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MMSTA56

Public Made by Adom

by adom

Yangzhou Yangjie Elec Tech Bipolar (BJT), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMSTA56

Yangzhou Yangjie Elec Tech · Bipolar (BJT) · SOT-323

MMSTA56 from Yangzhou Yangjie Elec Tech, in a SOT-323. 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 of the PNP transistor; VEBO max is -4 V.
2 E passive Emitter of the PNP transistor; VEBO max is -4 V relative to base.
3 C passive Collector of the PNP transistor; IC max -500 mA and VCEO -80 V for MMSTA56.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SOT-323
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-base breakdown voltage VCBO -80 V IC=-100μA,IE=0; MMSTA56 2
Collector-emitter breakdown voltage VCEO -80 V IC=-1mA,IB=0; MMSTA56 2
Emitter-base breakdown voltage VEBO -4 V IE=-100μA,IC=0 2
Collector-base cut-off current ICBO -0.1 μA VCB=-80V,IE=0; MMSTA56 2
Emitter-base cut-off current IEBO -0.1 uA VEB=-4V,IC=0 2
DC current gain hFE 100 VCE=-1V,IC=-10mA 2
Collector-emitter saturation voltage VCE(sat) -0.25 V IC=-100mA,IB=-10mA 2
Base-emitter saturation voltage VBE(sat) -1.2 V IC=-100mA,IB=-10mA 2
Transition frequency fT 100 MHz VCE=-20V,IC=-10mA,f=100MHz 2
Collector-base voltage VCBO -80 V Ta=25℃; MMSTA56 1
Collector-emitter voltage VCEO -80 V Ta=25℃; MMSTA56 1
Emitter-base voltage VEBO -4 V Ta=25℃ 1
Collector current IC -500 mA Ta=25℃ 1
Collector power dissipation PC 200 mW Ta=25℃ 1
Operation junction temperature Tj 150 ℃ 1
Storage temperature Tstg -55 150 ℃ 1

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
contacts tin ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: MMSTA56
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: mmsta56-etched.step / mmsta56-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmsta56.step / mmsta56.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 3ba05ccfc11db026, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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