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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 3A DO214AB
- 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：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 CDBC340-HF is a surface-mount Schottky barrier rectifier manufactured by Comchip Technology. It features a DO-214AB (SMC) package with a maximum repetitive peak reverse voltage of 40 V and an average forward rectified current of 3 A. The device exhibits a low forward voltage drop of 500 mV at 3 A and a maximum reverse leakage current of 500 µA at 40 V. It supports a forward surge current of up to 80 A and operates within a junction temperature range of -50°C to +150°C.
Feature Summary
- Utilizes silicon epitaxial planar chip technology for robust performance.
- Features a low profile SMC package designed for efficient surface mounting.
- Provides high efficiency through low forward voltage drop characteristics.
- Offers high surge capability to withstand transient current events.
Applications
- General purpose rectification in power supply circuits
- Reverse polarity protection in electronic systems
- Clamping and freewheeling applications in DC-DC converters
Procurement Notes
Verify the specific ordering suffix matches the required packaging format, such as tape and reel or cut tape, as availability varies by distributor. Confirm RoHS compliance status and environmental certifications against current manufacturer documentation before finalizing procurement specifications.
Selection Notes
Select this component when a 40 V rating and 3 A continuous current capacity are required in a compact SMC footprint. Ensure the application demands low forward voltage characteristics typical of Schottky diodes rather than standard PN junction rectifiers. Validate thermal management requirements against the specified junction temperature limits.
Part Context
This part belongs to Comchip Technology's discrete semiconductor product line, specifically categorized under Schottky diodes and rectifiers. It is designed for surface mount technology (SMT) assembly processes, offering an alternative to through-hole solutions in modern electronics manufacturing where space constraints and automated placement are critical factors.
Replacement Considerations
Publicly confirmed substitute part numbers include B340-13-F from Diodes Incorporated and SL44-M3/57T from Vishay General Semiconductor. Verify pinout compatibility and electrical parameter equivalence before substitution.
FAQ
What is the maximum operating junction temperature for the CDBC340-HF?
The maximum operating junction temperature is +150°C.
Does the CDBC340-HF meet RoHS standards?
Yes, the device is compliant with RoHS3 specifications.
