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
LSK389A TO-71 6L ROHS JFET 2N-CH 40V 10MA TO71 Linear Integrated Systems, Inc.	271	RFQ	Datasheet	LSK389	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	40 V	40 V	2.6 mA @ 10 V	10 mA	300 mV @ 1 µA	25pF @ 10V	-	400 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71
U421 TO-78 7L ROHS JFET 2N-CH 40V TO78-7 Linear Integrated Systems, Inc.	465	RFQ	Datasheet	U421	TO-78-7 Metal Can	Bulk	Active	2 N-Channel (Dual)	40 V	-	-	-	-	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-78-7
LSK389BSOIC8LTB ROHS JFET 2N-CH 40V 8SOIC Linear Integrated Systems, Inc.	117	RFQ	Datasheet	LSK389	8-SOIC (0.154", 3.90mm Width)	Tube	Active	2 N-Channel (Dual)	40 V	-	6 mA @ 10 V	-	300 mV @ 100 nA	25pF @ 10V	-	400 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	8-SOIC
JANTX2N4859 JFET N-CH 30V TO18 Microsemi Corporation	903	RFQ	Datasheet	-	TO-206AA, TO-18-3 Metal Can	Bulk	Active	N-Channel	30 V	30 V	175 mA @ 15 V	-	10 V @ 500 pA	18pF @ 10V (VGS)	25 Ohms	360 mW	-65°C ~ 200°C (TJ)	-	-	Through Hole	TO-18
U423 TO-78 7L ROHS JFET 2N-CH 40V TO78-7 Linear Integrated Systems, Inc.	500	RFQ	Datasheet	U423	TO-78-7 Metal Can	Bulk	Active	2 N-Channel (Dual)	40 V	-	-	-	-	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-78-7
U422 TO-78 7L ROHS JFET 2N-CH 40V TO78-7 Linear Integrated Systems, Inc.	500	RFQ	Datasheet	U422	TO-78-7 Metal Can	Bulk	Active	2 N-Channel (Dual)	40 V	-	-	-	-	3pF @ 10V	-	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-78-7
IJW120R100T1FKSA1 JFET N-CH 1.2KV 26A TO247-3 Infineon Technologies	6,892	RFQ	Datasheet	CoolSiC™	TO-247-3	Tube	Obsolete	N-Channel	1200 V	1200 V	1.5 µA @ 1200 V	26 A	-	1550pF @ 19.5V (VGS)	100 mOhms	190 W	-55°C ~ 175°C (TJ)	-	-	Through Hole	PG-TO247-3
IJW120R070T1FKSA1 JFET PWR FIELD EFFECT Infineon Technologies	330	RFQ	Datasheet	CoolSiC™	TO-247-3	Bulk	Active	N-Channel	1200 V	1200 V	3.3 µA @ 1200 V	35 A	-	2000pF @ 19.5V (VGS)	70 mOhms	238 W	-55°C ~ 175°C (TJ)	-	-	Through Hole	PG-TO247-3
MRFG35010MR5 JFET 3-PIN Freescale Semiconductor	235	RFQ	Datasheet	*	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2N4416A JFET N-CH 35V TO72 Microchip Technology	97	RFQ	Datasheet	-	TO-206AF, TO-72-4 Metal Can	Bulk	Active	N-Channel	35 V	35 V	5 mA @ 15 V	-	2.5 V @ 1 nA	4pF @ 15V	-	300 mW	-65°C ~ 200°C (TJ)	-	-	Through Hole	TO-72
JANTX2N4092UB JFET N-CH 40V 4SMD Microsemi Corporation	101	RFQ	Datasheet	-	4-SMD, No Lead	Bulk	Active	N-Channel	40 V	40 V	15 mA @ 20 V	-	-	16pF @ 20V	50 Ohms	360 mW	-	Military	MIL-PRF-19500/431	Surface Mount	4-SMD
JANTX2N4093UB JFET N-CH 40V UB Microsemi Corporation	59	RFQ	Datasheet	-	3-SMD, No Lead	Bulk	Active	N-Channel	40 V	40 V	8 mA @ 20 V	-	-	16pF @ 20V	80 Ohms	360 mW	-	Military	MIL-PRF-19500/431	Surface Mount	UB
J175-D26Z JFET P-CH 30V 0.35W TO92 Fairchild Semiconductor	126,108	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	Bulk	Active	P-Channel	30 V	-	7 mA @ 15 V	-	3 V @ 10 nA	-	125 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-92-3
TF252TH-5-TL-H N-CHANNEL JFET onsemi	251,487	RFQ	Datasheet	-	3-SMD, Flat Leads	Bulk	Active	N-Channel	-	-	210 µA @ 2 V	1 mA	1 V @ 1 µA	3.1pF @ 2V	-	100 mW	150°C (TJ)	-	-	Surface Mount	3-VTFP
2SK772E 2SK772 - N-CHANNEL JUNCTION SILI Sanyo	2,500	RFQ	Datasheet	*	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
IFN201ST3TR JFET N-Channel -40V Low Ciss InterFET	3,000	RFQ	Datasheet	IFN201	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	40 V	1 mA @ 20 V	-	1.1 V @ 10 nA	4pF @ 20V	850 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
IFN160BST3TR JFET N-Channel -50V Low Ciss InterFET	3,000	RFQ	Datasheet	IFN160	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	50 V	3 mA @ 5 V	-	1 V @ 10 µA	4pF @ 10V	330 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
IFN160AST3TR JFET N-Channel -50V Low Ciss InterFET	3,000	RFQ	Datasheet	IFN160	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	50 V	1.5 mA @ 5 V	-	600 mV @ 10 µA	4pF @ 10V	440 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
IFN160CST3TR JFET N-Channel -50V Low Ciss InterFET	3,000	RFQ	Datasheet	IFN160	SOT-23-3	Tape & Reel (TR)	Active	N-Channel	-	50 V	6 mA @ 5 V	-	1.3 V @ 10 µA	4pF @ 10V	290 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
SMP4221ATR 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

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.