Overview
The BU406 is a bipolar made by ISC in a TO-220C package with 3 pins. TO-220C Bipolar (BJT) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:2N6043, from EasyEDA) and its footprint (EasyEDA_Cloud:TO-220-3_L10.2-W4.5-P2.55-L, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C491413).
Symbol
Footprint
Parameters
8- Collector - Emitter Voltage VCEO
- 200V
- Current - Collector(Ic)
- 7A
- Emitter-Base Voltage(Vebo)
- 6V
- Number
- 1 NPN
- Pd - Power Dissipation
- 60W
- Transition frequency(fT)
- 10MHz
- Vce Saturation(VCE(sat))
- 1V
- type
- NPN
Order codes
2- BU406LCSC C491413
- BU406LCSC C5128769
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | B | Unspecified |
| 2 | C | Unspecified |
| 3 | E | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/isc/BU406" title="BU406 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/isc/BU406.jpg" alt="BU406" width="1200" height="900">[](https://pcbkit.io/parts/isc/BU406)Questions
Is there a KiCad symbol and footprint for the BU406?
Yes. The symbol is EasyEDA_Cloud:2N6043 and the footprint EasyEDA_Cloud:TO-220-3_L10.2-W4.5-P2.55-L, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BU406?
TO-220C, with 3 pins. Its footprint is drawn on this page.
Where is the BU406 datasheet?
ISC publishes it: the Datasheet link on this page opens it.
Where can I order the BU406?
JLCPCB lists it as part C491413, with 0 in stock; the sellers' links on this page open their listings.
What can replace the BU406?
Parts like it in the library: the 2SC2233 by ISC, the 2SA1471R by onsemi and the 2SD613E by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
