PA1253NL

Overview

The PA1253NL is a surface mount pulse transformer manufactured by Pulse Electronics, designed for high-frequency signal coupling and impedance matching. It features an encapsulated construction with a primary inductance of 253.4 µH. The component utilizes a flyback topology suitable for board-mount applications. It supports a turns ratio configuration of 1:0.0625:0.271, facilitating efficient data interface isolation. The device is engineered for reliable performance in compact electronic systems requiring precise signal transmission.

Feature Summary

• Encapsulated surface mount design for secure PCB integration
• Flyback transformer topology optimized for signal coupling
• Specific turns ratio configuration for impedance matching

Applications

• High-frequency signal coupling circuits
• Impedance matching networks
• Data interface isolation modules

Procurement Notes

Verify the specific manufacturer part number against official distributor catalogs to ensure authenticity. Confirm that the component matches the required encapsulation type and pin configuration for your circuit design. Check for any recent product change notifications or engineering changes that may affect specifications. Ensure compliance with relevant environmental standards such as RoHS before finalizing procurement orders.

Selection Notes

Select this component when a surface mount pulse transformer with a 253.4 µH inductance is required. Consider the 1:0.0625:0.271 turns ratio for appropriate voltage transformation needs. Evaluate the physical footprint constraints to ensure compatibility with the printed circuit board layout. Assess the operating frequency range to confirm suitability for the intended signal coupling application.

Part Context

This component belongs to the Pulse Electronics family of power transformers and inductors. It is categorized under board-mount pulse transformers, specifically utilizing a flyback design. The series includes various configurations tailored for different isolation and data interface requirements within modern electronic assemblies.

Replacement Considerations

The PA1253NLT is listed as a related variant from the same manufacturer. Verify if the suffix indicates a specific tape-and-reel packaging option or minor specification adjustment compared to the standard tray-packaged PA1253NL before substitution.