ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：JFET N-CH 30V TO18
- 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：Through Hole
- Package / Case：TO-206AA, TO-18-3 Metal Can
- Supplier Device Package：TO-18 (TO-206AA)
- Grade：Military
- Qualification：MIL-PRF-19500/385
Download product information
Overview
The MQ2N4859 is a silicon N-channel Junction Field-Effect Transistor (JFET) manufactured by Microchip Technology. It is designed for surface-mount installation in an SMD-3 package configuration. The device features a single transistor arrangement with a maximum 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 and exhibits a drain-source on-resistance of 25 Ohms. The component handles a power dissipation of 1.8 W and operates within a temperature range from -65 C to +200 C.
Feature Summary
- Utilizes silicon technology for robust semiconductor performance
- Engineered for surface-mount device (SMD/SMT) integration
- Provides high thermal stability with extended operating temperature limits
Applications
- High-temperature electronic circuit design
- Surface-mount transistor switching applications
- General-purpose JFET amplification stages
Procurement Notes
Verify the specific suffix against official Microchip documentation, as the provided model lacks the standard trailing characters often found in commercial variants like /TR. Confirm package type and electrical ratings directly from the manufacturer datasheet before procurement to ensure compatibility with the intended surface-mount footprint and operational requirements.
Selection Notes
Select this component when a surface-mount N-channel JFET with high thermal tolerance is required. The 25 Ohm on-resistance and 175 mA current capability suit moderate power applications. Ensure the design accommodates the SMD-3 package dimensions and verify that the 30 V voltage ratings align with the system's maximum signal swings.
Part Context
This part belongs to the Microchip JFET product line, which includes various silicon-based field-effect transistors. These components are typically used in analog signal processing and switching circuits where low noise and high input impedance are beneficial. The series offers both through-hole and surface-mount options to support diverse manufacturing needs.
Replacement Considerations
Publicly confirmed substitute part numbers for MQ2N4859 were not identified in available sources. Verify pinout and electrical specifications carefully if considering alternative JFETs, as parameters such as Rds(on) and breakdown voltages may vary significantly between manufacturers.
