PH9085.043NLT

Overview

The PH9085.043NLT is a surface-mount isolation transformer from Pulse Electronics, designed for high-isolation applications. It features a maximum inductance of 1.16 mH and supports up to 253 Vrms isolation voltage. The component utilizes a gull-wing termination style with six terminals, suitable for automated assembly processes. Its physical dimensions are 8.10 mm in length, 7.10 mm in width, and a maximum height of 5.08 mm. This device is RoHS compliant and operates within standard commercial temperature ranges.

Feature Summary

• Provides high electrical isolation between circuits for signal integrity
• Designed specifically for RS-485 and RS-232 communication interfaces
• Utilizes surface-mount technology for compact board integration

Applications

• RS-485 communication bus systems
• RS-232 serial data transmission lines
• Industrial control network isolation

Procurement Notes

Verify the specific datasheet version against the manufacturer's official documentation before finalizing design specifications. Confirm that the 253 Vrms isolation rating meets the safety requirements of the target application environment. Ensure compatibility with the specified SMD footprint dimensions during PCB layout validation.

Selection Notes

Select this component when high isolation voltage is required for differential signaling protocols like RS-485 or RS-232. Consider the 1.16 mH inductance value for impedance matching needs. Evaluate the small form factor against available board space constraints. Verify thermal performance under expected operating loads.

Part Context

This part belongs to the PH9085 series of SMT isolation transformers from Pulse Electronics. The series is characterized by high isolation capabilities and compact surface-mount packaging. These components are engineered to provide reliable signal coupling while maintaining electrical separation in noisy industrial environments.

Replacement Considerations

Consult the official PH9085 Series Selection Guide for verified substitute part numbers. Cross-reference pin configurations and isolation ratings carefully. Do not assume interchangeability without validating mechanical and electrical parameters against the original specification.

FAQ

What is the primary function of the PH9085.043NLT?

It serves as an isolation transformer for RS-485 and RS-232 communication interfaces.

Does this component support surface-mount assembly?

Yes, it uses a gull-wing SMD termination style for surface mounting.