4 layers99 × 53.3 mm
PSLab
fossasia/pslab-hardware
PSLab Hardware Design and Schematics https://pslab.io
199 parts1.7kApache-2.0
Overview
The MMBT3906 is a bipolar made by TWGMC in a SOT-23 package with 3 pins. -55℃~+150℃ 1 PNP 100 100nA 200mA 200mW 300MHz 300mV 40V 5V PNP SOT-23 Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (Transistor_BJT:MMBT3906, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 316,105 are in stock at JLCPCB (part C727128). 256 open-source boards in 211 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
7- Collector-emitter, most
- 40 V · Collector-emitter voltage, max · p. 1
- Collector current, most
- 200 mA · Collector current at Ta=25℃, max · p. 1
- Junction, hottest
- 150 °C · Junction temperature, max · p. 1
- Junction to air (SOT-23)
- 625 K/W · Thermal resistance junction to ambient, max · p. 1
- Current gain, least
- 100 · DC current gain at VCE=-1V, IC=-10mA, min · p. 1
- Current gain, least
- 60 · DC current gain at VCE=-1V, IC=-50mA, min · p. 1
- Current gain, least
- 30 · DC current gain at VCE=-1V, IC=-100mA, min · p. 1
What it is and has
3- Construction
- Epitaxial planar die · p. 1
- Package
- SOT-23, plastic surface mounted package, 3 leads · p. 3
- Marking
- 2A · p. 1
Specifications
24| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Collector-Base Voltage VCBO | Ta=25℃ | max -40 V | 1 |
| Collector-Emitter Voltage VCEO | Ta=25℃ | max -40 V | 1 |
| Emitter-Base Voltage VEBO | Ta=25℃ | max -5 V | 1 |
| Collector Current IC | Ta=25℃ | max -200 mA | 1 |
| Total Device Dissipation PC | Ta=25℃ | max 200 mW | 1 |
| Thermal Resistance Junction to Ambient RθJA | SOT-23; Ta=25℃ | max 625 ℃/W | 1 |
| Junction Temperature TJ | max 150 ℃ | 1 | |
| Storage Temperature Tstg | min -55 · max 150 ℃ | 1 | |
| Collector-base breakdown voltage V(BR)CBO | IC=-10uA, IE=0; Ta=25℃ | min -40 V | 1 |
| Collector-emitter breakdown voltage V(BR)CEO | IC=-1mA, IB=0; Ta=25℃ | min -40 V | 1 |
| Emitter-base breakdown voltage V(BR)EBO | IE=-10uA, IC=0; Ta=25℃ | min -5 V | 1 |
| Collector cut-off current ICBO | VCB=-40V, IE=0; Ta=25℃ | max -0.1 uA | 1 |
| Collector cut-off current ICEX | VCE=-30V, VBE(off)=-3V; Ta=25℃ | max -50 nA | 1 |
| Emitter cut-off current IEBO | VEB=-5V, IC=0; Ta=25℃ | max -0.1 uA | 1 |
| DC current gain hFE(1) | VCE=-1V, IC=-10mA; Ta=25℃ | min 100 · max 300 | 1 |
| DC current gain hFE(2) | VCE=-1V, IC= -50mA; Ta=25℃ | min 60 | 1 |
| DC current gain hFE(3) | VCE=-1V, IC= -100mA; Ta=25℃ | min 30 | 1 |
| Collector-emitter saturation voltage VCE(sat) | IC=-50mA, B= -5mA; Ta=25℃ | max -0.3 V | 1 |
| Base-emitter saturation voltage VBE(sat) | IC= -50mA, IB=-5mA; Ta=25℃ | max -0.95 V | 1 |
| Transition frequency fT | VCE=-20V, IC=-10mA,f=100MHz; Ta=25℃ | min 300 MHz | 1 |
| Delay Time td | VCC=-3V, VBE=-0.5V; IC=-10mA, IB1=-IB2=-1mA; Ta=25℃ | max 35 nS | 1 |
| Rise Time tr | VCC=-3V, VBE=-0.5V; IC=-10mA, IB1=-IB2=-1mA; Ta=25℃ | max 35 nS | 1 |
| Storage Time ts | VCC=-3V, IC=-10mA, IB1=-IB2=-1mA; Ta=25℃ | max 225 nS | 1 |
| Fall Time tf | VCC=-3V, IC=-10mA, IB1=-IB2=-1mA; Ta=25℃ | max 75 nS | 1 |
Pins, by the datasheet
3- 1 BASE
- Base. · p. 1
- 2 EMITTER
- Emitter. · p. 1
- 3 COLLECTOR
- Collector. · p. 1
Parameters
14- Collector - Emitter Voltage VCEO
- 40V
- Configuration
- Standalone
- Current - Collector Cutoff
- 100nA
- Current - Collector(Ic)
- 200mA
- DC Current Gain
- 100
- Emitter-Base Voltage(Vebo)
- 5V
- Junction Temperature(Max)
- 150℃
- Number
- 1 PNP
- Operating Temperature
- -55℃~+150℃
- Pd - Power Dissipation
- 200mW
- Thermal Resistance(Junction to Ambient)
- 625℃/W
- Transition frequency(fT)
- 300MHz
- Vce Saturation(VCE(sat))
- 300mV
- type
- PNP
Order codes
1- MMBT3906LCSC C727128
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Input |
| 2 | E | Passive |
| 3 | C | Passive |
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Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/twgmc/MMBT3906" title="MMBT3906 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/twgmc/MMBT3906.jpg" alt="MMBT3906" width="1200" height="900">[](https://pcbkit.io/parts/twgmc/MMBT3906)Questions
Is there a KiCad symbol and footprint for the MMBT3906?
Yes. The symbol is Transistor_BJT:MMBT3906 and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MMBT3906?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the MMBT3906 datasheet?
TWGMC publishes it: the Datasheet link on this page opens it.
Where can I order the MMBT3906?
JLCPCB lists it as part C727128, with 316,105 in stock; the sellers' links on this page open their listings.
What can replace the MMBT3906?
Parts like it in the library: the MMBT3904 by hongjiacheng, the S8050 by hongjiacheng, the SS8050 by hongjiacheng and the MMBT5551 by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the MMBT3906?
256 boards in 211 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
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SOT-23-55℃~+150℃ 1 NPN 100nA 150MHz 200 25V 300mW 500mA 5V 600mV NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)