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Product Detailed Parameters
- Description：JFET 2N-CH 50V TO71
- Series：U404
- Mfr：Linear Integrated Systems, Inc.
- Package：Bulk
- FET Type：2 N-Channel (Dual)
- Voltage - Breakdown (V(BR)GSS)：50 V
- Drain to Source Voltage (Vdss)：50 V
- Current - Drain (Idss) @ Vds (Vgs=0)：500 µA @ 10 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：500 mV @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：8pF @ 15V
- Resistance - RDS(On)：-
- Power - Max：300 mW
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-71-6 Metal Can
- Supplier Device Package：TO-71
- Grade：-
- Qualification：-
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Overview
The U404 is a dual-channel N-channel silicon small-signal Junction Field-Effect Transistor (JFET) manufactured by New Jersey Semiconductor. It is housed in a TO-71 package and designed for applications requiring low system error and minimal drift with temperature variations. The device operates from low power supply voltages and features high output impedance, making it suitable for precision analog signal processing tasks.
Feature Summary
- Dual-channel N-channel JFET configuration
- Low drift characteristics with temperature changes
- High output impedance design
- Operates from low power supply voltages
Applications
- Precision analog signal conditioning circuits
- Low-noise amplifier stages
- Temperature-compensated sensor interfaces
- High-impedance buffer applications
Procurement Notes
Verify the manufacturer designation as New Jersey Semiconductor when sourcing this component. Confirm the package type is TO-71 and that the device matches the dual-channel N-channel JFET specification. Ensure the part number includes the correct suffix if specific binning or testing criteria are required for your application.
Selection Notes
Select this component for designs requiring matched dual channels with low temperature drift. Consider the TO-71 package constraints for thermal management and board space. Verify that the operating voltage range aligns with the low power supply requirements specified in the datasheet to ensure optimal performance and reliability.
Part Context
This component belongs to the family of small-signal JFETs produced by New Jersey Semiconductor. These devices are engineered for analog applications where stability and low noise are critical. The TO-71 package provides a standardized form factor for through-hole mounting in various electronic assemblies.
Replacement Considerations
Consult official substitution lists from New Jersey Semiconductor for verified equivalents. Generic replacements may not match the specific drift or impedance characteristics required for precision applications.
