HCTSM80403AAL-E1

Overview

The HCTSM80403AAL-E1 is a board-mount power transformer from the Bourns HCTSM8 series, designed for surface mount applications. It features a 4:3 turns ratio and an inductance of 250 uH. The device supports secondary current ratings of 350 mA peak and operates within a voltage-time product of 11 V/us. Physical dimensions are 12.3 mm in length, 10.8 mm in width, and 6.5 mm in height, with a unit weight of 1.277 g. It is qualified to AEC-Q200 standards and functions reliably between -40 C and +125 C.

Feature Summary

• High clearance and creepage distance design for enhanced isolation safety
• Automotive-grade qualification compliant with AEC-Q200 reliability standards
• Surface mount construction optimized for automated PCB assembly processes

Applications

• Isolated DC-DC converter modules
• Automotive electronic control units
• Industrial power supply interfaces

Procurement Notes

Verify component authenticity through authorized distribution channels due to obsolete lifecycle status. Confirm datasheet revisions match specific production batches. Ensure storage conditions adhere to moisture sensitivity levels specified in the package information. Validate that substitute components meet identical electrical and mechanical specifications before integration into existing designs.

Selection Notes

Select this component when a 4:3 turns ratio is required for specific voltage transformation needs in isolated power circuits. Consider the compact SMD footprint for space-constrained layouts. Verify thermal management requirements against the maximum operating temperature limit. Ensure compatibility with the target application's input voltage range of 3.3-5V and output range of 3.3-15V.

Part Context

This part belongs to the HCTSM8 series of high-clearance transformers manufactured by Bourns Inc. The series focuses on providing robust isolation for automotive and industrial applications. These components are engineered to withstand harsh environmental conditions while maintaining signal integrity and power transfer efficiency in compact form factors suitable for modern electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. The component lifecycle status is listed as obsolete. Engineers should consult official manufacturer notices for end-of-life guidance or identify equivalent parts based on matching electrical parameters and physical dimensions.