Overview
The IF4500ST3 is a JFET made by InterFET in a SOT-23-3 package with 3 pins. -55℃~+150℃ 1 N-channel 1V 350mW 35V N-Channel SOT-23-3 JFETs ROHS.
PCBKit's library has its footprint (Package_TO_SOT_SMD:SOT-23-3, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C5334223).
Symbol
The library has no symbol for this part yet.
Footprint
Order codes
1- IF4500ST3LCSC C5334223
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<iframe src="https://pcbkit.io/embed/parts/interfet/IF4500ST3" title="IF4500ST3 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/interfet/IF4500ST3.jpg" alt="IF4500ST3" width="1200" height="900">[](https://pcbkit.io/parts/interfet/IF4500ST3)Questions
Is there a KiCad symbol and footprint for the IF4500ST3?
Yes. the footprint Package_TO_SOT_SMD:SOT-23-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the IF4500ST3?
SOT-23-3, with 3 pins. Its footprint is drawn on this page.
Where is the IF4500ST3 datasheet?
InterFET publishes it: the Datasheet link on this page opens it.
Where can I order the IF4500ST3?
JLCPCB lists it as part C5334223, with 0 in stock; the sellers' links on this page open their listings.
What can replace the IF4500ST3?
Parts like it in the library: the 2SK208-GR by QNH, the 2SK208-Y by QNH, the SMP4338 by InterFET and the BFR31L by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
52SK208-GR
SOT23-3SOT23-3 JFETs ROHSQNHJFETs2SK208-Y
SOT23-3SOT23-3 JFETs ROHSQNHJFETsSMP4338
SOT-23-3-55℃~+150℃ 1 N-channel 2.5kΩ 350mW 3pF 600uA N-Channel SOT-23-3 JFETs ROHSInterFETJFETsBFR31L
SOT-23-3-55℃~+150℃ 1 N-channel 2.5V 225mW、300mW 5mA N-Channel SOT-23-3 JFETs ROHSonsemiJFETsMMBF5486
SOT-23-3-55℃~+150℃ 1 N-channel 20mA 225mW N-Channel SOT-23-3 JFETs ROHSonsemiJFETs