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Product Detailed Parameters
- Description：JFET N-CH 30V TO92
- Series：-
- Mfr：Linear Integrated Systems, Inc.
- Package：Bulk
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：30 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：30 µA @ 10 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：3 V @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：3pF @ 10V
- Resistance - RDS(On)：-
- Power - Max：300 mW
- Operating Temperature：-55°C ~ 135°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92
- Grade：-
- Qualification：-
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Overview
The PF5301 is an N-channel JFET amplifier manufactured by Linear Integrated Systems, housed in a TO-92 three-lead package. It serves as a replacement for the LF5301 and features high input impedance exceeding 1 GΩ and forward transconductance greater than 70 µS. The device operates within a junction temperature range of -55°C to 135°C with a maximum power dissipation of 300mW at 25°C. Key electrical characteristics include a gate-to-source breakdown voltage of -30V, drain-to-source saturation current between 30µA and 500µA, and equivalent noise voltage of 45nV/√Hz.
Feature Summary
- High input impedance exceeding 1 GΩ
- Forward transconductance greater than 70 µS
- Designed as a direct replacement for the LF5301
Applications
- High-impedance signal amplification
- Low-noise analog circuit design
- Precision sensor interface circuits
Procurement Notes
Verify that the component matches the specific Linear Integrated Systems datasheet (Doc 201141) rather than generic equivalents. Confirm the package type is TO-92 and the pinout corresponds to Drain, Gate, and Source as defined in the official documentation. Ensure compliance with RoHS standards if required by the application specifications.
Selection Notes
Select this component when a high-input impedance JFET is required for low-current applications. Consider the -30V gate-to-source breakdown voltage limits during circuit design. Evaluate the thermal derating requirements, specifically the 2.8mW/°C rate for the PF series above 25°C ambient temperature, to ensure reliable operation under expected load conditions.
Part Context
This part belongs to the PF530x family of N-channel JFET amplifiers produced by Linear Integrated Systems. The company specializes in high-performance discrete semiconductors utilizing proprietary processes derived from historical expertise at Amelco, Union Carbide, Intersil, and Micro Power Systems. The PF5301 variant specifically utilizes the TO-92 package configuration.
Replacement Considerations
The PF5301 is explicitly documented as a replacement for the LF5301. Verify compatibility with existing circuit designs intended for the LF5301 before substitution.
