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Product Detailed Parameters
- Description：DIODE SCHOTTKY 45V 15A TO277B
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：45 V
- Current - Average Rectified (Io)：15A
- Voltage - Forward (Vf) (Max) @ If：470 mV @ 15 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：500 µA @ 45 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：TO-277, 3-PowerDFN
- Supplier Device Package：TO-277B
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The CDBHA1545-HF is a surface-mount Schottky barrier rectifier manufactured by Comchip Technology. It features a metal silicon junction with majority carrier conduction, designed for high efficiency and low forward voltage applications. The device is housed in a compact TO-277B package, suitable for small surface mounting. Key electrical specifications include a maximum repetitive peak reverse voltage of 45V and an average forward rectified current of 15A. It offers high surge capability and supports high-temperature soldering at 260°C for 10 seconds.
Feature Summary
- Metal silicon junction utilizing majority carrier conduction for reduced switching losses
- High surge current capability to withstand transient load conditions
- Leadless TO-277B package design optimized for automated surface-mount assembly
Applications
- DC-DC converter output rectification
- Power supply freewheeling diodes
- Reverse polarity protection circuits
Procurement Notes
Verify the specific datasheet revision when sourcing components, as manufacturing updates may occur. Confirm that the TO-277B package dimensions match your PCB footprint requirements precisely. Ensure compatibility with standard reflow soldering profiles up to the specified thermal limits. Check for RoHS compliance documentation if required by your manufacturing standards.
Selection Notes
Select this component when a 15A current rating and 45V blocking voltage are required in a compact form factor. The TO-277B package is preferred over larger through-hole options for space-constrained designs. Consider the low forward voltage drop for improved system efficiency compared to standard PN junction diodes. Evaluate thermal management needs based on the specific ambient temperature and current load conditions.
Part Context
This part belongs to Comchip’s Schottky Diode series, which emphasizes low stored charge and high-speed recovery characteristics. The CDBHA series utilizes advanced semiconductor technology to minimize power loss. These devices are engineered for reliability in industrial and consumer electronics environments requiring robust rectification performance.
Replacement Considerations
Consult official manufacturer substitution guides for verified equivalents. Generic replacements must match the 15A current, 45V voltage, and TO-277B package constraints exactly.
