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Product Detailed Parameters
- Description：JFET N-CH 30V UB
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：30 V
- Drain to Source Voltage (Vdss)：30 V
- Current - Drain (Idss) @ Vds (Vgs=0)：50 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：4 V @ 500 pA
- Input Capacitance (Ciss) (Max) @ Vds：18pF @ 10V
- Resistance - RDS(On)：25 Ohms
- Power - Max：360 mW
- Operating Temperature：-65°C ~ 200°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：3-SMD, No Lead
- Supplier Device Package：UB
- Grade：Military
- Qualification：MIL-PRF-19500/385
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Overview
The MQ2N4859UB is a single N-channel Junction Field-Effect Transistor (JFET) manufactured by Microchip Technology using silicon technology. It is designed for surface-mount installation in an SMD-3 package. The device features a drain-source breakdown voltage of 30 V and a gate-source breakdown voltage of 30 V. It supports a continuous drain current of 175 mA with a maximum power dissipation of 1.8 W. The component operates within a temperature range from -65°C to +200°C.
Feature Summary
- High-temperature operation capability up to 200°C
- Single N-channel JFET configuration
- Surface-mount SMD-3 packaging
Applications
- High-temperature electronic circuits
- Silicon-based transistor applications
Procurement Notes
Verify the specific datasheet version and official Microchip documentation before integration. Confirm that the SMD-3 package dimensions and pinout align with the target PCB layout. Ensure thermal management strategies accommodate the 1.8 W power dissipation rating at elevated operating temperatures up to 200°C. Validate supply chain authenticity through authorized channels.
Selection Notes
Select this component when high-temperature stability is required for single-channel JFET applications. The wide operating temperature range makes it suitable for harsh environments. Consider the 30 V voltage ratings and 175 mA current capacity against circuit requirements. The SMD-3 package dictates specific footprint constraints during design.
Part Context
This part belongs to the Microchip Technology JFET product line, specifically utilizing silicon technology. It is categorized under transistors and serves as a discrete semiconductor device. The manufacturer provides technical documentation including datasheets and environmental compliance files for engineering reference.
FAQ
What is the maximum operating temperature for the MQ2N4859UB?
The maximum operating temperature is +200°C.
What is the package type for this component?
The component uses an SMD-3 surface-mount package.
Is the MQ2N4859UB available in a dual-channel configuration?
No, it is configured as a single N-channel JFET.
