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MMBT3904_R1_00101

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

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Contents

README

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MMBT3904_R1_00101

PANJIT International · Bipolar (BJT) · SOT-23

MMBT3904_R1_00101 from PANJIT International, 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 passive Base terminal of the NPN transistor; the datasheet's absolute maximum emitter-base voltage (VEBO) is 6 V.
2 Emitter passive Emitter terminal of the NPN transistor; the datasheet's absolute maximum emitter-base voltage (VEBO) is 6 V.
3 Collector passive Collector terminal of the NPN transistor; the datasheet's absolute maximum ratings are VCEO 40 V, VCBO 60 V and collector current IC 200 mA.

Key specifications

Parameter Value
Manufacturer PANJIT International
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 Voltage VCEO 40 V 1
Emitter-Base Voltage VEBO 6 V 1
Collector Current IC 200 mA 1
Total Device Dissipation PTOT 225 mW Note 1: transistor mounted on FR-5 board 1.0 x 0.75 x 0.062 in. 1
Emitter-Base Breakdown Voltage V(BR)EBO 6 V IE=10uA, IC=0 2
Base Cutoff Current IBL 50 nA VCE=30V, VEB=3V 2
Collector Cutoff Current ICEX 50 nA VCE=30V, VEB=3V 2
DC Current Gain hFE 100 300 IC=10mA, VCE=1.0V 2
Collector-Emitter Saturation Voltage VCE(sat) 0.2 V IC=10mA, IB=1.0mA 2
Collector-Emitter Saturation Voltage VCE(sat) 0.3 V IC=50mA, IB=5.0mA 2
Output Capacitance CCBO 4 pF VCB=5V, IE=0, f=1MHz 2
Input Capacitance CEBO 8 pF VEB=0.5V, IC=0, f=1MHz 2
Transition Frequency fT 300 MHz IC=10mAdc, VCE=20Vdc, f=100MHz 1
Storage Time ts 200 ns VCC=3V, IC=10mA, IB1=IB2=1.0mA 2
Fall Time tf 50 ns VCC=3V, IC=10mA, IB1=IB2=1.0mA 2

CAD (KiCad official)

  • Symbol: MMBT3904_R1_00101
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbt3904-r1-00101-etched.step / mmbt3904-r1-00101-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbt3904-r1-00101.step / mmbt3904-r1-00101.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (6 pp, sha256 6ff70fdc9e8e70a9, 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