SM-LP-5001

Overview

The Bourns SM-LP-5001 is a surface mount line matching transformer designed for audio and signal applications. It features a 1:1 turns ratio with primary and secondary impedances of 600 ohms. The component operates within a frequency range of 200 Hz to 4 kHz and provides an insulation voltage of 1.5 kV to 2 kV. Key electrical parameters include an inductance of 3.8 H to 6 mH and a DC resistance of 115 ohms. It utilizes an SMD/SMT termination type in an SMT-6 package, measuring 12.8 mm in length and 9 mm in width. The device supports a minimum operating temperature of -20°C and a maximum of +85°C.

Feature Summary

• Surface mount construction for automated assembly
• Line matching capability with balanced impedance
• High insulation voltage for safety isolation

Applications

• Audio signal transmission lines
• Modem interface circuits
• Instrumentation signal processing

Procurement Notes

Verify the specific suffix (e.g., E) against the required datasheet specifications, as variations may exist in packaging or minor tolerances. Confirm RoHS compliance status and UL certification requirements for the target market. Ensure the selected variant matches the exact inductance and impedance values needed for the circuit design before finalizing the order.

Selection Notes

Select this component when a compact, surface-mount solution is required for balancing audio or data signals. The 600-ohm impedance matches standard telecommunication and professional audio line levels. Consider the physical dimensions and thermal operating range to ensure compatibility with the PCB layout and environmental conditions of the end product.

Part Context

This part belongs to the SM-LP series of specialty transformers manufactured by Bourns Electronic Solutions. The series focuses on surface-mount line matching transformers intended for high-reliability applications. These components are engineered to provide efficient signal transfer while maintaining electrical isolation between circuit stages.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official Bourns resources or authorized distributors for cross-reference information regarding compatible alternatives.