LP12-450B3

Power Transformers Overview

The LP12-450B3 is a semi-toroidal power transformer manufactured by Pulse Electronics, designed for through-hole mounting. It features dual secondary windings supporting parallel and series configurations. The unit provides 6VA capacity with primary voltage of 115VAC at 50/60Hz. Secondary outputs include parallel 6.3V at 900mA and series 12.6V at 450mA. Physical dimensions are 47.63mm length by 39.67mm width. It holds UL and CSA certifications.

Power Transformers Feature Summary

• Semi-toroidal core construction for efficient magnetic coupling
• Dual secondary windings enabling flexible parallel or series connection options
• Through-hole termination style for secure board integration

Power Transformers Applications

• General purpose AC to DC power supply circuits
• Industrial control system power distribution
• Consumer electronics internal power conversion

Power Transformers Procurement Notes

Verify the specific manufacturing date code against current production status as this component may be classified as obsolete in certain distributor catalogs. Confirm that the required insulation ratings and thermal performance meet the target application's safety standards before finalizing procurement orders. Ensure compatibility with existing PCB footprint requirements.

Power Transformers Selection Notes

Select this model when a compact semi-toroidal design is required for low-frequency power applications. The dual secondary configuration allows designers to choose between higher current parallel operation or higher voltage series operation. Verify that the physical size constraints of the enclosure accommodate the specified length and width dimensions.

Power Transformers Part Context

This component belongs to the Pulse Electronics power transformer lineup, specifically utilizing semi-toroidal geometry. It serves as an alternative to standard laminated transformers where space efficiency and lower profile are prioritized. The part number indicates specific winding ratios and VA rating within the manufacturer's catalog structure.

Power Transformers Replacement Considerations

Direct substitutes may include other semi-toroidal transformers from Pulse Electronics with identical 6VA ratings and matching secondary voltage/current specifications. Cross-reference physical dimensions and pinout configurations to ensure mechanical compatibility without redesigning the printed circuit board layout.