12CTQ045

Overview

The Vishay 12CTQ045 is a Schottky rectifier featuring two independent elements in a common cathode configuration within a TO-220AB package. It supports a maximum average forward current of 6 A per leg and offers a repetitive peak reverse voltage rating of 45 V. The device operates reliably up to a junction temperature of 175 °C, with a typical forward voltage drop of 0.53 V at 6 A and 125 °C. Key electrical parameters include a non-repetitive surge current capability of 690 A and a maximum thermal resistance of 3.50 °C/W per leg.

Feature Summary

• Optimized for low reverse leakage current at elevated temperatures using proprietary barrier technology
• Features a guard ring structure designed to enhance ruggedness and ensure long-term reliability
• Utilizes high purity, high temperature epoxy encapsulation to provide enhanced mechanical strength and moisture resistance

Applications

• Switching power supplies
• Converters
• Freewheeling diodes
• Reverse battery protection

Procurement Notes

Verify the specific ordering suffix when purchasing. The standard production version is supplied in tubes containing 50 pieces. Lead-free (PbF) variants are available and marked accordingly. Confirm that the required voltage rating matches the 45 V specification, as this series includes 35 V and 40 V options.

Selection Notes

Select this component for applications requiring high-frequency operation and low forward voltage drop. Ensure the design accommodates the specified thermal resistance of 3.50 °C/W per leg to maintain junction temperatures within the 175 °C limit. Consider the 690 A surge current rating for transient load conditions.

Part Context

This part belongs to the 12CTQ... Series of center tap Schottky rectifiers manufactured by Vishay High Power Products. The series is designed for industrial level performance and utilizes a TO-220AB package. Other members in the series include the 12CTQ035 and 12CTQ040, which share identical electrical characteristics except for their reverse voltage ratings.

Replacement Considerations

Direct substitutes within the same Vishay series include the 12CTQ035 and 12CTQ040, provided the circuit voltage requirements do not exceed their respective 35 V and 40 V ratings. Verify pinout compatibility and thermal management requirements when cross-referencing with other manufacturers' TO-220 Schottky rectifiers.