component
DMMT3906-7-F
Public Made by Adomby adom
Diodes Incorporated Bipolar (BJT), SOT-26. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownDMMT3906-7-F
Diodes Incorporated · Bipolar (BJT) · SOT-26
DMMT3906-7-F from Diodes Incorporated, in a SOT-26. 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 | E1 | passive | Emitter of PNP transistor 1 (pin 1 marked by the dot on the package diagram); VEBO rating is -5.0 V. |
| 2 | NC | unconnected | No internal connection. |
| 3 | E2 | passive | Emitter of PNP transistor 2; VEBO rating is -5.0 V. |
| 4 | C2 | passive | Collector of PNP transistor 2; VCEO is -40 V and continuous IC is -200 mA. |
| 5 | B1,2 | passive | Base pin shown as B1,2 in the diagram, joined to the bases of both PNP transistors. |
| 6 | C1 | passive | Collector of PNP transistor 1; VCEO is -40 V and continuous IC is -200 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-26 |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-Base Voltage | VCBO | -40 | V | 1 | |||
| Collector-Emitter Voltage | VCEO | -40 | V | 1 | |||
| Emitter-Base Voltage | VEBO | -5 | V | 1 | |||
| Collector Current - Continuous | IC | -200 | mA | 1 | |||
| Power Dissipation | Pd | 225 | mW | Note 2: FR5 PCB mounted | 1 | ||
| Thermal Resistance, Junction to Ambient | RθJA | 556 | °C/W | Note 2: FR5 PCB mounted | 1 | ||
| Operating and Storage Temperature Range | Tj, TSTG | -55 | 150 | °C | 1 | ||
| Collector-Base Breakdown Voltage | V(BR)CBO | -40 | V | IC = -10μA, IE = 0 | 2 | ||
| Collector-Emitter Breakdown Voltage | V(BR)CEO | -40 | V | IC = -1.0mA, IB = 0 | 2 | ||
| Emitter-Base Breakdown Voltage | V(BR)EBO | -5 | V | IE = -10μA, IC = 0 | 2 | ||
| Collector Cutoff Current | ICEX | -50 | nA | VCE = -30V, VEB(OFF) = -3.0V | 2 | ||
| Base Cutoff Current | IBL | -50 | nA | VCE = -30V, VEB(OFF) = -3.0V | 2 | ||
| DC Current Gain | hFE | 60 | ⎯ | IC = -100µA, VCE = -1.0V | 2 | ||
| DC Current Gain | hFE | 80 | ⎯ | IC = -1.0mA, VCE = -1.0V | 2 | ||
| DC Current Gain | hFE | 100 | 300 | ⎯ | IC = -10mA, VCE = -1.0V | 2 | |
| DC Current Gain | hFE | 30 | ⎯ | IC = -100mA, VCE = -1.0V | 2 | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | -0.25 | V | IC = -10mA, IB = -1.0mA | 2 | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | -0.4 | V | IC = -50mA, IB = -5.0mA | 2 | ||
| Base-Emitter Saturation Voltage | VBE(SAT) | -0.65 | -0.85 | V | IC = -10mA, IB = -1.0mA | 2 | |
| Base-Emitter Saturation Voltage | VBE(SAT) | -0.95 | V | IC = -50mA, IB = -5.0mA | 2 | ||
| Output Capacitance | Cobo | 4.5 | pF | VCB = -5.0V, f = 1.0MHz, IE = 0 | 2 | ||
| Input Capacitance | Cibo | 10 | pF | VEB = -0.5V, f = 1.0MHz, IC = 0 | 2 | ||
| Input Impedance | hie | 2 | 12 | kΩ | 2 | ||
| Voltage Feedback Ratio | hre | 0.1 | 10 | x 10-4 | 2 | ||
| Small Signal Current Gain | hfe | 100 | 400 | ⎯ | 2 | ||
| Output Admittance | hoe | 3 | 60 | μS | VCE = 10V, IC = 1.0mA, f = 1.0kHz | 2 | |
| Current Gain-Bandwidth Product | fT | 250 | MHz | VCE = -20V, IC = -10mA, f = 100MHz | 2 | ||
| Noise Figure | NF | 4 | dB | VCE = -5.0V, IC = -100μA, RS = 1.0kΩ, f = 1.0kHz | 2 | ||
| Delay Time | td | 35 | ns | VCC = -3.0V, IC = -10mA, VBE(off) = 0.5V, IB1 = -1.0mA | 2 | ||
| Rise Time | tr | 35 | ns | VCC = -3.0V, IC = -10mA, VBE(off) = 0.5V, IB1 = -1.0mA | 2 | ||
| Storage Time | ts | 225 | ns | VCC = -3.0V, IC = -10mA, IB1 = IB2 = -1.0mA | 2 | ||
| Fall Time | tf | 75 | ns | VCC = -3.0V, IC = -10mA, IB1 = IB2 = -1.0mA | 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: Solderable per MIL-STD-202, Method 208 • Lead Free Plating (Matte Tin Finish annealed over | 1 |
CAD (KiCad official)
- Symbol:
DMMT3906-7-F - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-26 (KiCad packages3D, STEP)
- 3D model files:
dmmt3906-7-f-etched.step/dmmt3906-7-f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dmmt3906-7-f.step/dmmt3906-7-f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (4 pp, sha256
80fe4c56ff79c01d, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).