
Overview
The 2SD401 is a bipolar made by SPTECH in a TO-220C package with 3 pins. 1 NPN 150V 2A 2V 30W 40 50uA 5V 7MHz NPN Standalone TO-220C Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NPN_1B_2C_3E, from PCBKit's generic symbols) and its footprint (EasyEDA_Cloud:TO-220-3_L10.0-W4.5-P2.54-L-1, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2907650).
Symbol
Footprint
Parameters
11- Collector - Emitter Voltage VCEO
- 150V
- Configuration
- Standalone
- Current - Collector Cutoff
- 50uA
- Current - Collector(Ic)
- 2A
- DC Current Gain
- 40
- Emitter-Base Voltage(Vebo)
- 5V
- Number
- 1 NPN
- Pd - Power Dissipation
- 30W
- Transition frequency(fT)
- 7MHz
- Vce Saturation(VCE(sat))
- 2V
- type
- NPN
Order codes
1- 2SD401LCSC C2907650
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Input |
| 2 | C | Passive |
| 3 | E | Passive |
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<iframe src="https://pcbkit.io/embed/parts/sptech/2SD401" title="2SD401 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/sptech/2SD401.jpg" alt="2SD401" width="1200" height="900">[](https://pcbkit.io/parts/sptech/2SD401)Questions
Is there a KiCad symbol and footprint for the 2SD401?
Yes. The symbol is Pinmap_Generic:Q_NPN_1B_2C_3E and the footprint EasyEDA_Cloud:TO-220-3_L10.0-W4.5-P2.54-L-1, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 2SD401?
TO-220C, with 3 pins. Its footprint is drawn on this page.
Where can I order the 2SD401?
JLCPCB lists it as part C2907650, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 2SD401?
Parts like it in the library: the BU406 by SPTECH, the D45VH10 by onsemi, the ST13005 by STMicroelectronics and the MJE15028 by SPTECH. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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