PH9385.038NLT

Overview

The PH9385.038NLT is a surface-mount pulse transformer from the PH9385 series, manufactured by Pulse Electronics. It features a push-pull configuration with a turns ratio of 3:8 and an inductance of 2.6 mH. The component provides high isolation voltage of 4000 Vrms and supports RS-485 communication applications. Its physical dimensions are 16.00 mm in length, 17.00 mm in width, and a maximum height of 7.50 mm. The device operates within a temperature range of -40°C to +125°C and complies with RoHS3 standards.

Feature Summary

• High isolation voltage rating of 4000 Vrms for enhanced safety
• Push-pull topology optimized for RS-485 communication interfaces
• Surface mount package design for automated assembly integration

Applications

• RS-485 communication circuits
• Industrial data bus isolation
• Network interface modules

Procurement Notes

Verify the specific datasheet version and electrical parameters against the manufacturer's official documentation before implementation. Confirm that the 4000 Vrms isolation rating meets the system's safety requirements. Ensure the surface mount footprint matches the PCB layout specifications. Check for any recent product change notifications regarding material composition or manufacturing location changes.

Selection Notes

Select this component when designing isolated RS-485 transceivers requiring high common-mode rejection and robust galvanic isolation. The 3:8 turns ratio suits specific impedance matching needs for long-distance serial communication. Consider the operating temperature range and thermal dissipation characteristics for enclosed industrial environments. Evaluate the physical size constraints relative to other available transformers in the same series.

Part Context

This part belongs to the PH9385 series of high isolation transformers designed for digital communication protocols. The series includes variants with different turns ratios and inductance values to accommodate various network speeds and impedance requirements. These components are engineered for reliability in harsh industrial settings where signal integrity and electrical safety are critical.

Replacement Considerations

Compatible substitutes include PH9385.027NLT and PH9385.045NLT. Verify that alternative parts match the required turns ratio, inductance, and isolation voltage specifications. Ensure the replacement maintains the same surface mount package dimensions and pin configuration to avoid PCB redesign.