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MMDT3906-7-F

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Diodes Incorporated Bipolar (BJT), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMDT3906-7-F

Diodes Incorporated · Bipolar (BJT) · SOT-363

MMDT3906-7-F from Diodes Incorporated, in a SOT-363. 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 E2 passive Emitter of transistor 2 (PNP), with VEBO rating of -5V.
2 B2 passive Base of transistor 2 (PNP), with VEBO rating of -5V.
3 C1 passive Collector of transistor 1 (PNP), with VCEO of -40V and IC of -200mA maximum.
4 E1 passive Emitter of transistor 1 (PNP), with VEBO rating of -5V.
5 B1 passive Base of transistor 1 (PNP), with VEBO rating of -5V.
6 C2 passive Collector of transistor 2 (PNP), with VCEO of -40V and IC of -200mA maximum.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-363
Category Transistors/Thyristors
Pins 6

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 (hFE), IC=-100µA, VCE=-1V hFE 60 IC = -100µA, VCE = -1V 4
DC Current Gain (hFE), IC=-1.0mA, VCE=-1V hFE 80 IC = -1.0mA, VCE = -1V 4
DC Current Gain (hFE), IC=-10mA, VCE=-1V hFE 100 IC = -10mA, VCE = -1V 4
DC Current Gain (hFE), IC=-50mA, VCE=-1V hFE 60 IC = -50mA, VCE = -1V 4
DC Current Gain (hFE), IC=-100mA, VCE=-1V hFE 30 IC = -100mA, VCE = -1V 4
DC Current Gain (hFE) maximum hFE 300 IC = -100µA to -100mA, VCE = -1V 4
Collector-Emitter Saturation Voltage VCE(SAT) -0.25 V IC = -10mA, IB = -1mA 4
Collector-Emitter Saturation Voltage VCE(SAT) -0.4 V IC = -50mA, IB = -5mA 4
Base-Emitter Saturation Voltage VBE(SAT) -0.65 -0.85 V IC = -10mA, IB = -1mA 4
Base-Emitter Saturation Voltage VBE(SAT) -0.95 V IC = -50mA, IB = -5mA 4
Collector-Base Breakdown Voltage BVCBO -40 V IC = -10µA, IE = 0 4
Collector-Emitter Breakdown Voltage BVCEO -40 V IC = -1mA, IB = 0 4
Emitter-Base Breakdown Voltage BVEBO -5 V IE = -10µA, IC = 0 4
Collector Cut-Off Current ICEX -50 nA VCE = -30V, VEB(OFF) = -3.0V 4
Base Cut-Off Current IBL -50 nA VCE = -30V, VEB(OFF) = -3.0V 4
Output Capacitance COBO 4.5 pF VCB = -5.0V, f = 1.0MHz, IE = 0 4
Input Capacitance CIBO 10 pF VEB = -0.5V, f = 1.0MHz, IC = 0 4
Input Impedance hie 2 12 kΩ VCE = -10V, IC = -1.0mA, f = 1.0kHz 4
Voltage Feedback Ratio hre 0.1 10 x 10-4 4
Small Signal Current Gain hfe 100 400 4
Output Admittance hoe 3 60 µS 4
Current Gain-Bandwidth Product fT 250 MHz VCE = -20V, IC = -10mA, f = 100MHz 4
Noise Figure NF 4 dB VCE = -5.0V, IC = -100µA, RS = 1.0kΩ, f = 1.0kHz 4
Delay Time tD 35 ns VCC = -3.0V, IC = -10mA, IB1 = IB2 = -1.0mA 4
Rise Time tR 35 ns 4
Storage Time tS 200 ns 4
Fall Time tF 50 ns 4
Collector-Base Voltage VCBO -40 V 2
Collector-Emitter Voltage VCEO -40 V 2
Emitter-Base Voltage VEBO -5 V 2
Collector Current IC -200 mA 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Electrostatic Discharge - Human Body Model ESD HBM 4000 V JEDEC Class 3A 2
Electrostatic Discharge - Machine Model ESD MM 400 V JEDEC Class C 2
Power Dissipation PD 200 mW Note 5: minimum recommended pad layout FR-4 PCB, 1oz copper, still air, steady state 2
Thermal Resistance, Junction to Ambient RθJA 625 °C/W Note 5: minimum recommended pad layout FR-4 PCB, 1oz copper, still air, steady state 2

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: Finish, Matte Tin Finish; Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: MMDT3906-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: mmdt3906-7-f-etched.step / mmdt3906-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmdt3906-7-f.step / mmdt3906-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 e6381befcdc84af5, 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