JFETs

Explore JFETs parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.

Mfr. Part #	Availability	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
U290 JFET N-CH 30V TO206AC Vishay Siliconix	8,364	RFQ	Datasheet	-	TO-206AC, TO-52-3 Metal Can	Tube	Obsolete	N-Channel	30 V	-	500 mA @ 10 V	-	4 V @ 3 nA	160pF @ 0V	3 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-206AC (TO-52)
U290-E3 JFET N-CH 30V TO206AC Vishay Siliconix	6,542	RFQ	Datasheet	-	TO-206AC, TO-52-3 Metal Can	Tube	Obsolete	N-Channel	30 V	-	500 mA @ 10 V	-	4 V @ 3 nA	160pF @ 0V	3 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-206AC (TO-52)
U291 JFET N-CH 30V TO206AC Vishay Siliconix	5,620	RFQ	Datasheet	-	TO-206AC, TO-52-3 Metal Can	Tube	Obsolete	N-Channel	30 V	-	200 mA @ 10 V	-	1.5 V @ 3 nA	160pF @ 0V	7 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-206AC (TO-52)
U291-E3 JFET N-CH 30V TO206AC Vishay Siliconix	6,474	RFQ	Datasheet	-	TO-206AC, TO-52-3 Metal Can	Tube	Obsolete	N-Channel	30 V	-	200 mA @ 10 V	-	1.5 V @ 3 nA	160pF @ 0V	7 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-206AC (TO-52)
U310-E3 JFET N-CH 25V TO206AC Vishay Siliconix	5,509	RFQ	Datasheet	-	TO-206AC, TO-52-3 Metal Can	Tube	Obsolete	N-Channel	25 V	-	24 mA @ 10 V	-	2.5 V @ 1 nA	5pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-206AC (TO-52)
LS841 TO-71 6L ROHS JFET 2N-CH 60V TO71 Linear Integrated Systems, Inc.	5	RFQ	Datasheet	LS841	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	60 V	-	500 µA @ 20 V	-	1 V @ 1 nA	10pF @ 20V	-	400 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71
LSK489A SOIC 8L ROHS JFET 2N-CH 60V 8SOIC Linear Integrated Systems, Inc.	6,126	RFQ	Datasheet	LSK489	8-SOIC (0.154", 3.90mm Width)		Active	2 N-Channel (Dual)	60 V	-	2.5 mA @ 15 V	-	1.5 V @ 1 nA	8pF @ 15V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	8-SOIC
2N2609 JFET P-CH 30V 10MA TO18 Microchip Technology	4,103	RFQ	Datasheet	-	TO-206AA, TO-18-3 Metal Can	Bag	Active	P-Channel	30 V	-	2 mA @ 5 V	10 mA	750 mV @ 1 A	10pF @ 5V	-	300 mW	-65°C ~ 200°C (TJ)	-	-	Through Hole	TO-18 (TO-206AA)
U430 JFET 2N-CH 25V TO78-6 Vishay Siliconix	8,138	RFQ	Datasheet	-	TO-78-6 Metal Can	Tube	Obsolete	2 N-Channel (Dual)	25 V	-	12 mA @ 10 V	-	1 V @ 1 nA	5pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-78-6
U430-E3 JFET 2N-CH 25V TO78-6 Vishay Siliconix	2,379	RFQ	Datasheet	-	TO-78-6 Metal Can	Tube	Obsolete	2 N-Channel (Dual)	25 V	-	12 mA @ 10 V	-	1 V @ 1 nA	5pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	TO-78-6
U431 JFET 2N-CH 25V TO78-6 Vishay Siliconix	9,483	RFQ	Datasheet	-	TO-78-6 Metal Can	Tube	Obsolete	2 N-Channel (Dual)	25 V	-	24 mA @ 10 V	-	2 V @ 1 nA	5pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-78-6
U440 JFET 2N-CH 25V Vishay Siliconix	6,278	RFQ	Datasheet	-	TO-71-6	Tube	Obsolete	2 N-Channel (Dual)	25 V	-	6 mA @ 10 V	-	1 V @ 1 nA	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	-
U440-E3 JFET 2N-CH 25V Vishay Siliconix	8,941	RFQ	Datasheet	-	TO-71-6	Tube	Obsolete	2 N-Channel (Dual)	25 V	-	6 mA @ 10 V	-	1 V @ 1 nA	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	-
U441 JFET 2N-CH 25V Vishay Siliconix	7,872	RFQ	Datasheet	-	TO-71-6	Tube	Obsolete	2 N-Channel (Dual)	25 V	-	6 mA @ 10 V	-	1 V @ 1 nA	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	-
U441-E3 JFET 2N-CH 25V Vishay Siliconix	2,536	RFQ	Datasheet	-	TO-71-6	Tube	Obsolete	2 N-Channel (Dual)	25 V	-	6 mA @ 10 V	-	1 V @ 1 nA	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	-
2N5277 JFET Microchip Technology	3,065	RFQ	Datasheet	*	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
LS830 SOIC 8L JFET 2N-CH 40V 8SOIC Linear Integrated Systems, Inc.	5,717	RFQ	Datasheet	LS830	8-SOIC (0.154", 3.90mm Width)		Obsolete	2 N-Channel (Dual)	40 V	40 V	60 µA @ 10 V	-	600 mV @ 1 nA	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	8-SOIC
JANTX2N4857 JFET N-CH 40V TO18 Microsemi Corporation	9,389	RFQ	Datasheet	-	TO-206AA, TO-18-3 Metal Can	Bulk	Obsolete	N-Channel	40 V	40 V	100 mA @ 15 V	-	6 V @ 500 pA	18pF @ 10V (VGS)	40 Ohms	360 mW	-65°C ~ 200°C (TJ)	-	-	Through Hole	TO-18
2N4393 JFET N-CH 40V TO18 Microchip Technology	3,797	RFQ	Datasheet	-	-	Bulk	Active	N-Channel	40 V	-	5 mA @ 20 V	-	500 mV @ 1 nA	14pF @ 20V	100 Ohms	1.8 W	-55°C ~ 125°C (TJ)	-	-	Through Hole	TO-18
2N4392 JFET N-CH 40V TO18 Microchip Technology	4,820	RFQ	Datasheet	-	-	Bulk	Active	N-Channel	40 V	-	25 mA @ 20 V	-	2 V @ 1 nA	14pF @ 20V	60 Ohms	1.8 W	-55°C ~ 125°C (TJ)	-	-	Through Hole	TO-18

FAQ

Frequently Asked Questions

What are JFETs components used for?

JFETs components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right JFETs part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can JIEXIN Electronics help source obsolete or hard-to-find JFETs parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

How can I request pricing and availability?

Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.