PH9385.013NLT

Overview

The PH9385.013NLT is a surface-mount isolation transformer from Pulse Electronics, designed for RS-485 communication applications. It features a push-pull configuration with a turns ratio of 1:3 and an inductance of 2.6 mH. The component provides high isolation voltage of 4000 Vrms and meets AEC-Q200 automotive qualification standards. Its physical dimensions are 17 mm in length, 13 mm in width, and 7.5 mm in height, utilizing gull-wing SMD terminals.

Feature Summary

• Provides high electrical isolation rated at 4000 Vrms for signal integrity
• Optimized specifically for RS-485 communication interface circuits
• Complies with AEC-Q200 automotive reliability qualification standards

Applications

• RS-485 communication bus interfaces
• Automotive electronic control units requiring isolated signaling
• Industrial data transmission systems

Procurement Notes

Verify the specific part number against official Pulse Electronics documentation to confirm the 1:3 turns ratio and 4000 Vrms isolation rating. Ensure the selected variant matches the required RS-485 application context and that the component meets AEC-Q200 automotive standards if deployed in vehicle electronics. Cross-reference datasheet specifications for terminal configuration and mounting style compatibility.

Selection Notes

Select this component when designing isolated RS-485 transceivers requiring high common-mode rejection and robust insulation. The 1:3 turns ratio supports specific impedance matching requirements for differential signaling. Consider the 7.5 mm profile for board space constraints and verify thermal performance within the -40 C to +125 C operating range for industrial or automotive environments.

Part Context

This model belongs to the PH9385 series of high-isolation transformers manufactured by Pulse Electronics. The series is characterized by its suitability for harsh environments and compliance with automotive quality standards. It serves as a critical passive component for galvanic isolation in serial communication protocols, distinguishing itself through high voltage withstand capabilities and compact surface-mount packaging.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence regarding isolation voltage, inductance, and turns ratio before considering alternative components.