ZXLF-K312H+

Overview

The ZXLF-K312H+ is a reflectionless low-pass filter from Mini-Circuits, designed for signal conditioning in RF and IF applications. It operates from DC to 3530 MHz with a bandwidth of 2850 MHz. The component features a 50 Ohm impedance and utilizes an SMD/SMT surface mount package. It supports board mounting and functions within a temperature range of -40°C to +85°C. The device incorporates a novel topology that absorbs stop-band signals, ensuring stable performance across telecommunications, military, and satellite systems.

Feature Summary

• Reflectionless design utilizing a novel topology to absorb and terminate stop-band signals
• Broadband operation covering frequencies from DC up to 3530 MHz
• Surface-mount construction suitable for automated board assembly processes

Applications

• Telecommunications infrastructure
• Military and defense systems
• Fixed satellite communication links

Procurement Notes

Verify the exact datasheet revision and electrical specifications against the manufacturer's official documentation before integration. Confirm that the surface-mount footprint matches the PCB layout requirements. Ensure environmental ratings meet the operational temperature constraints of the final assembly. Cross-reference part numbers to avoid confusion with similar series components.

Selection Notes

Select this component when a low-pass filter with reflectionless characteristics is required to prevent signal re-reflection in sensitive RF chains. It is appropriate for designs needing broadband attenuation above 3530 MHz while maintaining system stability. Consider the surface-mount form factor for compact circuit board layouts requiring high reliability in harsh environments.

Part Context

Mini-Circuits specializes in RF, IF, and microwave signal processing devices. The ZXLF-K312H+ belongs to their line of reflectionless filters, which address common impedance mismatch issues found in traditional filter designs. This product line supports various industries including wireless communications, industrial control, and medical electronics through standardized high-quality manufacturing.

Replacement Considerations

Consult official Mini-Circuits substitution guides for verified alternatives. Do not assume generic low-pass filters are compatible due to unique reflectionless topology requirements.