ZX75BP-140-S+

Overview

The ZX75BP-140-S+ is a lumped LC bandpass filter manufactured by Mini-Circuits, designed for RF signal conditioning applications. It operates within a frequency range of 130 MHz to 150 MHz with a center frequency of 140 MHz and a bandwidth of 20 MHz. The component features a 50 Ohm impedance and utilizes SMA connectors for board mounting. Key electrical specifications include a maximum insertion loss of 3.5 dB and typical stopband rejection of 45 dB. It is compliant with RoHS and REACH standards.

Feature Summary

• Utilizes lumped LC technology for precise bandpass filtering characteristics
• Provides high stopband rejection to minimize out-of-band interference
• Features robust SMA connectorized packaging for reliable integration

Applications

• RF signal conditioning in communication systems
• Intermediate frequency (IF) filtering in receivers
• Test and measurement equipment signal processing

Procurement Notes

Verify the specific datasheet version to confirm exact insertion loss and return loss values, as these can vary slightly between production batches. Ensure that the SMA connector polarity matches your system requirements. Confirm RoHS compliance status if required for your manufacturing process. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a narrow 20 MHz bandwidth centered at 140 MHz is required. The 50 Ohm impedance ensures compatibility with standard RF transmission lines. Consider the 3.5 dB insertion loss budget for your link design. The connectorized package simplifies prototyping compared to surface-mount alternatives. Evaluate thermal performance if operating near the upper temperature limits.

Part Context

This model belongs to the ZX75BP series of lumped LC bandpass filters from Mini-Circuits. These filters are engineered for general-purpose RF applications requiring stable performance across varying temperatures. The series offers various center frequencies while maintaining consistent impedance and connector types. This specific variant targets the VHF band for specialized filtering needs.

Replacement Considerations

Direct substitutes may include other Mini-Circuits models within the ZX75BP series with similar center frequencies. Verify mechanical dimensions and connector compatibility before replacing. Alternative technologies such as ceramic resonators may offer different performance profiles but require circuit redesign.