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.
| Photo | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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SMP4338TRJFET N-Channel -50V Low Ciss |
3,000 |
|
Datasheet | SMP4338 | SOT-23-3 | Tape & Reel (TR) | 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 |
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SMP4118TRJFET N-Channel -40V Low Ciss |
3,000 |
|
Datasheet | SMP4118 | SOT-23-3 | Tape & Reel (TR) | Active | N-Channel | - | 40 V | 130 µA @ 10 V | - | 2 V @ 1 nA | 1.8pF @ 10V | 9 kOhms | 350 mW | -55°C ~ 150°C (TJ) | - | - | Surface Mount | SOT-23-3 |
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SMP5462TRJFET P-Channel 40V Low Ciss |
4,000 |
|
Datasheet | SMP5462 | SOT-23-3 | Tape & Reel (TR) | Active | P-Channel | - | 40 V | 5.5 mA @ 15 V | - | 4 V @ 1 µA | 4pF @ 15V | 350 Ohms | 350 mW | -55°C ~ 150°C (TJ) | - | - | Surface Mount | SOT-23-3 |
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SMPJ305TRJFET N-Channel -30V Low Ciss |
3,000 |
|
Datasheet | SMPJ305 | SOT-23-3 | Tape & Reel (TR) | 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 |
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IF170AST3TRJFET N-Channel -30V Low Noise |
30,000 |
|
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 |
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SMP4220ATRJFET N-Channel -30V Low Ciss |
3,000 |
|
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 |
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SMPJ109TRJFET N-Channel -25V Low Noise |
3,000 |
|
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 |
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SMPJ232TRJFET N-Channel -40V Low Ciss |
3,000 |
|
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 |
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SMP4220TRJFET N-Channel -30V Low Ciss |
3,000 |
|
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 |
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SMP152TRJFET N-Channel -20V Low Noise |
3,000 |
|
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 |
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SMPJ110TRJFET N-Channel -25V Low Noise |
3,000 |
|
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 |
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SMP4393TRJFET N-Channel -40V Low Noise |
3,000 |
|
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 |
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SMP4221TRJFET N-Channel -30V Low Ciss |
3,000 |
|
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 |
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SMP5020TRJFET P-Channel 25V Low Ciss |
3,000 |
|
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 |
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IF4500ST3TRJFET N-Channel -20V Low Noise |
3,000 |
|
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 |
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IF170BST3TRJFET N-Channel -30V Low Noise |
3,000 |
|
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 |
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SMPJ304TRJFET N-Channel -30V Low Ciss |
3,000 |
|
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 |
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IF170DST3TRJFET N-Channel -30V Low Noise |
30,000 |
|
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 |
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SMPJ177TRJFET P-Channel 30V Low Noise |
3,000 |
|
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 |
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IF170CST3TRJFET N-Channel -30V Low Noise |
3,000 |
|
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 |
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.
