MBR4045WT

Diode Arrays Overview

The onsemi MBR4045WT is a Switch Mode Power Rectifier featuring dual Schottky barrier diodes in a TO-247 package. It provides a peak repetitive reverse voltage of 45 V and an average rectified forward current of 40 A total (20 A per leg). The device operates with a junction temperature range from -65°C to +175°C, ensuring high thermal stability. Electrical characteristics include a typical instantaneous forward voltage of 0.52 V at 20 A and 25°C, alongside a non-repetitive peak surge current capability of 400 A.

Diode Arrays Feature Summary

• Dual center-tap configuration for efficient power rectification
• Low forward voltage drop resulting in reduced power loss
• High surge current capacity for robust operation
• Lead-free and halogen-free construction compliant with RoHS standards

Diode Arrays Applications

• Power supply output rectification
• Power management systems
• Instrumentation circuits

Diode Arrays Procurement Notes

Verify the specific ordering suffix when sourcing components. The 'G' suffix indicates a lead-free package variant. Confirm that the procurement channel sources genuine onsemi products directly or through authorized distribution networks to ensure component authenticity and adherence to specified electrical tolerances.

Diode Arrays Selection Notes

Select this component for applications requiring low conduction losses and high efficiency in switch-mode environments. Ensure the design accommodates the 45 V reverse voltage rating and the 40 A total current limit. Evaluate thermal management requirements based on the specified junction-to-case thermal resistance to maintain safe operating temperatures under load.

Diode Arrays Part Context

This device belongs to the MBR series of Schottky barrier rectifiers manufactured by onsemi. It utilizes silicon technology within a molded epoxy case designed for through-hole mounting. The product line emphasizes high reliability and compliance with environmental directives such as UL 94 V-0 flammability ratings for the packaging material.

Diode Arrays Replacement Considerations

Consult official cross-reference documentation for verified substitutes. Generic equivalents may differ in thermal resistance or surge capabilities. Verify pinout compatibility and package dimensions before implementation.