Overview
The MMST4126 is a bipolar made by Diodes Incorporated with 5 pins. 200mA 200mW 250MHz 25V 400mV 4V 50nA - Bipolar (BJT) ROHS.
PCBKit's library has its footprint (EasyEDA_Cloud:SOT-323-3_L2.1-W1.3-P1.30-LS2.3-BR, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C19503329).
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
8- Collector - Emitter Voltage VCEO
- 25V
- Current - Collector Cutoff
- 50nA
- Current - Collector(Ic)
- 200mA
- Emitter-Base Voltage(Vebo)
- 4V
- Operating Temperature
- -55℃~+150℃
- Pd - Power Dissipation
- 200mW
- Transition frequency(fT)
- 250MHz
- Vce Saturation(VCE(sat))
- 400mV
Order codes
1- MMST4126-7LCSC C19503329
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<iframe src="https://pcbkit.io/embed/parts/diodes/MMST4126" title="MMST4126 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/diodes/MMST4126.jpg" alt="MMST4126" width="1200" height="900">[](https://pcbkit.io/parts/diodes/MMST4126)Questions
Is there a KiCad symbol and footprint for the MMST4126?
Yes. the footprint EasyEDA_Cloud:SOT-323-3_L2.1-W1.3-P1.30-LS2.3-BR, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the MMST4126 datasheet?
Diodes Incorporated publishes it: the Datasheet link on this page opens it.
Where can I order the MMST4126?
JLCPCB lists it as part C19503329, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MMST4126?
Parts like it in the library: the 2SC6135,LF by Toshiba and the MMSTA13-7 by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.
