Overview
The STP4NK50ZD is a high-performance N-channel Power MOSFET produced by STMicroelectronics. This device is part of the SuperMESH™ series, known for its advanced technology that combines reduced on-resistance, Zener gate protection, and outstanding dv/dt capability. The STP4NK50ZD is available in the TO-220 package and is designed for high-efficiency switching applications.
This MOSFET features a built-in fast body-drain recovery diode and integrated back-to-back Zener diodes to enhance ESD capability and protect against voltage transients. It is suitable for a wide range of applications requiring high reliability and efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VDS (Drain-source voltage) | 500 | V |
| VDGR (Drain-gate voltage) | 500 | V |
| VGS (Gate-source voltage) | ±30 | V |
| ID (Continuous drain current at TC = 25°C) | 3 | A |
| IDM (Pulsed drain current) | 12 | A |
| PTOT (Total dissipation at TC = 25°C) | 45 | W |
| RDS(on) (Static drain-source on resistance) | < 2.7 | Ω |
| VGS(th) (Gate threshold voltage) | 2.5 - 4.5 | V |
| TJ (Operating junction temperature) | -55 to 150 | °C |
| Rthj-case (Thermal resistance junction-case) | 2.78 | °C/W |
Key Features
- 100% avalanche tested
- Extremely high dv/dt capability
- Gate charge minimized
- Very low intrinsic capacitances
- Very good manufacturing repeatability
- Built-in fast body-drain recovery diode
- Integrated back-to-back Zener diodes for enhanced ESD capability and voltage transient protection
Applications
The STP4NK50ZD is designed for various high-efficiency switching applications, including:
- Power supplies and DC-DC converters
- Motor control and drives
- Audio amplifiers and other high-power audio equipment
- Industrial control and automation systems
- Automotive systems requiring high reliability and efficiency
Q & A
- What is the maximum drain-source voltage (VDS) of the STP4NK50ZD?
The maximum drain-source voltage (VDS) is 500 V.
- What is the continuous drain current (ID) at TC = 25°C?
The continuous drain current (ID) at TC = 25°C is 3 A.
- What is the total dissipation (PTOT) at TC = 25°C?
The total dissipation (PTOT) at TC = 25°C is 45 W.
- What is the static drain-source on resistance (RDS(on))?
The static drain-source on resistance (RDS(on)) is less than 2.7 Ω.
- What is the gate threshold voltage (VGS(th)) range?
The gate threshold voltage (VGS(th)) range is 2.5 to 4.5 V.
- What is the operating junction temperature (TJ) range?
The operating junction temperature (TJ) range is -55 to 150 °C.
- What is the thermal resistance junction-case (Rthj-case)?
The thermal resistance junction-case (Rthj-case) is 2.78 °C/W.
- What are the key features of the built-in diodes in the STP4NK50ZD?
The built-in diodes include a fast body-drain recovery diode and integrated back-to-back Zener diodes for enhanced ESD capability and voltage transient protection.
- What are some common applications for the STP4NK50ZD?
Common applications include power supplies, DC-DC converters, motor control, audio amplifiers, industrial control systems, and automotive systems.
- Is the STP4NK50ZD available in different packages?
Yes, the STP4NK50ZD is available in the TO-220 package, among others in the same series.
