JFETs
Browse available JFETs part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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SMP4338TRJFET N-Channel -50V Low Ciss |
3,000 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 | - |
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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 |
JFETs FAQ
Common questions about selecting, comparing and sourcing JFETs components through Winsun (HK) Electronics.
What should I check when selecting JFETs components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific JFETs part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find JFETs parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for JFETs components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
