JFETs

Use the filters and product table below to compare JFETs components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	FET Type	Voltage - Breakdown (V(BR)GSS)	Drain to Source Voltage (Vdss)	Current - Drain (Idss) @ Vds (Vgs=0)	Current Drain (Id) - Max	Voltage - Cutoff (VGS off) @ Id	Input Capacitance (Ciss) (Max) @ Vds	Resistance - RDS(On)	Power - Max	Operating Temperature	Grade	Qualification	Mounting Type	Supplier Device Package
KSK30RBU JFET N-CH 50V TO92-3 onsemi	7,268	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA)	Bulk	Obsolete	N-Channel	50 V	-	300 µA @ 10 V	-	400 mV @ 100 nA	8.2pF @ 0V	-	100 mW	125°C (TJ)	-	-	Through Hole	TO-92-3
KSK30YBU JFET N-CH 50V TO92-3 onsemi	8,022	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA)	Bulk	Obsolete	N-Channel	50 V	-	1.2 mA @ 10 V	-	400 mV @ 100 nA	8.2pF @ 0V	-	100 mW	125°C (TJ)	-	-	Through Hole	TO-92-3
PN4391_D26Z JFET N-CH 30V TO92-3 onsemi	8,305	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	Tape & Reel (TR)	Obsolete	N-Channel	30 V	-	50 mA @ 20 V	-	4 V @ 1 nA	14pF @ 20V	30 Ohms	625 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3
PN4391_D27Z JFET N-CH 30V TO92-3 onsemi	7,460	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	Tape & Reel (TR)	Obsolete	N-Channel	30 V	-	50 mA @ 20 V	-	4 V @ 1 nA	14pF @ 20V	30 Ohms	625 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3
PN4391_D75Z JFET N-CH 30V TO92-3 onsemi	2,386	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	Tape & Box (TB)	Obsolete	N-Channel	30 V	-	50 mA @ 20 V	-	4 V @ 1 nA	14pF @ 20V	30 Ohms	625 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3
PN4392_D27Z JFET N-CH 30V TO92-3 onsemi	3,552	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	Tape & Reel (TR)	Obsolete	N-Channel	30 V	-	25 mA @ 20 V	-	2 V @ 1 nA	14pF @ 20V	60 Ohms	625 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3
PN4392_D75Z JFET N-CH 30V TO92-3 onsemi	8,602	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	Tape & Box (TB)	Obsolete	N-Channel	30 V	-	25 mA @ 20 V	-	2 V @ 1 nA	14pF @ 20V	60 Ohms	625 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3
PN4393_D74Z JFET N-CH 30V TO92-3 onsemi	6,355	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	Tape & Box (TB)	Obsolete	N-Channel	30 V	-	5 mA @ 20 V	-	500 mV @ 1 nA	14pF @ 20V	100 Ohms	625 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3
PN4393_D75Z JFET N-CH 30V TO92-3 onsemi	3,970	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	Tape & Box (TB)	Obsolete	N-Channel	30 V	-	5 mA @ 20 V	-	500 mV @ 1 nA	14pF @ 20V	100 Ohms	625 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3
PN4119 JFET N-CH 40V TO92-3 onsemi	6,786	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA)	Bulk	Obsolete	N-Channel	40 V	-	200 µA @ 10 V	-	2 V @ 1 nA	3pF @ 10V	-	350 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3

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FREQUENTLY ASKED QUESTIONS

JFETs FAQ

Common questions about filtering, comparing and sourcing JFETs components.

How can I narrow the JFETs selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific JFETs part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.