PA1477NL

Overview

The PA1477NL is a surface mount pulse transformer manufactured by Pulse Electronics. It features an inductance of 38.3µH and a turns ratio of 8:4:1. The component has primary, secondary, and tertiary winding resistances of 0.072 Ohms, 0.085 Ohms, and 0.23 Ohms respectively. It is designed for power over Ethernet applications.

Feature Summary

• Surface mount construction for automated assembly
• Integrated isolation and data interface capabilities
• Encapsulated design for environmental protection

Applications

• Power over Ethernet (PoE) systems
• Data interface circuits requiring isolation
• Network port signal conditioning

Procurement Notes

Verify the specific datasheet version to confirm electrical tolerances and pinout configurations before integration. Ensure the supplier provides RoHS compliance documentation consistent with current regulatory requirements. Cross-reference the manufacturer part number with authorized distributor catalogs to avoid counterfeit components.

Selection Notes

Select this component when designing PoE interfaces requiring a 38.3µH inductance value. The 8:4:1 turns ratio suits specific voltage step-down or isolation needs. Evaluate thermal performance within the operating temperature range during PCB layout planning.

Part Context

This device belongs to the Pulse Transformers category from Pulse Electronics Power. It serves as a passive magnetic component for high-frequency signal transmission and power delivery in network infrastructure equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.