STN1NF20
Overview
The STN1NF20 is an N-Channel power MOSFET manufactured by STMicroelectronics. This surface mount component is designed for switching applications, offering a compact SOT-223 package. It features a drain-source voltage (VDD) of up to 200V and can handle a continuous drain current of 1A.
Why Choose This Part
Engineers benefit from the STN1NF20's 100% avalanche tested reliability and exceptional dv/dt capability, ensuring robust performance in demanding switching scenarios. Its low gate charge contributes to faster switching speeds and reduced power losses. The compact SOT-223 package allows for space-constrained designs, and the operating temperature range from -55degC to 150degC offers versatility.
Applications
Key Specifications
Getting Started
For getting started with MOSFETs like the STN1NF20, engineers typically integrate them into a custom PCB design. A basic gate driver circuit is essential to properly switch the MOSFET. Simulation tools can be used to model switching behavior, and standard lab equipment such as oscilloscopes and power supplies are used for testing and validation.
STN1 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Vgs (Max) | Vgs(th) (Max) @ Id | Rds On (Max) @ Id, Vgs | Power Dissipation (Max) | Gate Charge (Qg) (Max) @ Vgs | Drain to Source Voltage (Vdss) | Stock |
|---|---|---|---|---|---|---|---|
| STN1NF20 (this part) | +/-20V | 4V | 1.5Ohm @ 500mA, 10V | 2W (Ta) | 5.7 nC @ 10 V | 200 V | 23,455 |
| STN1HNK60 | +/-30V | 3.7V | 8.5Ohm @ 500mA, 10V | 3.3W (Tc) | 10 nC @ 10 V | 600 V | 1,358 |



