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Product Detailed Parameters
- Description：JFET N-CH 25V TO92
- Series：J210
- Mfr：Linear Integrated Systems, Inc.
- Package：Bulk
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：25 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：2 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：1 V @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：4pF @ 15V
- Resistance - RDS(On)：-
- Power - Max：360 mW
- Operating Temperature：-55°C ~ 150°C
- 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 J210 is a single-channel, low-noise N-channel JFET general-purpose amplifier from the Linear Systems J/SST210 series. It serves as a direct replacement for Fairchild, NXP, and Siliconix-Vishay equivalents. The device features high gain with gfs of 7000µmho minimum (J211/J212), high input impedance with IGSS max 100pA, and low capacitance with CISS typical 5pF. Gate-drain or gate-source voltage is rated at -25V. Gate current is 10µA at 25°C. Total power dissipation is 360mW with derating of 3.27 mW/°C. Operating temperature range spans -55°C to +150°C.
Feature Summary
- Low noise performance suitable for sensitive signal amplification
- High input impedance minimizing circuit loading effects
- Direct compatibility with legacy Fairchild, NXP, and Siliconix-Vishay designs
Applications
- General purpose low noise amplification
- Precision instrumentation circuits
- Audio pre-amplifier stages
Procurement Notes
Verify package type matches requirement: TO-92 3L RoHS. Confirm series designation J/SST210 aligns with target application noise specifications. Ensure thermal derating calculations account for 3.27 mW/°C limit within the -55°C to +150°C operating range. Cross-reference pinout with original Fairchild/NXP/Siliconix-Vishay datasheets for seamless integration into existing PCB layouts without redesign.
Selection Notes
Select J210 when low noise and high input impedance are critical. Compare gfs and IGSS parameters against specific circuit requirements. Consider SOT-23 3L RoHS variants if surface mount packaging is preferred over through-hole TO-92. Verify thermal management capabilities for high-temperature environments up to +150°C.
Part Context
Part of the Linear Systems J/SST210 series offering N-channel JFET amplifiers in multiple packages including TO-92, SOT-23, and die form. Designed to replace discontinued components from major semiconductor manufacturers while maintaining electrical performance standards for analog signal processing applications.
Replacement Considerations
Direct substitute for Fairchild, NXP, and Siliconix-Vishay JFET amplifiers. Verify pin compatibility and electrical parameter equivalence before implementation.
