12-1500-LPI

Overview

The Signal Transformer 12-1500-LPI is a high-voltage pulse transformer designed for flyback converter applications. It features a primary inductance of 1.5 mH and a turns ratio of 1:1:1. The device supports a maximum operating frequency of 1 MHz with a rated power of 1500 W. Electrical characteristics include a DC resistance of 0.3 ohms on the primary winding and an isolation voltage rating of 3000 Vrms between windings. The unit utilizes a surface-mount package to facilitate automated assembly processes.

Feature Summary

• Engineered for high-frequency flyback converter topologies
• Provides galvanic isolation between circuit sections
• Supports surface-mount technology integration

Applications

• Flyback power supply designs
• High-voltage pulse generation circuits
• Industrial control systems requiring isolated power stages

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required pin configurations and insulation classes. Confirm that the specified voltage ratings meet the safety standards applicable to your target market. Cross-reference the physical footprint dimensions with your PCB layout to guarantee proper placement and soldering integrity during production.

Selection Notes

Evaluate the primary inductance value relative to the desired magnetizing current limits within the switching controller design. Assess the isolation voltage requirements against the system's creepage and clearance distances. Consider the thermal performance capabilities under continuous load conditions to ensure long-term reliability without exceeding junction temperature specifications defined by the component manufacturer.

Part Context

This component belongs to the LPI series of pulse transformers from Signal Transformer, which are optimized for compact, high-efficiency power conversion modules. The series emphasizes robust construction suitable for demanding industrial environments. These components serve as critical energy storage and transfer elements in isolated DC-DC conversion architectures.

Replacement Considerations

Consult official cross-reference lists for direct equivalents. Verify that any substitute part matches the 1.5 mH inductance and 1:1:1 turns ratio precisely. Ensure the replacement maintains the same 3000 Vrms isolation rating and compatible surface-mount package dimensions.