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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 1A DO214AC
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：400 mV @ 2 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 mA @ 40 V
- Capacitance @ Vr, F：120pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-214AC, SMA
- Supplier Device Package：DO-214AC (SMA)
- Operating Temperature - Junction：-50°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The CDBB140SLR-HF is a Schottky barrier rectifier manufactured by Comchip Technology. It features a 40V maximum repetitive reverse voltage and a 1A average forward current rating. The device utilizes a DO-214AC (SMA) surface-mount package. Key electrical specifications include a typical forward voltage drop of approximately 500mV at rated current and a low reverse leakage current of 1mA at 40V. It is designed for high-efficiency power conversion applications requiring fast switching speeds.
Feature Summary
- Super low forward voltage characteristics for enhanced efficiency
- Ultra-fast switching capability with minimal recovery charge
- Guarding against overvoltage transients in sensitive circuits
Applications
- DC-DC converter output rectification
- Power supply freewheeling diodes
- Reverse polarity protection circuits
Procurement Notes
Verify the specific suffix 'LR' against the manufacturer's latest datasheet to confirm packaging configuration, as standard part numbers may differ from reel-specific variants. Ensure the component meets RoHS compliance requirements for your assembly process. Cross-reference the DO-214AC footprint dimensions with your PCB design library to guarantee mechanical compatibility during placement.
Selection Notes
Select this component when a low-profile SMA package is required for 40V applications. The low forward voltage drop makes it suitable for low-voltage output stages where minimizing power loss is critical. Consider the thermal resistance of the SMA package for heat dissipation needs in high-current environments compared to smaller packages like SOD-923F.
Part Context
This part belongs to Comchip Technology's CDBB series of Super Low VF Schottky Barrier Rectifiers. The series is characterized by silicon epitaxial planar chips and metal-silicon junctions. These devices are engineered to provide better reverse leakage current performance and thermal resistance compared to standard Schottky diodes, supporting efficient power management designs.
Replacement Considerations
Direct substitutes within the same series include CDBB140-G or CDBB140SL-HF, provided the package and electrical ratings match. Verify that any replacement maintains the DO-214AC footprint and 40V/1A specifications. Check if alternative manufacturers offer equivalent SMA-packaged Schottky diodes with comparable forward voltage and reverse leakage characteristics.
