MURB1040CT

Overview

The MURB1040CT is an ultrafast recovery rectifier manufactured by Good-Ark Semiconductor, utilizing FRED planar wafer construction. It features a TO-263 (D2PAK) package with a maximum average forward rectified current of 10 A at a case temperature of 105°C and a maximum repetitive peak reverse voltage of 400 V. The device exhibits an ultrafast recovery time of 50 ns under specified test conditions. Peak forward surge current capability is rated at 90 A for a single half-sine wave lasting 8.3 ms. The junction-to-case thermal resistance per leg is 2.0 °C/W, supporting high-efficiency operation within a junction temperature range of -55 to +150 °C.

Feature Summary

• Ultrafast recovery time achieved through FRED planar wafer construction
• Low forward voltage drop resulting in reduced power loss
• High efficiency suitable for demanding power applications
• Plastic package meets UL flammability classification 94V-0

Applications

• High-frequency switching power supplies
• Free-wheeling diode circuits
• DC-DC converters requiring fast recovery characteristics

Procurement Notes

Verify the manufacturer part number against official Good-Ark Semiconductor documentation to ensure authenticity. Confirm that the component matches the specified TO-263 package outline and electrical ratings. Check for compliance with RoHS standards and verify the lead-free status if required by your assembly process. Ensure storage and handling procedures adhere to moisture sensitivity levels defined in the datasheet to prevent damage during soldering.

Selection Notes

Select this component when circuit designs require an ultrafast recovery time of approximately 50 ns to minimize switching losses. The 10 A current rating at elevated case temperatures makes it suitable for moderate to high-power applications. Consider the thermal resistance values for heatsinking requirements. The TO-263 package facilitates surface-mount assembly while providing adequate thermal dissipation for continuous operation.

Part Context

The MURB1040CT belongs to the MURB series of ultrafast recovery rectifiers from Good-Ark Semiconductor. This series is characterized by planar passivation and low leakage currents. The device is designed as a general-purpose ultrafast rectifier, offering improved performance over standard fast recovery diodes in terms of reverse recovery time and forward voltage characteristics.

Replacement Considerations

Direct replacements must match the 400 V reverse voltage, 10 A forward current, and TO-263 package. Verify that substitute components offer equal or better ultrafast recovery times and thermal resistance values to maintain circuit performance and reliability.