HCTSM80803AAL-E

Overview

The HCTSM80803AAL-E is a surface mount power transformer from Bourns, designed for board mounting in automotive applications. It features a single primary and single secondary winding with an 8:3 turns ratio. The component operates within a temperature range of -40°C to +125°C and utilizes solder termination. Key electrical specifications include an inductance of 250 µH and a peak current rating of 350 mA. It supports input voltages of 3.3V to 5V and output voltages of 3.3V to 15V. The device is encapsulated and complies with RoHS standards.

Feature Summary

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

Applications

• Automotive power supply circuits
• Isolated data interface systems
• Board-mounted signal transformation

Procurement Notes

Verify the specific suffix 'E' against the manufacturer's datasheet to confirm compliance with environmental directives such as RoHS. Ensure that the 250 µH inductance and 8:3 turns ratio align with the target circuit requirements. Confirm that the surface mount footprint matches the PCB layout constraints. Validate the operating temperature range suitability for the intended application environment before finalizing procurement.

Selection Notes

Select this component when high isolation voltage and automotive reliability are required. The 8:3 turns ratio suits specific step-up or step-down conversion needs within the defined voltage ranges. Consider the 250 µH inductance value for impedance matching in pulse transformer applications. Ensure the surface mount form factor fits the available board space and manufacturing capabilities.

Part Context

This part belongs to the HCT Series of high clearance and creepage transformers by Bourns. These components are engineered for demanding environments, particularly within the automotive sector. The series emphasizes robust isolation and compact sizing, making them suitable for modern electronic control units where space and safety margins are critical design factors.

Replacement Considerations

Direct substitutes may include other Bourns HCT series variants with compatible turns ratios and inductance values. Verify pinout compatibility and physical dimensions before substitution. Cross-reference with AEC-Q200 certified alternatives if sourcing from different manufacturers. Ensure thermal characteristics match the original design specifications.