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Product Detailed Parameters
- Description：JFET 2N-CH 50V 8SOIC
- Series：SST406
- Mfr：Linear Integrated Systems, Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The SST406 is a dual N-channel junction field-effect transistor (JFET) manufactured by Linear Integrated Systems. It is housed in an SOIC-8 surface-mount package and features lead-free construction compliant with RoHS standards. The device integrates two closely matched JFETs on a single monolithic die to ensure high common-mode rejection ratio (CMRR) and low offset voltage drift across temperature ranges. Designed for precision analog applications, it offers ultra-low noise performance, making it suitable for demanding signal conditioning tasks.
Feature Summary
- Monolithic dual N-channel JFET structure providing tight matching between elements
- Ultra-low noise characteristics optimized for sensitive signal paths
- High common-mode rejection ratio (CMRR) due to integrated design
- Low offset voltage drift ensuring stability over temperature variations
Applications
- Ultra-high-end audio preamplifiers and microphone circuits
- Military-grade acoustic sensors and sonar hydrophones
- Discrete low-noise operational amplifier stages
- Battery-powered instrumentation amplifiers
Procurement Notes
Verify the manufacturer designation as Linear Integrated Systems or its successor entities, as corporate ownership changes may affect branding. Confirm the SOIC-8 package type and lead-free (E3) status against current datasheets. Ensure the specific suffix matches the requested tape-and-reel configuration if applicable. Cross-reference part numbers carefully to distinguish from similar JFET families.
Selection Notes
Select this component when ultra-low noise and precise matching are critical requirements. It is ideal for replacing discrete matched pairs in high-fidelity audio and scientific measurement equipment. Consider the SOIC-8 footprint for space-constrained designs requiring superior thermal stability and CMRR compared to standard discrete JFETs.
Part Context
Linear Integrated Systems specializes in high-performance analog components, particularly JFETs for premium audio and sensor applications. The SST series represents their flagship dual JFET offerings, designed to meet stringent noise and matching specifications. These devices are widely recognized in professional audio and defense sectors for their reliability and electrical consistency.
Replacement Considerations
Publicly confirmed substitute part numbers for the SST406 are not available in verified sources. Designers should consult official documentation for potential alternatives within the same product family or equivalent performance classes from other manufacturers.
