MUR1620CTR

Overview

The MUR1620CTR is an ultrafast recovery rectifier manufactured by onsemi, designed for high-speed switching applications. It features a dual common anode configuration with two independent diodes housed in a single package. The device supports a maximum repetitive peak reverse voltage of 200 V and handles an average forward current of 8 A per leg, totaling 16 A per package. Key electrical parameters include a typical reverse recovery time of 35 ns, a maximum forward voltage drop of 1.2 V at rated current, and a low leakage current of 5 µA. The component operates within a junction temperature range of -65°C to +175°C and is available in surface-mount packages such as TO-220AB and D2PAK.

Feature Summary

• Ultrafast 35 nanosecond reverse recovery time for efficient high-frequency operation
• Soft recovery characteristics to minimize electromagnetic interference during switching
• High-temperature glass-passivated junction ensuring reliability under thermal stress
• Common anode dual configuration allowing integration into full-wave bridge circuits

Applications

• Negative switching power supplies
• Inverter circuits
• Freewheeling diode implementations
• Single-phase full-wave bridge rectifiers when paired with common cathode devices

Procurement Notes

Verify the specific suffix (e.g., RG, TRT4G) against the datasheet to confirm packaging type and lead-free status. Ensure the ordering code matches the required case style, such as TO-220AB or D2PAK. Confirm RoHS compliance and Pb-Free designation if environmental regulations apply. Cross-reference the manufacturer part number with official onsemi documentation to avoid counterfeit components.

Selection Notes

Select this component for designs requiring fast switching speeds and low reverse recovery charge. The dual common anode structure simplifies circuit topology for bridge configurations. Evaluate thermal management requirements given the 175°C maximum junction temperature rating. Consider the 8 A per leg current limit when sizing heatsinks for continuous operation. Verify that the 200 V reverse voltage rating exceeds the peak inverse voltage in the target application.

Part Context

This device belongs to the MUR series of ultrafast rectifiers from onsemi. It serves as the complementary common anode counterpart to the MUR1620CT common cathode device. Together, these parts facilitate the construction of single-phase full-wave bridges. The series is engineered for SwitchMode power supply applications where efficiency and speed are critical.

Replacement Considerations

Direct functional substitutes include the MURB1620CTRG and NRVUB1620CTRT4G from the same family. Verify pinout compatibility and package dimensions before substitution. Ensure replacement parts meet the same 35 ns reverse recovery time and 200 V voltage ratings.