DSB30C45HB

Diode Arrays Overview

The IXYS DSB30C45HB is a dual Schottky rectifier diode array housed in a TO-247AD-3 package. It features a common cathode configuration with two independent 15A channels, providing a total average forward current of 30A. The device supports a maximum repetitive reverse voltage of 45V and exhibits a typical forward voltage of 0.58V at rated current. With a low junction capacitance and fast switching characteristics, it operates within a temperature range of -55°C to +150°C, ensuring reliable performance in high-efficiency power conversion applications.

Diode Arrays Feature Summary

• Dual channel architecture with common cathode connection for efficient space utilization
• Low forward voltage drop to minimize conduction losses and improve system efficiency
• Robust thermal management capabilities via the TO-247AD leaded package
• High surge current handling capacity suitable for demanding industrial loads

Diode Arrays Applications

• DC-DC converter output rectification
• Free-wheeling diodes in synchronous buck converters
• Power factor correction (PFC) circuits
• Solar charge controller rectification stages

Diode Arrays Procurement Notes

Verify the specific ordering suffix and tape/reel versus tube packaging options directly with the manufacturer or authorized distributors. Confirm that the requested variant matches the required RoHS compliance status and marking codes. Ensure the procurement channel provides valid traceability documentation for quality assurance purposes before finalizing the purchase order.

Diode Arrays Selection Notes

Select this component when designing circuits requiring dual isolated outputs or common ground references with moderate voltage ratings. The 45V breakdown voltage limits suitability to low-voltage DC systems. Evaluate thermal resistance requirements against the expected ambient temperature and PCB copper area to ensure junction temperatures remain within safe operating limits during continuous operation.

Diode Arrays Part Context

This device belongs to the IXYS Schottky diode family, characterized by ultra-fast recovery times and low leakage currents. It serves as a discrete semiconductor solution for modern power electronics, replacing traditional PN junction rectifiers to reduce switching losses. The product line emphasizes energy efficiency and compact form factors for next-generation power supply designs.

Diode Arrays Replacement Considerations

Direct pin-compatible substitutes may include other dual Schottky arrays from manufacturers such as Vishay or STMicroelectronics with matching 45V/30A specifications. Verify equivalent forward voltage curves and thermal impedance values to ensure circuit stability without redesigning the heat sink or layout.

Diode Arrays FAQ

What is the peak non-repetitive surge current rating?

The DSB30C45HB can withstand a peak non-repetitive surge current of up to 240A under specified conditions.

Is the internal structure configured as common anode or common cathode?

The device utilizes a common cathode configuration, where both diode cathodes are connected to a single terminal.