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Product Detailed Parameters
- Description：JFET N-CH 2MA SSSMINI3-F1
- Series：-
- Mfr：Panasonic Electronic Components
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：-
- Drain to Source Voltage (Vdss)：20 V
- Current - Drain (Idss) @ Vds (Vgs=0)：107 µA @ 2 V
- Current Drain (Id) - Max：2 mA
- Voltage - Cutoff (VGS off) @ Id：-
- Input Capacitance (Ciss) (Max) @ Vds：-
- Resistance - RDS(On)：-
- Power - Max：100 mW
- Operating Temperature：-20°C ~ 80°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-723
- Supplier Device Package：SSSMini3-F1
- Grade：-
- Qualification：-
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Overview
The Panasonic 2SK33720RL is a silicon N-channel junction field-effect transistor (JFET) designed for low-frequency impedance conversion and electret microphone applications. It operates within an ambient temperature range of -20°C to +80°C and dissipates up to 100 mW. Key electrical characteristics include a drain-source voltage rating of 20 V, a maximum drain current of 2 mA, and a typical mutual conductance ranging from 660 µS to 1600 µS at 1 kHz. The device exhibits a noise voltage of 4 µV under specified conditions and utilizes the SSSMini3-F1 surface-mount package.
Feature Summary
- High mutual conductance suitable for signal amplification
- Low noise voltage performance for sensitive audio circuits
- Optimized for impedance conversion in low-frequency applications
Applications
- Electret capacitor microphone pre-amplifiers
- Low-frequency impedance conversion stages
- General-purpose small-signal amplification
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm that the marking symbol matches '1H' on the SSSMini3-F1 package. Ensure compliance with RoHS Directive (EU 2002/95/EC) requirements. Check the manufacturer's official website for the latest lifecycle status regarding maintenance or discontinuation before finalizing procurement plans.
Selection Notes
Select this component when high mutual conductance and low noise are required for low-frequency signal processing. Verify that the 20 V drain-source voltage rating meets circuit requirements. Consider the SSSMini3-F1 footprint during PCB layout. Evaluate thermal dissipation capabilities against the 100 mW power limit in the intended operating environment.
Part Context
This part belongs to the Panasonic 2SK3372 series of silicon JFETs. It is specifically engineered for small-signal applications requiring stable impedance matching. The device represents a standard solution for integrating electret microphones into consumer electronics and measurement instruments.
Replacement Considerations
No official substitute part numbers are documented in the provided datasheet. Designers should evaluate alternative N-channel JFETs based on matching pin configurations, voltage ratings, and noise specifications. Cross-compatibility requires careful verification of absolute maximum ratings and package dimensions.
