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
IF140AST3TR JFET N-Channel -20V Low Ciss InterFET	3,000	RFQ	Datasheet	IF140	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	20 V	7 mA @ 15 V	-	3 V @ 5 nA	1.8pF @ 15V	220 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4392 JFET N-Channel -40V Low Noise InterFET	1,000	RFQ	Datasheet	SMP4392	SOT-23-3	Strip	Active	N-Channel	-	40 V	35 mA @ 20 V	-	2.5 V @ 1 nA	13pF @ 20V	45 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP5460 JFET P-Channel 40V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP5460	SOT-23-3	Strip	Active	P-Channel	-	40 V	2 mA @ 15 V	-	2 V @ 1 µA	4pF @ 15V	650 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4416 JFET N-Channel -30V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP4416	SOT-23-3	Strip	Active	N-Channel	-	30 V	8 mA @ 15 V	-	3 V @ 1 nA	3.5pF @ 15V	180 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4856 JFET N-Channell -40V Low Noise InterFET	841	RFQ	Datasheet	-	SOT-23-3	Strip	Active	N-Channel	-	-	-	-	-	18pF @ 10V	-	-	-40°C ~ 125°C (TJ)	-	-	Surface Mount	SOT-23
SMP4416A JFET N-Channel -35V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP4416	SOT-23-3	Strip	Active	N-Channel	-	35 V	8 mA @ 15 V	-	3 V @ 1 nA	3.5pF @ 15V	180 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP5461 JFET P-Channel 40V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP5461	SOT-23-3	Strip	Active	P-Channel	-	40 V	3.8 mA @ 15 V	-	3 V @ 1 µA	4pF @ 15V	420 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4391 JFET N-Channel -40V Low Noise InterFET	1,000	RFQ	Datasheet	SMP4391	SOT-23-3	Strip	Active	N-Channel	-	40 V	65 mA @ 20 V	-	4.5 V @ 1 nA	13pF @ 20V	28 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP5462 JFET P-Channel 40V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP5462	SOT-23-3	Strip	Active	P-Channel	-	40 V	5.5 mA @ 15 V	-	4 V @ 1 µA	4pF @ 15V	350 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4118 JFET N-Channel -40V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP4118	SOT-23-3	Strip	Active	N-Channel	-	40 V	130 µA @ 10 V	-	2 V @ 1 nA	1.8pF @ 10V	9 kOhms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4393 JFET N-Channel -40V Low Noise InterFET	1,000	RFQ	Datasheet	SMP4393	SOT-23-3	Strip	Active	N-Channel	-	40 V	12 mA @ 20 V	-	1.5 V @ 1 nA	13pF @ 20V	70 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMPJ232 JFET N-Channel -40V Low Ciss InterFET	1,000	RFQ	Datasheet	SMPJ232	SOT-23-3	Strip	Active	N-Channel	-	40 V	6 mA @ 20 V	-	4.5 V @ 1 µA	3pF @ 20V	430 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
IF170CST3 JFET N-Channel -30V Low Noise InterFET	900	RFQ	Datasheet	IF170	SOT-23-3	Strip	Active	N-Channel	-	30 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
SMPJ304 JFET N-Channel -30V Low Ciss InterFET	1,000	RFQ	Datasheet	SMPJ304	SOT-23-3	Strip	Active	N-Channel	-	30 V	8 mA @ 15 V	-	3 V @ 1 nA	3.5pF @ 15V	180 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4220 JFET N-Channel -30V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP4220	SOT-23-3	Strip	Active	N-Channel	-	30 V	1 mA @ 15 V	-	1 V @ 0.1 nA	3pF @ 15V	800 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4221 JFET N-Channel -30V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP4221	SOT-23-3	Strip	Active	N-Channel	-	30 V	2.8 mA @ 15 V	-	2.5 V @ 0.1 nA	3pF @ 15V	500 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4220A JFET N-Channel -30V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP4220	SOT-23-3	Strip	Active	N-Channel	-	30 V	1 mA @ 15 V	-	1 V @ 0.1 nA	3pF @ 15V	800 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4221A JFET N-Channel -30V Low Ciss InterFET	1,000	RFQ	Datasheet	SMP4221	SOT-23-3	Strip	Active	N-Channel	-	30 V	2.8 mA @ 15 V	-	2.5 V @ 0.1 nA	3pF @ 15V	500 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
JFE150DBVT PROTOTYPE Texas Instruments	89	RFQ	Datasheet	-	SC-74A, SOT-753	Bulk	Active	N-Channel	40 V	40 V	24 mA @ 10 V	50 mA	1.5 V @ 100 nA	24pF @ 5V	-	-	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-5
LSJ74A TO-92 3L ROHS JFET P-CH 25V 10MA TO92 Linear Integrated Systems, Inc.	81	RFQ	Datasheet	LSJ74A	TO-226-3, TO-92-3 (TO-226AA)	Bulk	Active	P-Channel	25 V	25 V	2.6 mA @ 10 V	10 mA	150 mV @ 1 µA	105pF @ 10V	-	400 mW	-55°C ~ 135°C (TJ)	-	-	Through Hole	TO-92

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.