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.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters

Stock & Datasheets Review availability and technical references

RFQ & BOM Support Send your target MPN, quantity or BOM

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
IF170AST3TR JFET N-Channel -30V Low Noise InterFET	30,000	-	RFQ	Datasheet	IF170	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	30 V	4 mA @ 10 V	-	600 mV @ 1 nA	15pF @ 10V	80 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4220ATR JFET N-Channel -30V Low Ciss InterFET	3,000	-	RFQ	Datasheet	SMP4220	SOT-23-3	Tape & Reel (TR)	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
SMPJ109TR JFET N-Channel -25V Low Noise InterFET	3,000	-	RFQ	Datasheet	SMPJ109	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	25 V	240 mA @ 15 V	-	3.5 V @ 0.5 nA	28pF @ 0V	10 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMPJ232TR JFET N-Channel -40V Low Ciss InterFET	3,000	-	RFQ	Datasheet	SMPJ232	SOT-23-3	Tape & Reel (TR)	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
SMP4220TR JFET N-Channel -30V Low Ciss InterFET	3,000	-	RFQ	Datasheet	SMP4220	SOT-23-3	Tape & Reel (TR)	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
SMP152TR JFET N-Channel -20V Low Noise InterFET	3,000	-	RFQ	Datasheet	SMP152	SOT-23-3	Tape & Reel (TR)	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
SMPJ110TR JFET N-Channel -25V Low Noise InterFET	3,000	-	RFQ	Datasheet	SMPJ110	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	25 V	100 mA @ 15 V	-	2 V @ 0.5 nA	28pF @ 0V	15 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4393TR JFET N-Channel -40V Low Noise InterFET	3,000	-	RFQ	Datasheet	SMP4393	SOT-23-3	Tape & Reel (TR)	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
SMP4221TR JFET N-Channel -30V Low Ciss InterFET	3,000	-	RFQ	Datasheet	SMP4221	SOT-23-3	Tape & Reel (TR)	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
SMP5020TR JFET P-Channel 25V Low Ciss InterFET	3,000	-	RFQ	Datasheet	SMP5020	SOT-23-3	Tape & Reel (TR)	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

WINSUN SOURCING SUPPORT

Need Help Sourcing JFETs?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

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.