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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 3A DO214AA
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 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 @ 20 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 CDBB320-G is a Schottky barrier rectifier manufactured by Comchip Technology, designed for surface-mount applications. It features a DO-214AB (SMB) package and utilizes silicon technology. The device supports a continuous forward current of 3A and withstands a repetitive peak reverse voltage of 20V. Key electrical characteristics include a maximum forward voltage drop of 500mV at rated current and a low reverse leakage current of 500µA. It handles an 80A non-repetitive forward surge current and operates reliably within a junction temperature range up to +175°C.
Feature Summary
- Low forward voltage drop for improved power efficiency
- High surge current capability for robust performance
- Fast switching action with minimal recovery charge
Applications
- DC-DC converters
- Power supply circuits
- Free-wheeling diodes in inductive loads
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status directly with Comchip Technology or authorized distributors before procurement. Confirm that the DO-214AB package dimensions match your PCB footprint requirements. Ensure the operating environment does not exceed the specified maximum junction temperature limits during design validation.
Selection Notes
Select this component when a high-current Schottky rectifier is required in a compact SMB package. The 20V rating suits low-voltage DC conversion systems. Consider the thermal management capabilities of the PCB layout, as the 3A continuous current rating depends on adequate heat dissipation through the copper traces connected to the device terminals.
Part Context
This part belongs to Comchip Technology's CDBB series of surface-mount Schottky diodes. The series is engineered for general-purpose rectification in space-constrained designs. Comchip Technology specializes in discrete semiconductors, including diodes and MOSFETs, serving industrial and consumer electronics markets with certified quality standards.
Replacement Considerations
Check for direct equivalents from other manufacturers offering identical 3A/20V specifications in the DO-214AB package. Verify pinout compatibility and thermal resistance values to ensure seamless integration without redesigning the surrounding circuitry.
