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
IF4500ST3TR JFET N-Channel -20V Low Noise InterFET	3,000	-	RFQ	Datasheet	IF4500	SOT-23-3	Tape & Reel (TR)	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
IF170BST3TR JFET N-Channel -30V Low Noise InterFET	3,000	-	RFQ	Datasheet	IF170	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	30 V	7 mA @ 10 V	-	800 mV @ 1 nA	15pF @ 10V	50 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMPJ304TR JFET N-Channel -30V Low Ciss InterFET	3,000	-	RFQ	Datasheet	SMPJ304	SOT-23-3	Tape & Reel (TR)	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
IF170DST3TR JFET N-Channel -30V Low Noise InterFET	30,000	-	RFQ	Datasheet	IF170	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	30 V	22 mA @ 10 V	-	1.5 V @ 1 nA	15pF @ 10V	38 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMPJ177TR JFET P-Channel 30V Low Noise InterFET	3,000	-	RFQ	Datasheet	SMPJ177	SOT-23-3	Tape & Reel (TR)	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
IF170CST3TR JFET N-Channel -30V Low Noise InterFET	3,000	-	RFQ	Datasheet	IF170	SOT-23-3	Tape & Reel (TR)	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
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

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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.