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MMST3904-TP

Public Made by Adom

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MCC Micro Commercial Components Bipolar (BJT), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMST3904-TP

MCC Micro Commercial Components · Bipolar (BJT) · SOT-323

MMST3904-TP from MCC Micro Commercial Components, 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 NPN transistor; emitter-base voltage VEBO max 6 V.
2 E passive Emitter of the NPN transistor; VEBO 6 V max relative to base.
3 C passive Collector of the NPN transistor; VCEO 40 V, VCBO 60 V, IC max 200 mA.

Key specifications

Parameter Value
Manufacturer MCC Micro Commercial Components
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 Current IC 200 mA 1
Collector Power Dissipation PC 200 mW Note (1): valid provided that terminals are kept at ambient temperature 1
Collector-Emitter Voltage VCEO 40 V 1
Emitter-Base Voltage VEBO 6 V 1
Collector-Base Voltage VCBO 60 V 1
Operating Junction Temperature Range Tj -55 150 ℃ 1
Storage Temperature Range Tstg -55 150 ℃ 1
Collector-Emitter Breakdown Voltage V(BR)CEO 40 V IC=1mA, IB=0 2
Collector-Base Breakdown Voltage V(BR)CBO 60 V IC=10µA, IE=0 2
Emitter-Base Breakdown Voltage V(BR)EBO 5 V IE=10µA, IC=0 2
Base Cutoff Current IBL 50 nA VCE=30V, VEB(OFF)=3V 2
Collector Cutoff Current ICEX 50 nA VCE=30V, VEB(OFF)=3V 2
DC Current Gain hFE(1) 40 VCE=1V, IC=0.1mA 2
DC Current Gain hFE(2) 70 VCE=1V, IC=1mA 2
DC Current Gain hFE(3) 100 300 VCE=1V, IC=-10mA 2
DC Current Gain hFE(4) 60 VCE=1V, IC=50mA 2
DC Current Gain hFE(5) 30 VCE=1V, IC=500mA 2
Collector-Emitter Saturation Voltage VCE(sat) 0.25 V IC=10mA, IB=1mA 2
Collector-Emitter Saturation Voltage VCE(sat) 0.3 V IC=50mA, IB=5mA 2
Base-Emitter Saturation Voltage VBE(sat) 0.65 0.85 V IC=10mA, IB=1mA 2
Base-Emitter Saturation Voltage VBE(sat) 0.95 V IC=50mA, IB=5mA 2
Output Capacitance Ccbo 4 pF VCB=5V, IE=0, f=1MHz 2
Input Capacitance Cibo 8 pF VBE=0.5V, IC=0, f=1MHz 2
Noise Figure NF 5 dB VCE=5V, IC=0.1mA RS=1KΩ, f=1KHz 2
Transition Frequency fT 300 MHz VCE=20V, IC=10mA, f=100MHz 2
Input Impedance hie 1 10 KΩ 2
Voltage Feedback Ratio hre 0.5 8 x104 VCE=10V, IC=1mA, f=1KHz 2
Output Admittance hoe 1 40 uS 2
Small Signal Current Gain hfe 100 400 2

CAD (KiCad official)

  • Symbol: MMST3904-TP
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: mmst3904-tp-etched.step / mmst3904-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmst3904-tp.step / mmst3904-tp.glb are the bare package body.

Provenance

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

  • Datasheet: MCC Micro Commercial Components datasheet (4 pp, sha256 e470e75875e49a89, retrieved 2026-10-18, 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