STP7NK40Z Overview
The STP7NK40Z is a high-voltage N-channel MOSFET designed for efficient switching and power management in industrial and consumer electronics. Featuring a 400V drain-to-source voltage rating, it supports high-voltage applications with low on-resistance, ensuring minimal conduction losses and enhanced energy efficiency. Its rugged design enables reliable operation under demanding conditions, making it suitable for power supplies, motor drives, and lighting systems. This device delivers optimized performance for engineers seeking robust and cost-effective solutions in power electronics. For detailed technical support and purchasing options, visit IC Manufacturer.
STP7NK40Z Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-to-Source Voltage (VDS) | 400 | V |
| Continuous Drain Current (ID) | 7 | A |
| Gate Threshold Voltage (VGS(th)) | 2 – 4 | V |
| Drain-Source On-Resistance (RDS(on)) | 0.75 | ?? |
| Gate Charge (Qg) | 20 | nC |
| Maximum Power Dissipation (PD) | 50 | W |
| Operating Junction Temperature (Tj) | -55 to 150 | ??C |
| Package Type | TO-220 | – |
STP7NK40Z Key Features
- High voltage capability: Supports up to 400V drain-to-source voltage, enabling use in demanding power conversion applications.
- Low on-resistance: Minimizes conduction losses, improving overall system efficiency and reducing heat generation.
- Robust thermal performance: Capable of operating at junction temperatures up to 150??C, enhancing reliability under thermal stress.
- Fast switching speed: Low gate charge allows rapid switching, beneficial for high-frequency power applications.
Typical Applications
- Switching power supplies and power factor correction circuits where high voltage and low conduction losses are critical for efficiency and reliability.
- Motor control circuits requiring robust MOSFETs capable of handling high voltage and current demands.
- Lighting ballasts and electronic dimming devices that benefit from fast switching and thermal stability.
- Industrial automation systems that need durable components to maintain performance in harsh electrical environments.
STP7NK40Z Advantages vs Typical Alternatives
This MOSFET offers a superior balance of high voltage rating and low on-resistance compared to typical alternatives, reducing power losses and improving thermal management. Its TO-220 package facilitates efficient heat dissipation and easy mounting. The device??s consistent gate threshold voltage and fast switching capabilities enhance circuit responsiveness. These advantages translate to greater system reliability and energy savings in industrial and commercial power electronics.
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STP7NK40Z Brand Info
The STP7NK40Z is a product from STMicroelectronics, a leading global semiconductor manufacturer known for delivering innovative and reliable power management solutions. The brand is recognized for its extensive portfolio of MOSFETs designed to meet stringent industrial and automotive standards. STMicroelectronics ensures that this device meets high-quality manufacturing processes and provides comprehensive technical support, making it a trusted choice for engineers and sourcing specialists worldwide.
FAQ
What is the maximum voltage the STP7NK40Z can handle?
The maximum drain-to-source voltage rating of this MOSFET is 400V. This high voltage capability makes it suitable for power supply and industrial applications requiring robust voltage tolerance.
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How does the on-resistance affect device performance?
Lower drain-source on-resistance reduces conduction losses when the MOSFET is in the ??on?? state. This improves overall energy efficiency and reduces heat dissipation, which is critical for reliable and long-lasting power electronics.
What package type is used for the STP7NK40Z?
This MOSFET is housed in a TO-220 package, which provides good thermal conduction






