The KBU4M is a bridge Rectifier made by onsemi in a KBU package with 4 pins. -55℃~+150℃ 1V@4A 1kV 200A 4A 5uA@50V Single-Phase Rectifier KBU Bridge Rectifiers ROHS.
PCBKit's library has its KiCad symbol (Diode_Bridge:KBU4M, from KiCad's library) and its footprint (Diode_THT:Diode_Bridge_Vishay_KBU, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3591030). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | + | Passive |
| 2 | — | Passive |
| 3 | — | Passive |
| 4 | - | Passive |
andriish-hw/esp32-audio-streamer
A custom desktop audio streamer featuring a dual-ESP32 architecture designed for high reliability, dedicated audio processing, and low-latency hardware control.
Emanuel600/Spotcar-Inversora
Project repo for the inverter spotcar prototype - from board to code
<iframe src="https://pcbkit.io/embed/parts/onsemi/KBU4M" title="KBU4M in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/KBU4M.jpg" alt="KBU4M" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/KBU4M)Yes. The symbol is Diode_Bridge:KBU4M and the footprint Diode_THT:Diode_Bridge_Vishay_KBU, both drawn on this page. PCBKit places them on a board for you when you design with it.
KBU, with 4 pins. Its footprint is drawn on this page.
onsemi publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3591030, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the KBU8J by LGE, the KBU8M by TOS, the KBU6J by TOS and the KBU6K by TOS. Check their datasheets: a part that fits the footprint may still differ in its ratings.
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
