The CDBA140L-G is a surface mount Schottky Barrier Rectifier from Comchip Technology. This diode is designed for high-frequency applications requiring efficient rectification, low forward voltage drop, and fast switching speeds. It's commonly used in various electronic circuits to perform functions such as voltage clamping, reverse polarity protection, and as a rectifier in power supplies.
Applications
- Switching Mode Power Supplies (SMPS): Used as a rectifier in the secondary side to convert AC to DC efficiently.
- DC-DC Converters: Employed in DC-DC converters for efficient voltage conversion.
- Reverse Polarity Protection: Protects circuits from damage due to incorrect polarity connection.
- Voltage Clamping: Limits voltage to a safe level in sensitive electronic circuits.
- Free-wheeling Diode: Used in inductive load circuits to prevent voltage spikes when the current is switched off.
Features
- Low Forward Voltage Drop: Minimizes power loss and increases efficiency.
- High Surge Current Capability: Provides robust performance under surge conditions.
- Fast Switching Speed: Suitable for high-frequency applications.
- Surface Mount Package: Facilitates automated assembly and compact design.
- RoHS Compliant: Ensures environmental compliance.
Benefits
- Improved Efficiency: The low forward voltage drop minimizes power dissipation, leading to higher overall efficiency in power conversion circuits.
- Enhanced Reliability: The high surge current capability ensures the diode can withstand transient surges, improving the reliability of the application.
- Compact Design: The surface mount package allows for smaller and more compact circuit designs.
- Simplified Assembly: Surface mount technology simplifies the assembly process, reducing manufacturing costs.
- Environmental Compliance: RoHS compliance ensures the product meets environmental regulations.
Technical Specifications
The CDBA140L-G typically features a maximum repetitive peak reverse voltage (VRRM) of 40V and a maximum average forward rectified current (IF(AV)) of 1A. Its low forward voltage (VF) ensures minimal power loss, and its fast reverse recovery time (trr) makes it ideal for high-frequency applications. The device is typically available in a small surface mount package, such as a SMA or similar, for efficient heat dissipation and ease of assembly.
