TSD-1801

Overview

The TSD-1801 is a flyback transformer manufactured by Premier Magnetics, designed for use in AC/DC converters and switch-mode power supplies (SMPS). It provides electrical isolation with an operating frequency range of 47Hz to 440Hz. The component utilizes through-hole mounting technology, ensuring secure integration into printed circuit boards. This transformer is specifically engineered for off-line applications, supporting standard voltage inputs within the 85V to 265V range. It complies with RoHS standards, indicating restricted hazardous substances. The design facilitates efficient energy transfer in isolated power conversion circuits.

Feature Summary

• Designed for off-line switch mode power supply applications
• Provides electrical isolation for AC/DC converter circuits
• Supports through-hole mounting for PCB integration

Applications

• AC/DC converters
• Switch-mode power supplies (SMPS)
• Flyback converter circuits

Procurement Notes

Verify the specific datasheet version from Premier Magnetics or authorized distributors to confirm pinout configurations and insulation ratings. Ensure the selected variant matches the required isolation voltage and thermal performance for the target application. Cross-reference the part number with official manufacturer documentation to validate compliance with current safety standards and environmental regulations before finalizing procurement orders.

Selection Notes

Select the TSD-1801 when designing isolated power stages requiring compatibility with standard off-line topologies. Consider its frequency range and mounting style against board space constraints and thermal management requirements. Verify that the transformer's electrical specifications align with the controller IC's operational parameters to ensure stable performance and reliability in the final power supply design.

Part Context

Premier Magnetics produces electromagnetic components for industrial and consumer electronics. The TSD-1801 belongs to their line of switching transformers intended for high-reliability applications. These components are often utilized in designs targeting global markets due to their adherence to recognized safety standards. The product line emphasizes robust construction suitable for demanding power conversion environments.

Replacement Considerations

Consult official substitution guides from Premier Magnetics for direct replacements. Verify that alternative parts match the isolation voltage, winding ratios, and physical footprint. Ensure any substitute component maintains compatibility with the original controller IC and meets the same regulatory certifications.