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Product Detailed Parameters
- Description：JFET P-CH 30V TO92-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- FET Type：P-Channel
- Voltage - Breakdown (V(BR)GSS)：30 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：6 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：1.5 V @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：-
- Resistance - RDS(On)：-
- Power - Max：350 mW
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The J271 is a P-channel Junction Field-Effect Transistor (JFET) manufactured by Fairchild Semiconductor, now part of onsemi. It is housed in a TO-92 package and designed for low-level analog switching applications. The device features a Drain-Gate Voltage rating of 30 V and a Gate-Source Breakdown Voltage of 30 V. It operates within a junction temperature range of -55°C to 150°C. Key electrical characteristics include a maximum zero-gate voltage drain current of -50 mA at -15V and a forward transfer conductance ranging from 8000 to 18000 µmhos.
Feature Summary
- Designed specifically for low-level analog switching functions
- Suitable for use in sample and hold circuits
- Compatible with chopper stabilized amplifier configurations
Applications
- Low level analog switching
- Sample and hold circuits
- Chopper stabilized amplifiers
Procurement Notes
Verify the manufacturer status carefully as this component was originally produced by Fairchild Semiconductor. Confirm that the specific lot or revision matches the required specifications for your design. Ensure the TO-92 package dimensions align with your PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this component when a P-channel JFET is required for precise analog signal routing. Consider its high forward transfer conductance for applications demanding efficient signal transmission. Evaluate the thermal resistance parameters if operating in environments where heat dissipation is a critical constraint for long-term reliability.
Part Context
This component belongs to the family of discrete semiconductor switches. It serves as a fundamental building block for analog signal processing circuits. Its small form factor allows for integration into compact electronic designs requiring reliable switching capabilities without significant signal degradation.
Replacement Considerations
Check for equivalent P-channel JFETs in the TO-92 package. Verify that substitute parts meet the same Drain-Gate Voltage and Forward Transfer Conductance specifications to ensure circuit compatibility.
