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Product Detailed Parameters
- Description：JFET N-CH SW/CHOPPER CHIP 1=400
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tray
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：40 V
- Drain to Source Voltage (Vdss)：40 V
- Current - Drain (Idss) @ Vds (Vgs=0)：5 mA @ 20 V
- Current Drain (Id) - Max：50 mA
- Voltage - Cutoff (VGS off) @ Id：500 mV @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：14pF @ 20V
- Resistance - RDS(On)：100 Ohms
- Power - Max：1.8 W
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：Die
- Supplier Device Package：Die
- Grade：-
- Qualification：-
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Overview
The CP206-2N4393-CT is a small signal N-channel Junction Field-Effect Transistor (JFET) manufactured by Central Semiconductor Corp. It operates in depletion mode with a single element configuration. The device features a hermetically sealed package designed for high reliability applications, including space environments. Key electrical parameters include a minimum drain-source breakdown voltage of 40V and a maximum drain-source on-resistance of 100 Ω. The feedback capacitance is specified at 5 pF, supporting fast switching capabilities. The component supports a junction temperature range from -55°C to +175°C and has a total power dissipation rating of 300 mW at 25°C ambient temperature.
Feature Summary
- Hermetically sealed construction suitable for high-reliability and space applications
- Fast switching performance with low insertion loss characteristics
- High off-isolation with negligible leakage current in the off state
Applications
- Analog switches
- Chopper circuits
- Sample-and-hold circuits
- Normally 'on' switches
Procurement Notes
Verify the manufacturer designation and lot traceability upon receipt. Confirm that the hermetic seal integrity meets MIL-S-19500 standards if required for the specific application environment. Ensure storage conditions maintain the specified temperature range to preserve device performance and prevent moisture ingress prior to assembly.
Selection Notes
Select this component when high reliability and radiation hardness are critical requirements. The N-channel configuration and depletion mode operation make it suitable for normally-on switching applications. Compare the 100 Ω on-resistance and 40V breakdown voltage against circuit load requirements to ensure adequate margin for analog signal processing tasks.
Part Context
This part belongs to the 2N4393 series of N-channel JFETs, which are widely recognized for their superior analog switching characteristics. The series includes variants such as the 2N4391 and PN/SST4391, offering different packaging options like TO-18, TO-92, and SOT-23. The CP206-2N4393-CT specifically denotes the hermetically sealed version provided by Central Semiconductor Corp, maintaining compatibility with traditional military-grade specifications.
Replacement Considerations
Direct substitutes include the 2N4393 from Vishay Siliconix or Linear Integrated Systems. Verify pinout compatibility and hermetic sealing requirements before substitution. Alternative packages such as TO-92 or SOT-23 may require adapter solutions if surface mount technology is preferred over through-hole mounting.
