STD18N55M5 Overview
The STD18N55M5 is a high-performance N-channel MOSFET designed for efficient power switching in industrial and consumer electronics. With a maximum drain-source voltage of 55V and a low on-resistance of 18 milliohms, it delivers excellent conduction efficiency and thermal performance. This transistor supports fast switching speeds, enabling reduced power loss in high-frequency applications. Its robust design ensures reliability under demanding electrical conditions. Engineers and sourcing specialists will find this device ideal for power management, motor control, and switching regulators. For detailed technical data, visit IC Manufacturer.
STD18N55M5 Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 55 | V |
| Continuous Drain Current (ID) @ 25??C | 18 | A |
| Gate Threshold Voltage (VGS(th)) | 2.0 – 4.0 | V |
| Drain-Source On-Resistance (RDS(on)) | 18 | m?? |
| Total Gate Charge (Qg) | 40 | nC |
| Power Dissipation (PD) | 100 | W |
| Operating Junction Temperature (TJ) | -55 to 150 | ??C |
| Package Type | TO-220 |
STD18N55M5 Key Features
- Low On-Resistance: Minimizes conduction losses to improve system efficiency and reduce heat generation.
- High Current Handling: Supports continuous drain currents up to 18A, suitable for demanding power applications.
- Robust Thermal Performance: Capable of operating at junction temperatures up to 150??C, enhancing reliability under thermal stress.
- Fast Switching Capability: Enables improved performance in high-frequency switching circuits, reducing switching losses.
Typical Applications
- Power management in industrial machinery where efficient switching and high current capacity are critical to maintain system stability and performance.
- Motor drive circuits requiring reliable control of high-current loads in compact and thermally challenging environments.
- Switch-mode power supplies (SMPS) benefiting from low on-resistance and fast switching for optimal energy conversion.
- DC-DC converters in automotive and consumer electronics demanding durable and efficient semiconductor components.
STD18N55M5 Advantages vs Typical Alternatives
This MOSFET offers a competitive edge with its low on-resistance and high current rating, which translate directly to reduced power dissipation and improved energy efficiency. Compared to standard alternatives, it combines robust thermal tolerance with fast switching, enabling reliable operation in high-frequency and high-power environments. These attributes make it ideal for engineers seeking a balance between performance and durability in industrial-grade semiconductor devices.
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STD18N55M5 Brand Info
The STD18N55M5 is produced by STMicroelectronics, a global leader in semiconductor innovation. STMicroelectronics specializes in power devices such as MOSFETs that deliver reliable and efficient solutions for industrial and consumer electronics. This transistor is part of their extensive portfolio designed to meet stringent performance and quality standards, supporting applications ranging from power management to motor control. The company’s commitment to advanced silicon technology ensures that the STD18N55M5 meets both demanding electrical and thermal requirements.
FAQ
What is the maximum voltage rating of the STD18N55M5?
The maximum drain-source voltage rating is 55 volts, meaning the device can safely handle voltages up to this level without breakdown under specified conditions. This rating makes it suitable for medium-voltage power switching applications.
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