Overview
The STP7NK40Z is a high-voltage, Zener-protected N-channel Power MOSFET developed by STMicroelectronics using the advanced SuperMESH technology. This device is an optimization of the well-established PowerMESH layout, designed to offer significant reductions in on-resistance and enhanced dv/dt capability. It is particularly suited for demanding applications requiring high performance and reliability. The STP7NK40Z is available in a TO-220 package and is known for its robust electrical characteristics and protective features.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-source voltage (VDS) | 400 | V |
| Drain-gate voltage (VDGR) | 400 | V |
| Gate-source voltage (VGS) | ±30 | V |
| Drain current (continuous) at TC = 25 °C (ID) | 5.4 | A |
| Drain current (continuous) at TC = 100 °C (ID) | 3.4 | A |
| Drain current (pulsed) (IDM) | 21.6 | A |
| Total power dissipation at TC = 25 °C (PTOT) | 70 | W |
| Thermal resistance, junction-to-case (RthJC) | 1.78 | °C/W |
| Thermal resistance, junction-to-ambient (RthJA) | 62.5 | °C/W |
| On-resistance (RDS(on)) | 1 Ω (max), 0.85 Ω (typ.) | Ω |
| Gate charge (Qg) | 19-26 nC | nC |
Key Features
- Developed using the SuperMESH technology, an optimization of the PowerMESH layout.
- Zener-protected to enhance ESD capability and absorb voltage transients.
- 100% avalanche tested.
- Gate charge minimized.
- Very low intrinsic capacitance.
- High dv/dt capability for demanding applications.
Applications
The STP7NK40Z is primarily used in switching applications where high voltage, low on-resistance, and robust dv/dt capability are required. These include power supplies, motor control systems, and other high-power electronic devices.
Q & A
- What is the maximum drain-source voltage of the STP7NK40Z?
The maximum drain-source voltage (VDS) is 400 V. - What is the typical on-resistance of the STP7NK40Z?
The typical on-resistance (RDS(on)) is 0.85 Ω. - What is the maximum continuous drain current at 25 °C?
The maximum continuous drain current (ID) at 25 °C is 5.4 A. - What is the thermal resistance from junction to case (RthJC)?
The thermal resistance from junction to case (RthJC) is 1.78 °C/W. - Does the STP7NK40Z have built-in Zener diode protection?
Yes, the STP7NK40Z has built-in back-to-back Zener diodes for gate-source protection. - What are the primary applications of the STP7NK40Z?
The primary applications include switching applications such as power supplies and motor control systems. - What is the maximum total power dissipation at 25 °C?
The maximum total power dissipation (PTOT) at 25 °C is 70 W. - What is the storage temperature range for the STP7NK40Z?
The storage temperature range is -55 to 150 °C. - Is the STP7NK40Z 100% avalanche tested?
Yes, the STP7NK40Z is 100% avalanche tested. - What package types are available for the STP7NK40Z?
The STP7NK40Z is available in a TO-220 package.
