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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 6A DPAK
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：6A
- Voltage - Forward (Vf) (Max) @ If：550 mV @ 6 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：500 µA @ 40 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：DPAK
- Operating Temperature - Junction：-50°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The CDBD640-G is a Chip Schottky Barrier Rectifier manufactured by Comchip Technology, housed in a TO-252/DPAK surface-mount package. It features a repetitive peak reverse voltage of 40 V and a continuous forward rectified current of 6.0 A. The maximum forward voltage is specified at 0.75 V when conducting 6.0 A, while the reverse leakage current reaches 0.5 mA at 100°C under rated reverse voltage conditions. Thermal resistance from junction to ambient is 56 °C/W, with an operating temperature range spanning -55°C to +125°C.
Feature Summary
- Utilizes batch process design for improved power dissipation and thermal resistance.
- Employs silicon epitaxial planar chip technology with metal silicon junctions.
- Provides ultra high-speed switching capabilities for efficient operation.
- Offers guarding against overvoltage protection scenarios.
Applications
- Low profile surface mounted applications requiring optimized board space
- High efficiency power conversion circuits
- Overvoltage protection systems
Procurement Notes
Verify the specific datasheet revision QW-BB032 REV:A matches your requirements. Confirm that the TO-252/DPAK package dimensions align with your PCB footprint layout. Ensure environmental compliance standards are met if lead-free certification is mandatory for your assembly process.
Selection Notes
Select this component when a 40 V reverse voltage rating and 6.0 A continuous current capacity are required in a compact DPAK form factor. Consider its low forward voltage drop for efficiency gains. Evaluate thermal management needs based on the 56 °C/W junction-to-ambient resistance value for your specific enclosure constraints.
Part Context
This device belongs to the CDBD series of Schottky Barrier Rectifiers produced by Comchip Technology. The series spans various voltage ratings from 20 V to 100 V, all sharing similar mechanical characteristics and performance profiles within the TO-252/DPAK package family.
Replacement Considerations
Compatible substitutes include other 40 V, 6 A Schottky diodes in the TO-252/DPAK package. Verify pinout compatibility and ensure equivalent or superior thermal and electrical specifications before implementation.
FAQ
What is the maximum non-repetitive forward surge current?
The maximum non-repetitive forward surge current is 75 A for an 8.3 ms single half-sine wave superimposed on the rated load.
Does the CDBD640-G meet environmental standards?
Yes, the lead-free parts meet the environmental standards of MIL-STD-19500/228.
