CX2040LNL

Balun Overview

The CX2040LNL is a surface-mount RF balun transformer manufactured by Pulse Electronics. It operates within a frequency range of 1 MHz to 500 MHz and provides a 1:1 impedance transformation ratio. The component features a 75-ohm primary-to-secondary impedance configuration, suitable for wideband applications. It utilizes an SMD/SMT termination type and is housed in a compact 5-SMD module package. The device supports a maximum operating temperature of +85°C and a minimum operating temperature of -40°C, ensuring reliability across standard industrial temperature ranges.

Balun Feature Summary

• Provides balanced-to-unbalanced signal conversion with a 1:1 ratio
• Operates as a wideband RF transformer from 1 MHz to 500 MHz
• Designed for surface-mount assembly in compact modules

Balun Applications

• RF signal path balancing in communication systems
• Wideband impedance matching networks
• Audio and signal transformer circuits requiring 75-ohm interfaces

Balun Procurement Notes

Verify the specific datasheet revision and mechanical dimensions against the target PCB footprint before integration. Confirm that the 5-SMD package orientation matches the design layout requirements. Ensure the operating environment remains within the specified -40°C to +85°C temperature range to maintain performance integrity. Cross-reference the manufacturer part number with authorized distributor listings to ensure authenticity and traceability.

Balun Selection Notes

Select this component when a 1:1 impedance transformation is required for frequencies up to 500 MHz. The 75-ohm specification makes it appropriate for systems interfacing with coaxial cables or 75-ohm transmission lines. Consider the SMD form factor for automated assembly processes. Evaluate thermal constraints to ensure the -40°C to +85°C rating aligns with the application's environmental conditions.

Balun Part Context

This component belongs to the CX series of audio and signal transformers produced by Pulse Electronics. These devices are categorized under RF transformers and are designed for high-frequency signal processing. The series offers various impedance ratios and frequency ranges to support diverse electronic circuit requirements.

Balun Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.