HCTSM80910BAL-E

Overview

The Bourns HCTSM80910BAL-E is a board-mount power transformer designed for surface mount applications. It features a 9:10 turns ratio and an inductance of 300 uH. The device supports peak secondary currents of 350 mA and operates within a voltage range of 3.3-5V to 3.3-15V. Physical dimensions are 12.3 mm in length, 10.8 mm in width, and 6.5 mm in height. It is qualified under AEC-Q200 standards and functions reliably between -40 C and +125 C.

Feature Summary

• High clearance and creepage distance design for enhanced safety isolation
• Toroid core construction providing high coupling efficiency and low radiation
• AEC-Q200 qualification ensuring automotive-grade reliability and durability

Applications

• Automotive electronic systems requiring isolated power conversion
• Industrial control circuits needing robust pulse transformers
• Power supply modules adhering to IEC 60950-1 and IEC 62368-1 standards

Procurement Notes

Verify the specific suffix designation against official Bourns documentation to ensure correct variant selection. Confirm that the AEC-Q200 qualification aligns with target automotive or industrial application requirements. Check physical footprint compatibility with PCB layout constraints before integration.

Selection Notes

Select this component when high isolation clearance and low electromagnetic radiation are critical. The toroid core structure offers superior coupling compared to standard planar designs. Ensure the operating temperature range meets environmental demands and that the 350 mA peak current rating satisfies load requirements.

Part Context

This part belongs to the HCTSM8 series of high clearance transformers from Bourns. These components are engineered for compact surface mount implementations where space and isolation performance are prioritized. The series supports various voltage ratios tailored for diverse power delivery architectures.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.