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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 2SK33720TL is a silicon N-channel junction FET designed for low-frequency impedance conversion and electret capacitor microphone applications. It operates within an ambient temperature range of -20°C to +80°C and features a maximum power dissipation of 100 mW. The device provides high mutual conductance, typically ranging from 660 µS to 1600 µS at 1 kHz, with a low noise voltage of 4 µV. Key electrical limits include a drain-source voltage of 20 V and a continuous drain current rating of 2 mA.
Feature Summary
- High mutual conductance suitable for signal amplification
- Low noise voltage characteristics for sensitive audio circuits
- Optimized for low-frequency impedance conversion tasks
Applications
- Electret capacitor microphone pre-amplifiers
- Low-frequency impedance conversion stages
- General-purpose small-signal amplification
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Confirm current lifecycle status as discontinued or maintenance products may require alternative sourcing strategies. Ensure compliance with RoHS directives if required by your manufacturing standards.
Selection Notes
Select this component when low noise and high transconductance are prioritized over high-speed switching capabilities. Verify that the 20 V drain-source voltage limit accommodates your circuit's peak operating conditions. Consider the SSSMini3-F1 package dimensions during PCB layout to ensure proper thermal management and mechanical fit.
Part Context
This part belongs to the Panasonic 2SK3372 series of silicon junction FETs. It shares core electrical characteristics with other variants in the family but differs in packaging and specific ordering suffixes. The series is generally targeted toward consumer electronics and audio equipment requiring reliable small-signal performance.
Replacement Considerations
Check Panasonic's official cross-reference lists for direct replacements. If unavailable, evaluate JFETs with similar V_DSO (20 V), I_DSO (2 mA), and g_m ranges. Ensure pinout compatibility (Drain-Source-Gate) and package footprint match before substitution.
FAQ
What is the typical mutual conductance of the 2SK33720TL?
The typical mutual conductance (g_m) ranges from 660 µS to 1600 µS at a frequency of 1 kHz.
Is this component suitable for high-frequency RF applications?
No, it is specifically designed for low-frequency impedance conversion and audio applications, not high-frequency RF use.
What is the maximum power dissipation rating?
The maximum power dissipation (P_D) is rated at 100 mW at an ambient temperature of 25°C.
