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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 3A DO214AB
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：400 mV @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：500 µA @ 20 V
- Capacitance @ Vr, F：250pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-214AB, SMC
- Supplier Device Package：DO-214AB (SMC)
- Operating Temperature - Junction：-50°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The CDBC320LR-HF is a Schottky barrier rectifier manufactured by Comchip Technology, designed for surface-mount applications in the DO-214AB (SMC) package. It features a maximum DC reverse voltage of 20 V and an average rectified forward current of 3 A. The device exhibits a maximum forward voltage of 400 mV at 3 A and a reverse leakage current of 500 µA at 20 V. Capacitance is specified as 380 pF at 4 V and 1 MHz. It operates within a temperature range suitable for general industrial use.
Feature Summary
- Utilizes Schottky technology to minimize power loss and enhance conversion efficiency
- Designed for high-speed switching with fast recovery characteristics
- Constructed in a compact SMC surface-mount package for automated assembly
Applications
- DC-DC converters
- Power supply circuits
- Free-wheeling diodes in inductive loads
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status as manufacturing transitions may affect certification documentation. Ensure storage conditions adhere to semiconductor handling standards to prevent moisture sensitivity damage prior to reflow soldering processes.
Selection Notes
Select this component when low forward voltage drop is critical for efficiency at 3 A loads. The 20 V rating suits low-voltage output stages. Verify thermal management requirements for the SMC package under continuous operation. Consider obsolescence status if long-term production support is required for the design lifecycle.
Part Context
This part belongs to Comchip's discrete semiconductor portfolio, specifically their Schottky rectifier line. The manufacturer specializes in surface-mount diodes with gold termination options for enhanced reliability. This specific model targets applications requiring robust performance in compact form factors compared to through-hole alternatives.
Replacement Considerations
Check datasheets for equivalent parts offering identical 20 V/3 A ratings in DO-214AB packages. Verify pinout compatibility and thermal resistance values before substitution.
