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MMBTRC102SS

Public Made by Adom

by adom

ST Semtech Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMBTRC102SS

ST Semtech · Digital Transistors · SOT-23

MMBTRC102SS from ST Semtech, 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 Input pin for MMBTRC102SS, with a built-in 10 kΩ bias resistor (R1); the input voltage is rated 30, -10 V in the absolute maximum ratings.
2 Emitter passive Common emitter terminal, with a built-in 10 kΩ bias resistor (R2) between base and emitter; the datasheet gives no separate voltage limit for this pin.
3 Collector output Output pin for MMBTRC102SS, rated for an output voltage of 50 V and an output current of 100 mA in the absolute maximum ratings.

Key specifications

Parameter Value
Manufacturer ST Semtech
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
DC Current Gain GI 50 at VO = 5 V, IO = 10 mA 2
Output Cutoff Current IO(OFF) 500 nA at VO = 50 V 2
Input Current II 0.88 mA at VI = 5 V 2
Output Voltage (ON) VO(ON) 0.3 V at IO = 10 mA, II = 0.5 mA 2
Input Voltage (ON) VI(ON) 2.4 V at VO = 0.2 V, IO = 5 mA 2
Input Voltage (OFF) VI(OFF) 1 V at VO = 5 V, IO = 0.1 mA; MMBTRC101SS~104SS 2
Output Voltage VO 50 V 1
Input Voltage VI -10 30 V MMBTRC102SS 1
Output Current IO 100 mA 1
Total Power Dissipation Ptot 200 mW 1
Junction Temperature Tj 150 °C 1
Storage Temperature Range Tstg -55 150 °C 1
Built-in bias resistor R1 R1 10 KΩ 1
Built-in bias resistor R2 R2 10 KΩ 1

CAD (KiCad official)

  • Symbol: MMBTRC102SS
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbtrc102ss-etched.step / mmbtrc102ss-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbtrc102ss.step / mmbtrc102ss.glb are the bare package body.

Provenance

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

  • Datasheet: ST Semtech datasheet (4 pp, sha256 cb1701617cb77361, 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