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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 2A DO214AA
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：2A
- Voltage - Forward (Vf) (Max) @ If：400 mV @ 2 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：500 µA @ 40 V
- Capacitance @ Vr, F：30pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-214AA, SMB
- Supplier Device Package：DO-214AA (SMB)
- Operating Temperature - Junction：-50°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The CDBB240SLR-HF is a Schottky barrier rectifier manufactured by Comchip Technology, designed for surface-mount applications. It features a silicon epitaxial planar chip with a metal-silicon junction, housed in an SMB (DO-214AA) package. The device supports a repetitive reverse voltage of 40V and a continuous forward current of 2A. Key electrical parameters include a maximum forward voltage drop of 500mV at rated current and a low reverse leakage current of 1mA. It withstands a forward surge current of 50A and operates within a temperature range of -55°C to +150°C.
Feature Summary
- Ultra-low forward voltage drop for high efficiency
- High surge current capability
- Guarding against overvoltage conditions
- Lead-free construction compliant with MIL-STD-19500/228
Applications
- Low profile surface mounted power supplies
- Reverse polarity protection circuits
- Clamping and free-wheeling diodes
- DC-DC converters
Procurement Notes
Verify the specific suffix 'LR' against the manufacturer's official datasheet to confirm tape-and-reel packaging specifications. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Confirm RoHS compliance status through the latest product compliance documentation provided by Comchip Technology before finalizing procurement.
Selection Notes
Select this component when a compact SMB package is required for 2A Schottky rectification. The 40V rating suits low-voltage DC systems. Consider the 150°C junction temperature limit for thermal management. Compare the 500mV forward voltage against alternative packages like SOD-123 if board space permits lower current ratings.
Part Context
This part belongs to the CDB series of Schottky Barrier Rectifiers from Comchip Technology. The series utilizes batch process design to ensure excellent power dissipation and thermal resistance. These devices are engineered for applications requiring low power loss, ultra-high-speed switching, and efficient guarding for overvoltage protection in modern electronic assemblies.
Replacement Considerations
Publicly confirmed substitute part numbers for CDBB240SLR-HF were not identified in the provided source material. Verify compatibility with generic SMB 40V 2A Schottky diodes only after cross-referencing specific electrical tolerances and pinout configurations with the official datasheet.
