SM91243L-E

Power Transformers Overview

The Bourns SM91243L-E is a surface mount gate driver transformer designed for high-frequency power conversion applications. It features a compact footprint of 17.4 x 10.6 x 8.1 mm and operates at a switching frequency of 500 kHz. The component supports an input voltage range of 10.5 to 13.2 V with an output current capacity of 200 mA. Electrical specifications include a primary inductance of 5.88 μH ±35% measured at 0.1 V and 500 kHz, ensuring reliable signal transmission for driving power switches in demanding electronic circuits.

Power Transformers Feature Summary

• Reinforced insulation architecture for enhanced safety and isolation
• Low capacitance design optimized for high-speed signal integrity
• Compact surface mount form factor suitable for space-constrained layouts

Power Transformers Applications

• Gate driver circuits for power electronics
• High-frequency DC-DC converters
• Isolated power supply designs

Power Transformers Procurement Notes

Verify the specific suffix 'E' against official Bourns documentation to confirm compliance with RoHS directives and halogen-free status. Ensure that the ordering part number matches the exact electrical parameters required for your circuit design, as minor variations may exist within the product family. Cross-reference the datasheet revision date to guarantee access to the most current testing standards and reliability data.

Power Transformers Selection Notes

Select this component when a robust, isolated gate drive solution is required for high-frequency operation. The reinforced insulation and low capacitance characteristics make it suitable for applications prioritizing signal fidelity and electrical safety. Evaluate the physical dimensions against available board space and confirm thermal management requirements for the operating environment.

Power Transformers Part Context

This model belongs to the SM91243 series of gate driver transformers from Bourns Magnetics. These components are engineered to provide reliable isolation between control logic and high-power stages. The series emphasizes compactness and performance, addressing the needs of modern power electronics where size reduction and efficiency are critical design constraints.

Power Transformers Replacement Considerations

Consult official Bourns substitution guides for verified alternatives. Generic replacements may not match the specific insulation reinforcement or capacitance values.