CX2039LNL

Balun Overview

The CX2039LNL is a single-channel RF transformer manufactured by Pulse Electronics, designed for surface-mount applications. It operates within a frequency range of 4.5 MHz to 1.5 GHz and features a 1:1 impedance ratio with both primary and secondary coils rated at 50 ohms. The component measures 3.81 mm in length and width, with a height of 2.794 mm, housed in a compact SMD package. It supports a current rating of 30 mA and functions reliably across an operating temperature range from -40°C to +85°C.

Balun Feature Summary

• Provides balanced-to-unbalanced signal conversion for RF applications
• Supports wideband operation from 4.5 MHz to 1.5 GHz
• Features a compact 5-SMD module footprint for space-constrained designs

Balun Applications

• RF signal processing circuits
• Wireless communication systems
• Audio and signal transformer interfaces

Balun Procurement Notes

Verify the specific manufacturer part number against official datasheets to ensure compatibility with design requirements. Confirm that the surface-mount package dimensions and thermal characteristics align with the target PCB layout. Check for any recent product change notices or end-of-life announcements from Pulse Electronics before finalizing procurement plans.

Balun Selection Notes

Select this component when a 50-ohm to 50-ohm RF transformation is required within the specified frequency band. Ensure the design accommodates the 30 mA current rating and the operational temperature limits. Consider the physical size constraints relative to the 3.81 x 3.81 mm footprint during PCB layout planning.

Balun Part Context

This component belongs to the audio and signal transformers category from Pulse Electronics. It serves as an RF balun, facilitating signal integrity in high-frequency circuits. The device is distinct from general-purpose transformers due to its specific impedance matching and wideband frequency response capabilities tailored for RF environments.

Balun Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official distributor channels or manufacturer resources for potential alternatives if this specific model is unavailable.