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42CTQ030 from IR,International Rectifier

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42CTQ030

Manufacturer: IR

30V 40A Schottky Common Cathode Diode in a TO-220AB package

Partnumber Manufacturer Quantity Availability
42CTQ030 IR 3907 In Stock

Description and Introduction

30V 40A Schottky Common Cathode Diode in a TO-220AB package The **42CTQ030** from International Rectifier is a high-performance Schottky diode designed for demanding power electronics applications. This component features a dual common-cathode configuration, making it suitable for use in rectification circuits, DC-DC converters, and power supplies where efficiency and thermal performance are critical.  

With a **30V reverse voltage rating** and a **40A average forward current** capability, the 42CTQ030 delivers low forward voltage drop and minimal switching losses, enhancing energy efficiency in high-frequency applications. Its Schottky barrier technology ensures fast switching speeds, reducing power dissipation and improving system reliability.  

The diode is housed in a **TO-220AB package**, providing robust thermal and mechanical performance. This design facilitates effective heat dissipation, making it ideal for applications requiring sustained high-current operation. Additionally, its lead-free and RoHS-compliant construction aligns with modern environmental standards.  

Common applications include **synchronous rectification, motor drives, and solar inverters**, where its low leakage current and high surge capacity contribute to stable operation under varying load conditions. Engineers favor the 42CTQ030 for its balance of performance, durability, and cost-effectiveness in power management solutions.  

For detailed specifications, always refer to the manufacturer’s datasheet to ensure proper integration into your circuit design.

Application Scenarios & Design Considerations

30V 40A Schottky Common Cathode Diode in a TO-220AB package

Alternative Part Number

  • MBR4030CT --: 30V 40A dual Schottky rectifier in TO-220, same current/voltage class and pinout as the 42CTQ030, widely available and cost-effective.
  • STPS40L30CT --: 30V 40A dual Schottky in TO-220 with low forward voltage, a direct functional replacement for the 42CTQ030 in most rectification circuits.
  • VS-40CTQ030 --: 30V 40A dual common-cathode Schottky rectifier with matching TO-220 package and ratings, suitable drop-in substitute for the IR device.

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