Overview
The STP21NM50N is a high-performance N-channel power MOSFET designed by STMicroelectronics. This component is characterized by its robust specifications, making it suitable for a variety of high-power applications. Although it is currently obsolete and no longer manufactured, it remains an important reference for similar components and applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Vds (Drain-Source Voltage) | 500 | V |
| Vgs (Gate-Source Voltage) | ±25 | V |
| Id (Continuous Drain Current) | 18 | A |
| Pd (Power Dissipation) | 140 | W (Tc) |
| Tj (Junction Temperature) | -55 to 150 | °C |
| Ciss (Input Capacitance) | 1950 | pF @ 25 V |
Key Features
- High breakdown voltage of 500V, enabling the handling of significant voltage levels.
- Continuous drain current of 18A, suitable for high-power applications.
- Maximum power dissipation of 140W (Tc), indicating high thermal performance.
- Zener-protected and 100% avalanche tested, ensuring reliability and robustness.
- Available in TO-220, FP, D2PAK, and TO-247 packages, offering flexibility in design.
Applications
- Flyback converters: The STP21NM50N is ideal for use in flyback converter circuits due to its high voltage and current handling capabilities.
- LED lighting: Suitable for LED lighting applications that require high power and reliability.
- Power supplies: Can be used in various power supply designs where high voltage and current are necessary.
- Industrial and automotive systems: Its robust specifications make it a candidate for use in industrial and automotive applications where reliability is crucial.
Q & A
- What is the maximum drain-source voltage of the STP21NM50N?
The maximum drain-source voltage (Vds) of the STP21NM50N is 500V.
- What is the continuous drain current of the STP21NM50N?
The continuous drain current (Id) of the STP21NM50N is 18A).
- What are the available packages for the STP21NM50N?
The STP21NM50N is available in TO-220, FP, D2PAK, and TO-247 packages).
- Is the STP21NM50N still in production?
No, the STP21NM50N is obsolete and no longer manufactured).
- What are some common applications for the STP21NM50N?
Common applications include flyback converters, LED lighting, power supplies, and industrial/automotive systems).
- What is the maximum gate-source voltage of the STP21NM50N?
The maximum gate-source voltage (Vgs) of the STP21NM50N is ±25V).
- What is the maximum power dissipation of the STP21NM50N?
The maximum power dissipation (Pd) of the STP21NM50N is 140W (Tc)).
- What is the input capacitance of the STP21NM50N?
The input capacitance (Ciss) of the STP21NM50N is 1950 pF at 25 V).
- Is the STP21NM50N Zener-protected and avalanche tested?
- What are some recommended substitutes for the STP21NM50N?
Recommended substitutes include the STP20NM50 from STMicroelectronics).
