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JFETs

Manufacturer 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




















































































































































































































































































































































































































































































































































































































































































































































































































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Photo 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
LSK170D SOT-23 3L ROHS Linear Integrated Systems, Inc.

LSK170D SOT-23 3L ROHS

JFET N-CH 40V SOT23-3

Linear Integrated Systems, Inc.

 5,852
RFQ
LSK170D SOT-23 3L ROHS Datasheet

Datasheet

 		LSK170D TO-236-3, SC-59, SOT-23-3 Tape & Reel (TR) Active N-Channel 40 V - 18 mA @ 10 V - 200 mV @ 1 nA 20pF @ 15V - 400 mW -55°C ~ 135°C (TJ) - - Surface Mount SOT-23-3
2N4393 TO-18 3L ROHS Linear Integrated Systems, Inc.

2N4393 TO-18 3L ROHS

JFET N-CH 40V TO18-3

Linear Integrated Systems, Inc.

 452
RFQ
2N4393 TO-18 3L ROHS Datasheet

Datasheet

 		2N4393 TO-206AA, TO-18-3 Metal Can Bulk Active N-Channel 40 V - 5 mA @ 20 V - 500 mV @ 1 nA 14pF @ 20V 100 Ohms 1.8 W -55°C ~ 200°C (TJ) - - Through Hole TO-18-3
SMP152 InterFET

SMP152

JFET N-Channel -20V Low Noise

InterFET

 659
RFQ
SMP152 Datasheet

Datasheet

 		SMP152 SOT-23-3 Strip 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
SMPJ305 InterFET

SMPJ305

JFET N-Channel -30V Low Ciss

InterFET

 980
RFQ
SMPJ305 Datasheet

Datasheet

 		SMPJ305 SOT-23-3 Strip Active N-Channel - 30 V 4 mA @ 15 V - 2 V @ 1 nA 3.5pF @ 15V 250 Ohms 350 mW -55°C ~ 150°C (TJ) - - Surface Mount SOT-23-3
LSK170C SOT-23 3L ROHS Linear Integrated Systems, Inc.

LSK170C SOT-23 3L ROHS

JFET N-CH 40V 10MA SOT23-3

Linear Integrated Systems, Inc.

 2,515
RFQ
LSK170C SOT-23 3L ROHS Datasheet

Datasheet

 		LSK170C TO-236-3, SC-59, SOT-23-3 Cut Tape (CT) Active N-Channel 40 V 40 V 10 mA @ 10 V 10 mA 200 mV @ 1 nA 20pF @ 15V - 400 mW -55°C ~ 135°C (TJ) - - Surface Mount SOT-23-3
2N4416A TO-72 4L ROHS Linear Integrated Systems, Inc.

2N4416A TO-72 4L ROHS

WIDEBAND, HIGH GAIN, SINGLE, N-

Linear Integrated Systems, Inc.

 295
RFQ
2N4416A TO-72 4L ROHS Datasheet

Datasheet

 		2N4416A TO-206AF, TO-72-4 Metal Can Bulk Active N-Channel 35 V - - - - 0.8pF @ 15V - 300 mW -55°C ~ 135°C (TJ) - - Through Hole TO-72-4
LS840 TO-71 6L ROHS Linear Integrated Systems, Inc.

LS840 TO-71 6L ROHS

JFET 2N-CH 60V TO71

Linear Integrated Systems, Inc.

 989
RFQ
LS840 TO-71 6L ROHS Datasheet

Datasheet

 		LS840 TO-71-6 Metal Can Bulk Active 2 N-Channel (Dual) 60 V - 500 µA @ 20 V - 1 V @ 1 nA 10pF @ 20V - 400 mW -55°C ~ 150°C (TJ) - - Through Hole TO-71
LSK170B TO-92 3L ROHS Linear Integrated Systems, Inc.

LSK170B TO-92 3L ROHS

JFET N-CH 40V 10MA TO92

Linear Integrated Systems, Inc.

 356
RFQ
LSK170B TO-92 3L ROHS Datasheet

Datasheet

 		LSK170B TO-226-3, TO-92-3 (TO-226AA) Bulk Active N-Channel 40 V 40 V 6 mA @ 10 V 10 mA 200 mV @ 1 nA 20pF @ 15V - 400 mW -55°C ~ 135°C (TJ) - - Through Hole TO-92
2N4119A TO-72 4L Linear Integrated Systems, Inc.

2N4119A TO-72 4L

JFET N-CH 40V TO72-4

Linear Integrated Systems, Inc.

 538
RFQ
2N4119A TO-72 4L Datasheet

Datasheet

 		2N4119A TO-206AF, TO-72-4 Metal Can Bulk Active N-Channel 40 V - 200 µA @ 10 V - 2 V @ 1 nA 3pF @ 10V - 300 mW - - - Through Hole TO-72-4
SMPJ177 InterFET

SMPJ177

JFET P-Channel 30V Low Noise

InterFET

 960
RFQ
SMPJ177 Datasheet

Datasheet

 		SMPJ177 SOT-23-3 Strip 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
SST111 SOT-23 3L ROHS Linear Integrated Systems, Inc.

SST111 SOT-23 3L ROHS

JFET N-CH 35V SOT23-3

Linear Integrated Systems, Inc.

 2,957
RFQ
SST111 SOT-23 3L ROHS Datasheet

Datasheet

 		SST111 TO-236-3, SC-59, SOT-23-3 Cut Tape (CT) Active N-Channel 35 V - - - - 12pF @ 10V 30 Ohms 350 mW -55°C ~ 150°C (TJ) - - Surface Mount SOT-23-3
2N4118A TO-72 4L ROHS Linear Integrated Systems, Inc.

2N4118A TO-72 4L ROHS

JFET N-CH 40V TO72-4

Linear Integrated Systems, Inc.

 762
RFQ
2N4118A TO-72 4L ROHS Datasheet

Datasheet

 		2N4118A TO-206AF, TO-72-4 Metal Can Bulk Active N-Channel 40 V - 80 µA @ 10 V - 1 V @ 1 nA 3pF @ 10V - 300 mW - - - Through Hole TO-72-4
IF4500ST3 InterFET

IF4500ST3

JFET N-Channel -20V Low Noise

InterFET

 935
RFQ
IF4500ST3 Datasheet

Datasheet

 		IF4500 SOT-23-3 Strip 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
LS846 SOT-23 3L ROHS Linear Integrated Systems, Inc.

LS846 SOT-23 3L ROHS

JFET N-CH 60V SOT23-3

Linear Integrated Systems, Inc.

 8,425
RFQ
LS846 SOT-23 3L ROHS Datasheet

Datasheet

 		LS846 TO-236-3, SC-59, SOT-23-3 Tape & Reel (TR) Active N-Channel 60 V - 1.5 mA @ 15 V - 1 V @ 1 nA 8pF @ 15V - 300 mW -55°C ~ 150°C (TJ) - - Surface Mount SOT-23-3
LSK170B SOT-23 3L ROHS Linear Integrated Systems, Inc.

LSK170B SOT-23 3L ROHS

JFET N-CH 40V 10MA SOT23-3

Linear Integrated Systems, Inc.

 10,713
RFQ
LSK170B SOT-23 3L ROHS Datasheet

Datasheet

 		LSK170B TO-236-3, SC-59, SOT-23-3 Tape & Reel (TR) Active N-Channel 40 V 40 V 6 mA @ 10 V 10 mA 200 mV @ 1 nA 20pF @ 15V - 400 mW -55°C ~ 135°C (TJ) - - Surface Mount SOT-23-3
U309 TO-18 3L Linear Integrated Systems, Inc.

U309 TO-18 3L

JFET N-CH 25V TO18-3

Linear Integrated Systems, Inc.

 315
RFQ
U309 TO-18 3L Datasheet

Datasheet

 		U309 TO-206AA, TO-18-3 Metal Can Bulk Active N-Channel 25 V - 12 mA @ 10 V - 1 V @ 1 nA 4pF @ 10V 35 Ohms 500 mW -55°C ~ 150°C (TJ) - - Through Hole TO-18-3
2N4391 TO-18 3L ROHS Linear Integrated Systems, Inc.

2N4391 TO-18 3L ROHS

JFET N-CH 40V TO18-3

Linear Integrated Systems, Inc.

 500
RFQ
2N4391 TO-18 3L ROHS Datasheet

Datasheet

 		2N4391 TO-206AA, TO-18-3 Metal Can Bulk Active N-Channel 40 V - 50 mA @ 20 V - 4 V @ 1 nA 14pF @ 20V 30 Ohms 1.8 W -55°C ~ 200°C (TJ) - - Through Hole TO-18-3
U308 TO-18 3L ROHS Linear Integrated Systems, Inc.

U308 TO-18 3L ROHS

JFET N-CH 25V TO18-3

Linear Integrated Systems, Inc.

 495
RFQ
U308 TO-18 3L ROHS Datasheet

Datasheet

 		U308 TO-206AA, TO-18-3 Metal Can Bulk Active N-Channel 25 V - 12 mA @ 10 V - 1 V @ 1 nA 4pF @ 10V 35 Ohms 500 mW -55°C ~ 150°C (TJ) - - Through Hole TO-18-3
SMP5020 InterFET

SMP5020

JFET P-Channel 25V Low Ciss

InterFET

 980
RFQ
SMP5020 Datasheet

Datasheet

 		SMP5020 SOT-23-3 Strip 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
2N3955A Harris Corporation

2N3955A

JFET 2N-CH 50V TO71

Harris Corporation

 162
RFQ
2N3955A Datasheet

Datasheet

 		- TO-71-6 Metal Can Bulk Active 2 N-Channel (Dual) 50 V - - - - - - - - - - Through Hole TO-71
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JFETs Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing JFETs components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports JFETs Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

JFETs FAQ

Can FPGAX source both active and end-of-life JFETs components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a JFETs sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.

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