STD7NK40ZT4 Overview
The STD7NK40ZT4 is a high-performance N-channel MOSFET designed for efficient power switching applications. Featuring a 40V drain-source voltage rating and optimized for low on-resistance, this device provides excellent conduction and switching efficiency. Its rugged construction ensures reliable operation under demanding electrical conditions, making it suitable for various industrial and consumer electronics. Ideal for engineers and sourcing specialists, the STD7NK40ZT4 offers a balanced combination of switching speed, thermal performance, and durability, supporting enhanced system efficiency and compact design. For detailed product sourcing and support, visit IC Manufacturer.
STD7NK40ZT4 Technical Specifications
| Parameter | Value | 
|---|---|
| Drain-Source Voltage (VDS) | 40 V | 
| Continuous Drain Current (ID) | 7 A | 
| Gate Threshold Voltage (VGS(th)) | 2.0 ?C 4.0 V | 
| On-Resistance (RDS(on)) | 0.07 ?? @ VGS = 10 V | 
| Power Dissipation (PD) | 1.25 W | 
| Gate Charge (Qg) | 10 nC | 
| Operating Junction Temperature (Tj) | -55 to 150 ??C | 
| Package Type | TO-220 | 
STD7NK40ZT4 Key Features
- Low On-Resistance: Minimizes conduction losses, improving energy efficiency in power switching circuits.
- Moderate Gate Threshold Voltage: Ensures reliable switching at standard gate drive voltages, facilitating ease of integration.
- High Continuous Drain Current Capability: Supports robust current handling for demanding load conditions.
- Thermal Stability: Wide operating temperature range enhances reliability in harsh industrial environments.
Typical Applications
- DC-DC converters and power management modules where efficient switching and thermal performance are critical.
- Motor control circuits requiring reliable high-current switching at moderate voltages.
- Load switching in battery-powered systems benefiting from low conduction losses.
- General-purpose switching applications in industrial automation and consumer electronics.
STD7NK40ZT4 Advantages vs Typical Alternatives
This MOSFET stands out with its low on-resistance and high current rating, offering improved efficiency and reduced power loss compared to typical alternatives. Its moderate gate threshold voltage ensures compatibility with common gate drive voltages, simplifying design. Additionally, the robust TO-220 package supports effective heat dissipation, enhancing reliability and long-term performance in industrial applications.
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STD7NK40ZT4 Brand Info
The STD7NK40ZT4 is manufactured by STMicroelectronics, a global leader in semiconductor technology known for delivering reliable and high-quality power devices. STMicroelectronics specializes in power MOSFETs designed for efficient energy management and system optimization. The STD7NK40ZT4 is part of their extensive portfolio of discrete power transistors, providing engineers with proven components for power switching and control solutions.
FAQ
What is the maximum voltage rating of this MOSFET?
The maximum drain-source voltage (VDS) rating for this device is 40 volts, which defines the highest voltage it can safely block in the off-state without breakdown.
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Can this device handle continuous high current loads?
Yes, it supports a continuous drain current of up to 7 amperes, making it suitable for applications that require steady, high-current switching capabilities.
What package type does this MOSFET use, and why is it important?
This MOSFET is housed in a TO-220 package, which offers good thermal dissipation and ease of mounting on heat sinks, critical for maintaining device reliability under high power conditions.
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Is this MOSFET suitable for high-temperature applications?
Yes, its operating junction temperature range extends from -55 ??C to 150 ??C, allowing reliable performance in harsh environmental conditions common in industrial settings.







