HM1236NLT

Overview

The HM1236NLT is a surface-mount pulse transformer manufactured by Pulse Electronics. It features a 1:1 turns ratio and an inductance of 500µH. The component supports a high isolation voltage of 3.2kV, ensuring robust electrical separation between circuits. Designed for automotive applications, it holds AEC-Q certification. The device utilizes a surface-mount technology (SMT) package and is supplied in tape and reel format to facilitate automated assembly processes.

Feature Summary

• Provides galvanic isolation with a 1:1 signal transformation ratio
• Certified for automotive reliability standards via AEC-Q qualification
• Engineered for high-voltage insulation up to 3.2kV
• Optimized for automated surface-mount manufacturing workflows

Applications

• Automotive Ethernet physical layer interfaces
• In-vehicle network data transmission systems
• Signal coupling in automotive electronic control units

Procurement Notes

Verify the specific datasheet revision and AEC-Q compliance status directly with Pulse Electronics prior to procurement. Confirm that the surface-mount footprint matches the target PCB design. Ensure supply chain partners provide valid certificates of conformity. Check for any recent product change notifications that may affect mechanical or electrical characteristics. Validate that the tape-and-reel packaging meets storage and handling requirements.

Selection Notes

Select this component when designing automotive networks requiring certified pulse transformers with high isolation capabilities. The 1:1 ratio suits applications needing direct signal coupling without voltage scaling. Consider the SMT form factor for compact board layouts. Verify thermal performance within the specified operating range. Ensure compatibility with the intended PHY chip interface requirements.

Part Context

This part belongs to Pulse Electronics' portfolio of audio and signal transformers. It is categorized under pulse transformers and common mode chokes. The HM1236 series is engineered for demanding environments, specifically targeting automotive connectivity solutions. It complements other components in the manufacturer's LAN transformer lineup.

Replacement Considerations

Consult official substitution guides from Pulse Electronics for verified alternatives. Cross-reference pinouts and electrical specifications carefully. Do not assume interchangeability with similar models without explicit manufacturer confirmation.