MBR3045PTG

Diode Arrays Overview

The MBR3045PTG is a Schottky barrier rectifier manufactured by onsemi, housed in a TO-220AC package. It features a continuous forward current rating of 30 Amperes and a repetitive peak reverse voltage of 45 Volts. The device utilizes a single-phase half-wave configuration with two terminals. Key electrical characteristics include a maximum DC blocking voltage of 45V and a maximum average forward rectified current of 30A at case temperature. The component is designed for low power loss and high efficiency applications.

Diode Arrays Feature Summary

• Schottky barrier technology ensures ultra-fast switching speeds and minimal reverse recovery time.
• Low forward voltage drop contributes to improved system efficiency and reduced heat generation.
• Robust construction supports high surge current capabilities under transient conditions.

Diode Arrays Applications

• DC-DC converters
• Free-wheeling diodes in inductive load circuits
• Power supply output rectification

Diode Arrays Procurement Notes

Verify the specific suffix 'PTG' against official onsemi documentation to confirm pinout orientation and thermal pad specifications. Ensure the ordering part number matches the exact package style required for your PCB footprint. Cross-reference the datasheet revision date to confirm compliance with current RoHS directives and material declarations before finalizing procurement orders.

Diode Arrays Selection Notes

Select this component when a 30A current capacity and 45V voltage rating are required in a through-hole TO-220AC package. Consider the thermal resistance characteristics of the leaded package for heatsinking requirements. Evaluate the forward voltage drop at expected operating currents to ensure it meets the efficiency targets of the specific power conversion topology being implemented.

Diode Arrays Part Context

This rectifier belongs to onsemi's general-purpose Schottky diode family designed for medium-current applications. The TO-220AC package provides a balance between current handling capability and ease of manual assembly or automated placement. It serves as a standard solution for replacing older silicon rectifiers where speed and efficiency improvements are necessary without changing the mechanical form factor significantly.

Diode Arrays Replacement Considerations

Consult official cross-reference lists for direct replacements such as the MBR3045CT if dual common cathode configurations are acceptable. Verify that any substitute maintains the same TO-220AC physical dimensions and pin compatibility. Ensure the alternative component meets or exceeds the 30A and 45V ratings specified for the original design.

Diode Arrays FAQ

What is the maximum junction temperature for the MBR3045PTG?

The maximum storage and junction temperature range is typically specified from -65°C to +175°C according to standard datasheets for this series.

Does the PTG suffix indicate a different electrical function than the base model?

The suffix usually denotes packaging details, tape and reel options, or specific manufacturing lot codes rather than altering the core electrical performance parameters.

Is this component suitable for high-frequency switching applications?

Yes, the Schottky barrier construction provides fast switching characteristics and negligible reverse recovery charge, making it suitable for high-frequency power supplies.