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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 3A DO214AA
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：500 mV @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：500 µA @ 40 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：DO-214AA, SMB
- Supplier Device Package：DO-214AA (SMB)
- Operating Temperature - Junction：125°C (Max)
- Grade：-
- Qualification：-
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Overview
The CDBB340-G is a Schottky barrier rectifier manufactured by Comchip Technology, designed for surface-mount applications. It features a single diode configuration within a DO-214AA-2 (SMB) package. The device supports a repetitive reverse voltage of 40V and an average forward current of 3A. Key electrical characteristics include a maximum forward voltage drop of 0.55V at rated current and a low reverse leakage current of 0.5mA. It withstands a forward surge current of 80A and operates reliably across a temperature range from -55°C to +125°C.
Feature Summary
- Utilizes silicon epitaxial planar chip technology with metal-silicon junction construction for robust performance.
- Provides ultra-high-speed switching capabilities suitable for high-frequency rectification tasks.
- Features low forward voltage drop to minimize power loss and enhance overall system efficiency.
- Offers high surge current capability to protect circuits against transient overcurrent events.
Applications
- DC-to-DC converter output rectification
- Free-wheeling diodes in inductive load circuits
- Polarity protection in power supply inputs
Procurement Notes
Verify the specific suffix 'G' corresponds to the required halogen-free or environmental compliance status as defined by Comchip Technology's current nomenclature standards. Confirm that the DO-214AA-2 footprint matches the target PCB design. Ensure the 40V rating provides sufficient margin for the application's peak inverse voltage requirements.
Selection Notes
Select this component when a 40V blocking voltage and 3A continuous current capacity are required in a compact SMB package. Consider the 0.55V forward voltage for thermal management calculations. Compare against higher voltage variants like the CDBB360-G if system noise margins require increased reverse voltage tolerance.
Part Context
This part belongs to the CDBB series of Schottky Barrier Rectifiers from Comchip Technology. These devices are engineered for general-purpose rectification in consumer electronics and industrial equipment. The series emphasizes low profile packaging and high reliability, aligning with automotive and industrial quality standards such as AEC-Q101 where applicable.
Replacement Considerations
Direct substitutes include the CDBB340-HF, which shares identical electrical specifications but may differ in halogen-free certification. Other compatible options within the same voltage and current class include the CDBB360-G for higher voltage headroom.
