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STN4NF20L

STN4NF20L

STMicroelectronics
N-Channel 200 V 1A (Tc) 3.3W (Tc) Surface Mount SOT-223
Active14,801 in stock

Overview

The STN4NF20L is an N-Channel Power MOSFET housed in a surface mount SOT-223 package. It is designed for switching applications, offering a maximum drain-source voltage of 200V and a continuous drain current of 1A. This MOSFET features low gate charge and exceptional dv/dt capability, making it suitable for efficient power management.

Why Choose This Part

Engineers benefit from the STN4NF20L's low Rds(on) of 1.5 Ohm @ 500mA, 10V, which helps minimize power losses and improve efficiency. Its 100% avalanche tested rating ensures reliability in demanding environments. The compact SOT-223 package saves valuable board space in space-constrained designs.

Applications

Switching Power Supplies
Ideal for use in various switching power supply designs, including advanced high efficiency isolated DC-DC converters, due to its low on-resistance and fast switching characteristics.
Motor Control
Suitable for driving small motors and solenoids in industrial and consumer applications where efficient switching and robust performance are required.
Lighting Applications
Can be used in LED lighting control circuits for switching and dimming, leveraging its low power dissipation.
Battery-Powered Devices
Its efficient operation and low power dissipation make it useful in battery-powered devices requiring power switching or voltage regulation.
Relay Replacement
Can serve as a solid-state alternative to mechanical relays in certain low-current switching applications, offering longer lifespan and faster response times.

Key Specifications

FET Type N-Channel
Vgs (Max) +/-20V
Technology MOSFET (Metal Oxide)
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Vgs(th) (Max) @ Id 3V @ 250uA
Operating Temperature -55degC ~ 150degC (TJ)
Rds On (Max) @ Id, Vgs 1.5Ohm @ 500mA, 10V
Power Dissipation (Max) 3.3W (Tc)
Supplier Device Package SOT-223
Gate Charge (Qg) (Max) @ Vgs 0.9 nC @ 10 V
Drain to Source Voltage (Vdss) 200 V
Input Capacitance (Ciss) (Max) @ Vds 150 pF @ 25 V
Drive Voltage (Max Rds On, Min Rds On) 5V, 10V
Current - Continuous Drain (Id) @ 25degC 1A (Tc)

Getting Started

To get started with the STN4NF20L, designers typically integrate it into their custom PCB designs. Standard MOSFET gate driver circuits can be used to control the device. Simulation tools are recommended for optimizing switching performance and thermal management.