
Overview
The IRFS634B is a MOSFET made by onsemi in a TO-220F-3 package with 3 pins. -55℃~+150℃ 1 N-channel 125pF 1nF 250V 25pF 38nC@10V 450mΩ@10V 4V 5.5W 8.1A N-Channel TO-220F-3 MOSFETs.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Q_NMOS_1G_2D_3S, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_THT:TO-220F-3_Vertical, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3290543).
Symbol
Footprint
Parameters
6- Drain Source On Resistance (RDS(on)@Vgs,Id)
- 450mΩ@4.05A,10V
- Gate Threshold Voltage (Vgs(th)@Id)
- 4V@250uA
- Input Capacitance (Ciss@Vds)
- 1nF@25V
- Operating Temperature
- -55℃~+150℃@(Tj)
- Total Gate Charge (Qg@Vgs)
- 38nC@10V
- Type
- 1 N-Channel
Order codes
1- IRFS634BLCSC C3290543
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | D | Passive |
| 3 | S | Passive |
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<iframe src="https://pcbkit.io/embed/parts/onsemi/IRFS634B" title="IRFS634B 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/IRFS634B.jpg" alt="IRFS634B" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/IRFS634B)Questions
Is there a KiCad symbol and footprint for the IRFS634B?
Yes. The symbol is Pinmap_Generic:Q_NMOS_1G_2D_3S and the footprint Package_TO_SOT_THT:TO-220F-3_Vertical, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the IRFS634B?
TO-220F-3, with 3 pins. Its footprint is drawn on this page.
Where is the IRFS634B datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the IRFS634B?
JLCPCB lists it as part C3290543, with 0 in stock; the sellers' links on this page open their listings.
What can replace the IRFS634B?
Parts like it in the library: the SVF7N80F by Hangzhou Silan Microelectronics, the IPA80R1K0CE by Infineon Technologies, the FQPF3N80C by onsemi and the FQPF9N90CT by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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