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.

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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
LSK389C TO-71 6L JFET 2N-CH 40V TO71 Linear Integrated Systems, Inc.	382	-	RFQ	Datasheet	LSK389	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	40 V	-	10 mA @ 10 V	-	300 mV @ 0.1 µA	25pF @ 10V	-	400 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71
U440 TO-71 6L ROHS JFET 2N-CH 25V TO71 Linear Integrated Systems, Inc.	958	-	RFQ	Datasheet	U440	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	25 V	-	-	-	-	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71
LS5911 SOT-23 6L ROHS JFET 2N-CH 25V 50MA SOT23-6 Linear Integrated Systems, Inc.	2,786	-	RFQ	Datasheet	LS5911	SOT-23-6	Cut Tape (CT)	Active	2 N-Channel (Dual)	25 V	25 V	7 mA @ 10 V	50 mA	1 V @ 1 mA	5pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-6
SST441 SOIC 8L JFET 2N-CH 25V 8SOIC Linear Integrated Systems, Inc.	2,198	-	RFQ	Datasheet	SST441	8-SOIC (0.154", 3.90mm Width)	Cut Tape (CT)	Active	2 N-Channel (Dual)	25 V	-	-	-	-	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	8-SOIC
2N5564 TO-71 6L ROHS JFET 2N-CH 40V TO71 Linear Integrated Systems, Inc.	557	-	RFQ	Datasheet	2N5564	TO-71-6 Metal Can	Bulk	Obsolete	2 N-Channel (Dual)	40 V	-	7 mA @ 15 V	-	500 mV @ 2 mA	25pF @ 15V	50 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71
SST440 SOIC 8L JFET 2N-CH 25V 8SOIC Linear Integrated Systems, Inc.	127	-	RFQ	Datasheet	SST440	8-SOIC (0.154", 3.90mm Width)	Tube	Active	2 N-Channel (Dual)	25 V	-	-	-	-	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	8-SOIC
LSK389B TO-71 6L ROHS JFET 2N-CH 40V 10MA TO71 Linear Integrated Systems, Inc.	517	-	RFQ	Datasheet	LSK389	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	40 V	40 V	6 mA @ 10 V	10 mA	300 mV @ 1 µA	25pF @ 10V	-	400 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71
LSK389A TO-71 6L ROHS JFET 2N-CH 40V 10MA TO71 Linear Integrated Systems, Inc.	271	-	RFQ	Datasheet	LSK389	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	40 V	40 V	2.6 mA @ 10 V	10 mA	300 mV @ 1 µA	25pF @ 10V	-	400 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71
U421 TO-78 7L ROHS JFET 2N-CH 40V TO78-7 Linear Integrated Systems, Inc.	465	-	RFQ	Datasheet	U421	TO-78-7 Metal Can	Bulk	Active	2 N-Channel (Dual)	40 V	-	-	-	-	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-78-7
LSK389BSOIC8LTB ROHS JFET 2N-CH 40V 8SOIC Linear Integrated Systems, Inc.	117	-	RFQ	Datasheet	LSK389	8-SOIC (0.154", 3.90mm Width)	Tube	Active	2 N-Channel (Dual)	40 V	-	6 mA @ 10 V	-	300 mV @ 100 nA	25pF @ 10V	-	400 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	8-SOIC

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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.