Overview
The STP4NK50ZFP is a high-performance N-channel Power MOSFET from STMicroelectronics, part of the SuperMESH™ series. This device is optimized for high-voltage applications, offering exceptional dv/dt capability and low on-resistance. The STP4NK50ZFP is designed with built-in Zener diodes to enhance ESD protection and absorb voltage transients, making it suitable for demanding environments. It is available in the TO-220FP package, which is lead-free and compliant with ECOPACK® standards for environmental sustainability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 500 | V |
| Gate-Source Voltage (VGS) | ±30 | V |
| Continuous Drain Current (ID) at TC = 25°C | 14 | A |
| Pulsed Drain Current (IDM) | 48 | A |
| Total Dissipation at TC = 25°C | 35 | W |
| Static Drain-Source On Resistance (RDS(on)) | <0.38 | Ω |
| Gate Threshold Voltage (VGS(th)) | 3 - 4.5 | V |
| Thermal Resistance Junction-Case (Rthj-case) | 0.83 | °C/W |
| Maximum Junction Temperature (TJ) | 150 | °C |
Key Features
- Extremely high dv/dt capability, making it suitable for demanding applications.
- 100% avalanche tested to ensure reliability under high-stress conditions.
- Minimized gate charge for efficient switching.
- Very low intrinsic capacitances to reduce switching losses.
- Built-in back-to-back Zener diodes for enhanced ESD protection and to absorb voltage transients.
- Low on-resistance (RDS(on)) of less than 0.38 Ω.
- Good manufacturing repeatability.
- Lead-free ECOPACK® packaging for environmental sustainability.
Applications
- Switching applications, particularly in high-voltage environments.
- Flyback converters and other power supply circuits.
- LED lighting systems requiring high reliability and efficiency.
- Industrial and automotive applications where high dv/dt capability is necessary.
Q & A
- What is the maximum drain-source voltage (VDS) of the STP4NK50ZFP?
The maximum drain-source voltage (VDS) is 500 V.
- What is the continuous drain current (ID) at 25°C for the STP4NK50ZFP?
The continuous drain current (ID) at 25°C is 14 A.
- What is the total dissipation at 25°C for the STP4NK50ZFP in TO-220FP package?
The total dissipation at 25°C is 35 W.
- Does the STP4NK50ZFP have built-in ESD protection?
- What is the typical on-resistance (RDS(on)) of the STP4NK50ZFP?
The typical on-resistance (RDS(on)) is less than 0.38 Ω.
- What are the common applications of the STP4NK50ZFP?
- What is the maximum junction temperature (TJ) for the STP4NK50ZFP?
The maximum junction temperature (TJ) is 150°C.
- Is the STP4NK50ZFP available in lead-free packaging?
- What is the gate threshold voltage (VGS(th)) range for the STP4NK50ZFP?
The gate threshold voltage (VGS(th)) range is 3 to 4.5 V.
- What is the thermal resistance junction-case (Rthj-case) for the STP4NK50ZFP?
The thermal resistance junction-case (Rthj-case) is 0.83 °C/W.
