HM42-10002LFTR

Overview

The HM42-10002LFTR is a surface mount pulse transformer from the HM42 series, manufactured by TT Electronics/BI Magnetics. Designed for gate drive applications, it features a turns ratio of 2:1:1 and an inductance of 300µH. The component provides basic insulation of 1500Vrms between primary and secondary windings. It operates within a temperature range of -40°C to 125°C and has an ET value of 40.4Vµs. Physical dimensions are 6.60mm x 8.10mm with a maximum height of 5.50mm.

Feature Summary

• Provides galvanic isolation with 1500Vrms basic insulation between primary and secondary circuits.
• Optimized for gate drive signal transmission with a 2:1:1 turns ratio configuration.
• Supports high-temperature operation up to 125°C for robust industrial performance.

Applications

• Gate drive signal isolation for power switching devices
• Pulse transformer circuits requiring galvanic isolation
• High-temperature electronic control systems

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status at major distributors. Confirm datasheet revisions and specific lot codes during procurement. Ensure storage conditions comply with moisture sensitivity level requirements prior to assembly. Cross-reference manufacturer part numbers to avoid substitution errors.

Selection Notes

Select this component when 1500Vrms isolation and a 2:1:1 turns ratio are required for gate drive applications. Consider the 300µH inductance and 40.4Vµs ET value for circuit compatibility. Verify surface mount footprint dimensions against PCB layout constraints. Assess thermal management capabilities given the -40°C to 125°C operating range.

Part Context

The HM42 series represents a line of surface mount pulse transformers designed for reliable signal isolation in power electronics. This specific model integrates compact packaging with high voltage isolation capabilities. It serves as a critical interface component between control logic and high-power switching elements in various industrial and commercial applications.

FAQ

What is the basic insulation voltage rating?

The HM42-10002LFTR provides 1500Vrms basic insulation between the primary and secondary windings.

What is the specified turns ratio?

The transformer features a 2:1:1 turns ratio configuration.