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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 1A 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)：1A
- Voltage - Forward (Vf) (Max) @ If：500 mV @ 1 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 CDBB120-G is a surface-mount Schottky Barrier Rectifier manufactured by Comchip Technology. It features a maximum repetitive peak reverse voltage of 20 V and a maximum DC blocking voltage of 20 V. The device supports a maximum average forward current of 1.0 A and can withstand a peak surge forward current of 40 A for an 8.3 ms half-sine wave. The maximum instantaneous forward voltage is 0.5 V at 1.0 A. Thermal resistance from junction to ambient is 0.70 °C/W, while junction to lead is 0.50 °C/W. The operating junction temperature range extends up to +175 °C, with a storage temperature range of -65 to +150 °C.
Feature Summary
- Ideal for surface mount applications with easy pick and place capability
- Plastic package meets Underwriters Lab flammability classification 94V-0
- Built-in strain relief design
- Low forward voltage drop
Applications
- Surface mount rectification in electronic circuits
- Power supply input rectification
- Free-wheeling diodes in switching regulators
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to confirm compliance status and revision level. Ensure that the ordering information matches the exact electrical ratings required for the target application. Cross-reference datasheet revisions to confirm mechanical dimensions and thermal characteristics remain consistent with design specifications.
Selection Notes
Select this component when a low-profile surface-mount Schottky rectifier is required for 20 V reverse voltage applications. The DO-214AA (SMB) package facilitates automated assembly processes. Consider the thermal resistance values and current derating curves to ensure adequate heat dissipation within the specified junction temperature limits under expected load conditions.
Part Context
This component belongs to the CDBB series of SMD Schottky Barrier Rectifiers produced by Comchip Technology. The series offers various voltage ratings ranging from 20 V to 100 V, all sharing a common 1.0 A forward current capability and DO-214AA package form factor. These devices are designed for general-purpose rectification in compact electronic designs requiring high efficiency and reliability.
Replacement Considerations
Direct substitutes include other CDBB series variants such as CDBB140-G or CDBB160-G if higher reverse voltage ratings are acceptable. Verify pinout compatibility and thermal performance before substitution.
