IRLR7843TRPBF N-Channel MOSFET 40V 78A TO-252 Power Transistor

  • Acts as a MOSFET for efficient switching and control in power management circuits.
  • Features an SOT-723 package, enabling dense PCB layouts and saving valuable board space.
  • Suitable for use in DC-DC converters, helping maintain stable voltage regulation in compact designs.
  • Model IRLR7843TRPBF is designed for integration where low-profile components are required.
  • Manufactured for consistent performance, supporting long-term operation in demanding environments.
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IRLR7843TRPBF Overview

The IRLR7843TRPBF is an advanced N-channel MOSFET designed for efficiency and robust performance in modern electronic systems. Engineered with optimized voltage and current handling, this device supports high-speed switching and low on-resistance, making it suitable for demanding industrial, automotive, and power management applications. Its TO-252 (DPAK) surface-mount package enables flexible integration onto densely populated PCBs, supporting automated assembly workflows. For engineers and sourcing specialists seeking reliable and cost-effective power switching solutions, the IRLR7843TRPBF delivers both performance and proven quality. Learn more at IC Manufacturer.

IRLR7843TRPBF Technical Specifications

Parameter Value
Transistor Type N-channel MOSFET
Drain-Source Voltage (VDS) 30V
Continuous Drain Current (ID) ~64A (at 25??C)
RDS(on) (Max) 0.003 ??
Gate Threshold Voltage (VGS(th)) 1V ÿ 2.5V
Package / Mounting TO-252 (DPAK), Surface Mount
Operating Temperature Range -55??C to +175??C
Lead-Free / RoHS Status Pb-free, RoHS Compliant
Polarity N-Channel

IRLR7843TRPBF Key Features

  • Ultra-Low RDS(on): Minimizes conduction losses, enabling higher system efficiency even at elevated current levels.
  • High Current Handling: Supports continuous drain currents up to approximately 64A, suitable for high-power switching and load control.
  • Logic-Level Gate Drive: Operates with low gate threshold voltages, simplifying drive requirements and allowing direct interfacing with logic-level controllers.
  • Thermal Performance: Wide operating temperature range and efficient thermal dissipation due to DPAK surface-mount package.
  • Lead-Free, RoHS Compliant: Meets environmental and regulatory standards for global manufacturing and end products.

IRLR7843TRPBF Advantages vs Typical Alternatives

The IRLR7843TRPBF stands out compared to typical N-channel MOSFETs in similar voltage classes, primarily due to its ultra-low on-resistance and high current capacity. These attributes result in reduced conduction loss, improved energy efficiency, and robust reliability, especially in power-dense applications. Additionally, the logic-level gate drive simplifies circuit design, offering a clear integration advantage for designers prioritizing efficiency and thermal management.

Typical Applications

  • DC-DC Conversion: Highly effective in synchronous buck converters and other high-frequency power conversion topologies, where low on-resistance and fast switching are critical for efficiency and thermal control.
  • Motor Control: Suitable for controlling DC motors in industrial automation, robotics, and automotive systems, thanks to its ability to handle large currents and rapid switching events.
  • Load Switching: Used for precision load switching in power distribution units and smart power management modules, ensuring reliable isolation and quick response times.
  • LED Lighting Drivers: Well-suited for use in high-current LED driver circuits, providing efficient switching and thermal stability in compact lighting solutions.

IRLR7843TRPBF Brand Info

The IRLR7843TRPBF is a product from a leading global manufacturer of power semiconductors. Known for rigorous quality standards and innovation in MOSFET technology, this device is engineered for demanding applications where efficiency, durability, and compact packaging are essential. Its robust performance and compliance with RoHS directives make it a trusted solution in industrial, automotive, and consumer electronics sectors. The product reflects a commitment to reliable power management and seamless integration with modern automated assembly processes.

FAQ

What is the main advantage of using this N-channel MOSFET in high-current applications?

The ultra-low on-resistance and high current handling capability allow for minimal power loss during operation, making it an excellent choice for designs where efficiency and heat management are priorities. Its performance supports reliable operation even under demanding load conditions.

Can this device be directly driven by logic-level signals?

Yes, the low gate threshold voltage range allows the MOSFET to be controlled by standard logic-level signals, simplifying the overall circuit design and reducing the need for additional gate drive circuitry.

Is the IRLR7843TRPBF suitable for surface-mount assembly?

Absolutely. The TO-252 (DPAK) package is specifically designed for surface-mount processes, enabling automated placement and soldering on densely populated printed circuit boards. This makes it ideal for high-volume production environments.

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What environmental standards does the device comply with?

This MOSFET is fully lead-free and RoHS compliant, ensuring it meets international environmental and safety regulations for hazardous substances in electronic components and assemblies.

Which typical applications benefit most from this device??s features?

Applications such as DC-DC converters, motor drivers, power distribution switches, and high-current LED drivers leverage the device??s high efficiency, low on-resistance, and robust thermal performance. These features are especially valuable where energy savings and compact design are critical.

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