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MMBTA56G-AE3-R

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UTC Unisonic Tech Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMBTA56G-AE3-R

UTC Unisonic Tech · Bipolar (BJT) · SOT-23

MMBTA56G-AE3-R from UTC Unisonic Tech, 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 B input Base terminal of the PNP transistor (pin 1 of SOT-23 for the MMBTA56G-AE3-R, per the ordering table pin assignment).
2 E passive Emitter terminal of the PNP transistor (pin 2 of SOT-23 for the MMBTA56G-AE3-R, per the ordering table pin assignment).
3 C passive Collector terminal of the PNP transistor (pin 3 of SOT-23 for the MMBTA56G-AE3-R, per the ordering table pin assignment).

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
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 BVCEO -80 V IC= -1.0mA, IB=0 2
Emitter-Base Breakdown Voltage BVEBO -4 V IE= -100μA, IC=0 2
Collector Cutoff Current ICES -0.1 μA VCE= -60V, IB=0 2
DC Current Gain hFE 100 IC= -10mA, VCE= -1V 2
Collector-Emitter Saturation Voltage VCE(SAT) -0.25 V IC= -100mA, IB= -10mA 2
Base-Emitter on Voltage VBE(ON) -1.2 V IC= -100mA, VCE= -1V 2
Current Gain Bandwidth Product fT 100 MHz IC= -10mA, VCE= -2V, f=100MHz 2
Collector-Base Voltage VCBO -80 V 2
Collector-Emitter Voltage VCEO -80 V 2
Emitter-Base Voltage VEBO -4 V 2
Collector Current - Continuous IC -500 mA 2
Total Device Dissipation PD 350 mW Note 2: device mounted on FR-4=1.6×1.6×0.06 in. 2
Junction Temperature TJ 150 °C 2
Storage Temperature TSTG -55 150 °C 2
Thermal Resistance, Junction to Ambient θJA 357 °C/W 2

CAD (KiCad official)

  • Symbol: MMBTA56G-AE3-R
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbta56g-ae3-r-etched.step / mmbta56g-ae3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbta56g-ae3-r.step / mmbta56g-ae3-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC Unisonic Tech datasheet (5 pp, sha256 dc781e04ee13a249, 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