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
SMP5486 JFET N-Channel -25V Low Ciss InterFET	990	-	RFQ	Datasheet	SMP5486	SOT-23-3	Strip	Active	N-Channel	-	25 V	12 mA @ 15 V	-	4 V @ 10 nA	3.5pF @ 15V	150 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4341 JFET N-Channel -50V Low Ciss InterFET	990	-	RFQ	Datasheet	SMP4341	SOT-23-3	Strip	Active	N-Channel	-	50 V	4.5 mA @ 15 V	-	3.5 V @ 100 nA	3pF @ 15V	450 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP5116 JFET P-Channel 30V Low Noise InterFET	970	-	RFQ	Datasheet	SMP5116	SOT-23-3	Strip	Active	P-Channel	-	30 V	10 mA @ 15 V	-	2 V @ 1 nA	12pF @ 10V	110 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4117 JFET N-Channel -40V Low Ciss InterFET	980	-	RFQ	Datasheet	SMP4117	SOT-23-3	Strip	Active	N-Channel	-	40 V	60 µA @ 10 V	-	1.2 V @ 1 nA	1.8pF @ 10V	12.5 kOhms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP5115 JFET P-Channel 30V Low Noise InterFET	980	-	RFQ	Datasheet	SMP5115	SOT-23-3	Strip	Active	P-Channel	-	30 V	25 mA @ 15 V	-	3.5 V @ 1 nA	12pF @ 10V	80 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4338 JFET N-Channel -50V Low Ciss InterFET	760	-	RFQ	Datasheet	SMP4338	SOT-23-3	Strip	Active	N-Channel	-	50 V	40 µA @ 15 V	-	700 mV @ 100 nA	3pF @ 15V	1.2 kOhms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
IF140AST3 JFET N-Channel -20V Low Ciss InterFET	960	-	RFQ	Datasheet	IF140	SOT-23-3	Strip	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
IF140ST3 JFET N-Channel -20V Low Ciss InterFET	955	-	RFQ	Datasheet	IF140	SOT-23-3	Strip	Active	N-Channel	-	20 V	4 mA @ 15 V	-	2 V @ 5 nA	1.8pF @ 15V	300 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
IF1320ST3 JFET N-Channel -20V Low Noise InterFET	850	-	RFQ	Datasheet	IF1320	SOT-23-3	Strip	Active	N-Channel	-	20 V	10 mA @ 10 V	-	1.1 V @ 0.5 nA	15pF @ 10V	50 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4117A JFET N-Channel -40V Low Ciss InterFET	995	-	RFQ	Datasheet	SMP4117	SOT-23-3	Strip	Active	N-Channel	-	40 V	60 µA @ 10 V	-	1.2 V @ 1 nA	1.8pF @ 10V	12.5 kOhms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3

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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.