HCTSM80304BAL-E

Overview

The HCTSM80304BAL-E is a surface mount pulse transformer from the Bourns HCT series, designed for isolation and data interface applications. It features a 3:4 turns ratio and a primary inductance of 300 µH with a voltage-time product of 11 Vµs. The component supports secondary current ratings up to 350 mA peak and operates within a temperature range of -40°C to +125°C. Measuring 12.3 mm x 10.8 mm x 6.5 mm, it is AEC-Q200 qualified for automotive reliability.

Feature Summary

• Encapsulated design providing high clearance and creepage distance for enhanced safety
• AEC-Q200 qualification ensuring robust performance in demanding automotive environments
• Surface mount construction optimized for automated PCB assembly processes

Applications

• Automotive Ethernet physical layer interfaces
• Isolated data communication bus systems
• High-speed signal transmission in vehicle networks

Procurement Notes

Verify that the specific suffix 'E' corresponds to the required RoHS compliance status and packaging configuration as defined by the manufacturer. Confirm that the AEC-Q200 qualification meets the specific automotive grade requirements of the target application before finalizing procurement orders.

Selection Notes

Select this component when a 3:4 turns ratio and 300 µH inductance are required for isolated data interfaces. Ensure the operating temperature range of -40°C to +125°C aligns with system thermal constraints. Verify that the 350 mA peak current rating satisfies the signal drive requirements of the connected transceiver circuitry.

Part Context

This part belongs to the HCTSM8 series of high-clearance pulse transformers manufactured by Bourns Inc. These components are specifically engineered for board-mount applications requiring reliable signal isolation. The series is characterized by its encapsulated construction and suitability for high-reliability sectors such as automotive electronics.

Replacement Considerations

The HCTSM80308BAL-E shares similar physical dimensions and electrical characteristics but utilizes a different 3:8 turns ratio. Verify that the specific turns ratio requirement of the circuit design matches the replacement component to ensure proper signal integrity.