MBR1545CT

Diode Arrays Overview

The MBR1545CT is a dual common cathode Schottky barrier rectifier manufactured by onsemi. It features a 45 V repetitive peak reverse voltage and supports a continuous forward current of 15 A, with each diode leg rated for 7.5 A. The device utilizes a silicon planar structure housed in a TO-220-3 package. Key electrical parameters include a maximum forward voltage of 840 mV at 15 A and a surge current rating of 150 A. It operates within a junction temperature range of -65°C to +175°C.

Diode Arrays Feature Summary

• Center-tap configuration suitable for bridgeless PFC and synchronous rectification
• Low forward voltage drop for high efficiency and reduced power loss
• High thermal stability with 175°C operating junction temperature

Diode Arrays Applications

• Output rectification in switch-mode power supplies
• Power management circuits
• Instrumentation power stages

Diode Arrays Procurement Notes

Verify the specific suffix (e.g., G) against the datasheet to confirm lead-free status and RoHS compliance. Confirm the package type matches the design requirements, as surface mount variants like MBRB1545CTT4G exist within the same series. Ensure the ordering part number aligns with the required packaging format, such as tubes or reels, before finalizing procurement.

Diode Arrays Selection Notes

Select this component for applications requiring low forward voltage and high surge capacity in a through-hole package. Compare the 15 A current rating against the circuit's RMS load requirements. Consider the TO-220-3 thermal performance for heatsinking needs. Verify that the 45 V reverse voltage provides adequate margin for the input supply peaks.

Diode Arrays Part Context

This device belongs to the MBR15 Series of Switchmode Power Rectifiers from onsemi. It shares the MBR1545CT designation across different manufacturers but may vary in suffixes indicating packaging or compliance. The series is designed for general-purpose rectification in power electronics where efficiency and thermal robustness are critical.

Diode Arrays Replacement Considerations

MBR1545CTG is the direct lead-free equivalent. MBRB1545CTT4G offers the same electrical specifications in a D2PAK surface-mount package. MBRP1545NTU is a similar through-hole alternative with slightly different forward voltage characteristics.