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
LSK170D SOT-23 3L ROHS JFET N-CH 40V SOT23-3 Linear Integrated Systems, Inc.	5,852	RFQ	Datasheet	LSK170D	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	N-Channel	40 V	-	18 mA @ 10 V	-	200 mV @ 1 nA	20pF @ 15V	-	400 mW	-55°C ~ 135°C (TJ)	-	-	Surface Mount	SOT-23-3
2N4393 TO-18 3L ROHS JFET N-CH 40V TO18-3 Linear Integrated Systems, Inc.	452	RFQ	Datasheet	2N4393	TO-206AA, TO-18-3 Metal Can	Bulk	Active	N-Channel	40 V	-	5 mA @ 20 V	-	500 mV @ 1 nA	14pF @ 20V	100 Ohms	1.8 W	-55°C ~ 200°C (TJ)	-	-	Through Hole	TO-18-3
SMP152 JFET N-Channel -20V Low Noise InterFET	659	RFQ	Datasheet	SMP152	SOT-23-3	Strip	Active	N-Channel	-	20 V	14 mA @ 10 V	-	1.2 V @ 1 nA	15pF @ 10V	42 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMPJ305 JFET N-Channel -30V Low Ciss InterFET	980	RFQ	Datasheet	SMPJ305	SOT-23-3	Strip	Active	N-Channel	-	30 V	4 mA @ 15 V	-	2 V @ 1 nA	3.5pF @ 15V	250 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
LSK170C SOT-23 3L ROHS JFET N-CH 40V 10MA SOT23-3 Linear Integrated Systems, Inc.	2,515	RFQ	Datasheet	LSK170C	TO-236-3, SC-59, SOT-23-3	Cut Tape (CT)	Active	N-Channel	40 V	40 V	10 mA @ 10 V	10 mA	200 mV @ 1 nA	20pF @ 15V	-	400 mW	-55°C ~ 135°C (TJ)	-	-	Surface Mount	SOT-23-3
2N4416A TO-72 4L ROHS WIDEBAND, HIGH GAIN, SINGLE, N- Linear Integrated Systems, Inc.	295	RFQ	Datasheet	2N4416A	TO-206AF, TO-72-4 Metal Can	Bulk	Active	N-Channel	35 V	-	-	-	-	0.8pF @ 15V	-	300 mW	-55°C ~ 135°C (TJ)	-	-	Through Hole	TO-72-4
LS840 TO-71 6L ROHS JFET 2N-CH 60V TO71 Linear Integrated Systems, Inc.	989	RFQ	Datasheet	LS840	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
LSK170B TO-92 3L ROHS JFET N-CH 40V 10MA TO92 Linear Integrated Systems, Inc.	356	RFQ	Datasheet	LSK170B	TO-226-3, TO-92-3 (TO-226AA)	Bulk	Active	N-Channel	40 V	40 V	6 mA @ 10 V	10 mA	200 mV @ 1 nA	20pF @ 15V	-	400 mW	-55°C ~ 135°C (TJ)	-	-	Through Hole	TO-92
2N4119A TO-72 4L JFET N-CH 40V TO72-4 Linear Integrated Systems, Inc.	538	RFQ	Datasheet	2N4119A	TO-206AF, TO-72-4 Metal Can	Bulk	Active	N-Channel	40 V	-	200 µA @ 10 V	-	2 V @ 1 nA	3pF @ 10V	-	300 mW	-	-	-	Through Hole	TO-72-4
SMPJ177 JFET P-Channel 30V Low Noise InterFET	960	RFQ	Datasheet	SMPJ177	SOT-23-3	Strip	Active	P-Channel	-	30 V	7 mA @ 15 V	-	1.5 V @ 10 nA	12pF @ 0V	130 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SST111 SOT-23 3L ROHS JFET N-CH 35V SOT23-3 Linear Integrated Systems, Inc.	2,957	RFQ	Datasheet	SST111	TO-236-3, SC-59, SOT-23-3	Cut Tape (CT)	Active	N-Channel	35 V	-	-	-	-	12pF @ 10V	30 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
2N4118A TO-72 4L ROHS JFET N-CH 40V TO72-4 Linear Integrated Systems, Inc.	762	RFQ	Datasheet	2N4118A	TO-206AF, TO-72-4 Metal Can	Bulk	Active	N-Channel	40 V	-	80 µA @ 10 V	-	1 V @ 1 nA	3pF @ 10V	-	300 mW	-	-	-	Through Hole	TO-72-4
IF4500ST3 JFET N-Channel -20V Low Noise InterFET	935	RFQ	Datasheet	IF4500	SOT-23-3	Strip	Active	N-Channel	-	20 V	30 mA @ 15 V	-	1.2 V @ 1 nA	28pF @ 15V	20 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
LS846 SOT-23 3L ROHS JFET N-CH 60V SOT23-3 Linear Integrated Systems, Inc.	8,425	RFQ	Datasheet	LS846	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	N-Channel	60 V	-	1.5 mA @ 15 V	-	1 V @ 1 nA	8pF @ 15V	-	300 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
LSK170B SOT-23 3L ROHS JFET N-CH 40V 10MA SOT23-3 Linear Integrated Systems, Inc.	10,713	RFQ	Datasheet	LSK170B	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	N-Channel	40 V	40 V	6 mA @ 10 V	10 mA	200 mV @ 1 nA	20pF @ 15V	-	400 mW	-55°C ~ 135°C (TJ)	-	-	Surface Mount	SOT-23-3
U309 TO-18 3L JFET N-CH 25V TO18-3 Linear Integrated Systems, Inc.	315	RFQ	Datasheet	U309	TO-206AA, TO-18-3 Metal Can	Bulk	Active	N-Channel	25 V	-	12 mA @ 10 V	-	1 V @ 1 nA	4pF @ 10V	35 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-18-3
2N4391 TO-18 3L ROHS JFET N-CH 40V TO18-3 Linear Integrated Systems, Inc.	500	RFQ	Datasheet	2N4391	TO-206AA, TO-18-3 Metal Can	Bulk	Active	N-Channel	40 V	-	50 mA @ 20 V	-	4 V @ 1 nA	14pF @ 20V	30 Ohms	1.8 W	-55°C ~ 200°C (TJ)	-	-	Through Hole	TO-18-3
U308 TO-18 3L ROHS JFET N-CH 25V TO18-3 Linear Integrated Systems, Inc.	495	RFQ	Datasheet	U308	TO-206AA, TO-18-3 Metal Can	Bulk	Active	N-Channel	25 V	-	12 mA @ 10 V	-	1 V @ 1 nA	4pF @ 10V	35 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-18-3
SMP5020 JFET P-Channel 25V Low Ciss InterFET	980	RFQ	Datasheet	SMP5020	SOT-23-3	Strip	Active	P-Channel	-	25 V	80 µA @ 15 V	-	1 V @ 1 nA	4pF @ 15V	1.1 kOhms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
2N3955A JFET 2N-CH 50V TO71 Harris Corporation	162	RFQ	Datasheet	-	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	50 V	-	-	-	-	-	-	-	-	-	-	Through Hole	TO-71

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.

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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.