DA2303-ALD

Overview

The DA2303-ALD is a surface-mountable isolation power transformer manufactured by Coilcraft. It features a toroidal ferrite core construction designed for high efficiency and compact integration. The unit provides electrical isolation with a primary voltage of 5V and a secondary voltage of 6V, delivering an apparent power rating of 7.2VA. It supports chassis mounting configurations and operates within a temperature range of -40°C to 125°C. The component utilizes RoHS-compliant tin-silver over tin over nickel terminations to ensure reliable soldering and environmental compliance.

Feature Summary

• Toroidal ferrite core construction for efficient magnetic flux containment
• Surface-mountable design compatible with automated assembly processes
• RoHS-compliant tin-silver termination plating for enhanced reliability

Applications

• Chassis-mounted power supply units requiring galvanic isolation
• Industrial control systems utilizing low-voltage AC distribution
• Embedded electronics needing compact isolation barriers

Procurement Notes

Verify the specific ordering suffix to confirm termination type and packaging configuration. Ensure the selected variant matches the required thermal management and mechanical mounting constraints. Cross-reference the datasheet for precise inductance and leakage specifications relevant to the target circuit topology before finalizing procurement orders.

Selection Notes

Select this component when a compact, surface-mountable isolation transformer with a toroidal ferrite core is required. The 5V primary and 6V secondary configuration suits applications needing specific voltage transformation ratios. Consider the operating temperature range and chassis mounting requirements to ensure compatibility with the system's thermal and mechanical design constraints.

Part Context

This part belongs to Coilcraft's SMT Power Transformers series, which focuses on providing high-performance isolation solutions in small form factors. The DA2303-ALD specifically addresses needs for robust magnetic coupling in space-constrained environments while maintaining strict safety isolation standards through its toroidal design.

Replacement Considerations

Consult official Coilcraft documentation for verified equivalent part numbers. Ensure any substitute maintains identical pinout, voltage ratings, and mounting style to guarantee functional compatibility without redesigning the PCB layout.