CDBER40-HF

Overview

The CDBER40-HF is a Schottky barrier rectifier manufactured by Comchip Technology. It features a maximum repetitive reverse voltage (VRRM) of 40 V and an average forward rectified current (IF) of 200 mA. The device utilizes a silicon epitaxial planar chip with a metal-silicon junction, housed in a compact SOD-723F surface-mount package. Key electrical parameters include a maximum forward voltage drop (VF) of 550 mV at 200 mA and a low reverse leakage current (IR) of 1 µA at 10 V. It supports a peak forward surge current (IFSM) of 2 A and operates within a junction temperature range of -55°C to +125°C.

Feature Summary

• Ultra-low forward voltage drop for high efficiency
• High surge current capability
• Low profile surface mount design

Applications

• Power supply rectification
• DC-DC converter circuits
• Reverse polarity protection

Procurement Notes

Verify the specific suffix 'HF' indicates lead-free compliance per MIL-STD-19500/228 standards. Confirm the package designation matches the required footprint, as variations exist between similar part numbers like CDBER40 without the suffix. Ensure RoHS certification documentation is available from the manufacturer for regulatory compliance checks before finalizing procurement orders.

Selection Notes

Select this component when a compact Schottky diode is required for low-voltage, low-current applications. The 40V rating suits systems with moderate voltage spikes. The SOD-723F package is ideal for space-constrained PCB designs. Compare thermal resistance requirements against other series if high-power dissipation is anticipated, as this model prioritizes low forward voltage over high current handling.

Part Context

This component belongs to Comchip Technology's Schottky diode portfolio, designed for general-purpose rectification. It complements other series like CDBWL and CDBU by offering a balance of speed and low voltage drop in a small form factor. The product line emphasizes batch process design for consistent performance in consumer and industrial electronics.

Replacement Considerations

Direct substitutes may include other 40V 200mA Schottky diodes in SOD-723F packages. Verify pinout compatibility and thermal characteristics. Generic equivalents must match the 550mV max VF and 1µA IR specifications to ensure circuit performance remains unchanged.