=6.0V IC=2.0mA 2
DC Current Gain hFE(2) hFE(2) 25 100 VCE=6.0V IC=150mA 2
Collector to Emitter Saturation Voltage VCE(sat) 0.1 0.25 V IC=100mA IB=10mA 2
Base to Emitter Saturation Voltage VBE(sat) 1 V IC=100mA IB=10mA 2
Transition Frequency fT 80 MHz VCE=10V IC=1.0mA 2
Collector Capacitance Cob 2 3.5 pF VCB=10V IE=0 f=1.0MHz 2
Noise Figure NF 1 10 dB VCE=6.0V IC=0.1mA Rg=10KΩ f=1.0KHz 2
Collector-Base Time Constant rbb′ 50 Ω VCB=10V IC=1.0mA f=30MHz 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing PC Base Current - Continuous IB 50 mA Collector Power Dissipation PC 625 mW 2

CAD (KiCad official)

  • Symbol: KTC3198
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: ktc3198-etched.step / ktc3198-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ktc3198.step / ktc3198.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 0ae2e9ad043cd43b, retrieved 2026-10-21, 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