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The MURHB840CTT4 is a fast recovery rectifier manufactured by onsemi. It features a dual common cathode configuration housed in a TO-220AB package. The device supports a maximum repetitive peak reverse voltage of 400 V and an average forward rectified current of 4 A per diode. It exhibits a maximum reverse recovery time of 28 ns and a peak non-repetitive surge current capability of 100 A. The component operates within a junction temperature range up to 175 °C.
Verify the specific suffix 'TT4' against official datasheets to confirm tape-and-reel packaging specifications. Ensure the part number matches the exact electrical ratings required for the target circuit design. Cross-reference with manufacturer documentation to validate compliance with relevant safety standards.
Select this component when high-speed switching and robust surge handling are required. The TO-220AB package facilitates effective heat dissipation for continuous 4 A operation. Consider the 400 V rating to ensure adequate voltage headroom in the application environment.
This device belongs to the MURH series of ultrafast recovery rectifiers from onsemi. These components are engineered for high-efficiency power conversion systems requiring minimal switching losses. The series provides a reliable solution for replacing standard recovery diodes in modern high-frequency designs.
Direct replacements include the MURH840CTG (through-hole) or MURH840CT, provided the packaging format aligns with assembly requirements. Verify that substitute parts maintain identical pinout configurations and electrical parameters.