HCT80803EAL-E

Overview

The Bourns HCT80803EAL-E is an automotive-grade pulse transformer from the HCT8xEAL series, designed for board mount applications. It features a single primary and single secondary winding with an 8:3 turns ratio. The component provides 5.0 kVDC isolation voltage and operates within a temperature range of -40°C to +125°C. Key electrical parameters include 160 µH inductance and a 14 Vµs ET constant. Physical dimensions are 14.2 mm length, 10.6 mm width, and 8 mm height. It utilizes gull-wing SMD termination and holds AEC-Q200 qualification.

Feature Summary

• High clearance and creepage design ensuring robust isolation performance
• Automotive grade reliability certified under AEC-Q200 standards
• Surface mount construction optimized for automated assembly processes

Applications

• Automotive power supply circuits requiring galvanic isolation
• Industrial control systems needing high voltage isolation
• Medical equipment utilizing isolated power conversion stages

Procurement Notes

Verify the specific ordering suffix against official Bourns documentation to ensure correct packaging and variant selection. Confirm that the required isolation voltage and thermal characteristics align with the system design specifications before finalizing procurement orders.

Selection Notes

Select this component when high isolation voltage and wide operating temperature ranges are critical. Ensure the PCB layout supports the specified physical footprint and gull-wing termination style. Verify compatibility with the target switching frequency and load requirements based on the ET constant.

Part Context

This part belongs to the HCT8xEAL series of high clearance transformers manufactured by Bourns Inc. The series is engineered for demanding environments, offering reliable performance in automotive and industrial sectors where strict safety and isolation standards must be met.

Replacement Considerations

Check for direct substitutes within the same HCT8xEAL family with matching turns ratios. Verify equivalent isolation ratings and physical dimensions for any cross-referenced components to ensure mechanical and electrical compatibility.