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Product Detailed Parameters
- Description：DIODE MOD SCHOTT 45V 75A TO-249
- Series：-
- Mfr：SMC Diode Solutions
- Package：Box
- Diode Configuration：1 Pair Common Cathode
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：45 V
- Current - Average Rectified (Io) (per Diode)：75A
- Voltage - Forward (Vf) (Max) @ If：710 mV @ 75 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：5 mA @ 45 V
- Operating Temperature - Junction：-55°C ~ 175°C
- Mounting Type：Chassis Mount
- Package / Case：TO-249AA (Modified), D-60
- Supplier Device Package：TO-249
- Grade：-
- Qualification：-
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Overview
The 151CMQ045 is a high-speed silicon rectifier diode manufactured by SMC Diode Solutions. It features a common cathode configuration with two internal die structures housed in a single package. The device is rated for a repetitive peak reverse voltage of 45 volts and offers an average forward rectified current capacity of 15 amperes per leg. It utilizes a planar chip construction designed for robust performance under demanding electrical conditions.
Feature Summary
- Common cathode dual diode architecture
- Planar chip construction for reliability
- High-speed switching capability
Applications
- DC-DC converter circuits
- Free-wheeling rectification in power supplies
- General purpose rectification in low-voltage systems
Procurement Notes
Verify the specific suffix codes on the component marking to ensure exact electrical matching with design requirements. Confirm package type and pinout orientation against official datasheets before integration. Check for RoHS compliance status if environmental regulations apply to the final assembly process.
Selection Notes
Select this component when a common cathode arrangement is required for synchronous rectification or free-wheeling applications. Ensure the operating junction temperature range aligns with the system's thermal management capabilities. Verify that the 45V reverse voltage rating provides sufficient margin for transient spikes in the target circuit.
Part Context
This part belongs to SMC Diode Solutions' series of high-current, low-voltage rectifiers. These components are engineered for efficiency in modern power conversion topologies. The common cathode design simplifies board layout compared to discrete dual diodes, offering space savings in compact power modules.
Replacement Considerations
Consult official cross-reference lists from SMC Diode Solutions for verified substitutes. Ensure any replacement maintains identical pinout, voltage ratings, and current handling capabilities. Verify package dimensions match existing footprints to avoid mechanical interference.
