H168XHXS

Overview

The H168XHXS is a surface-mount high-pass RF filter manufactured by Knowles Dielectric Labs. It operates with a cutoff frequency of 16.8 GHz and provides a bandwidth of 10.5 GHz. The component features a 50 Ohm impedance and an insertion loss of 1.75 dB. Designed for board mounting, it utilizes a 2-SMD, no-lead package configuration. The device supports a minimum operating temperature of -55°C and a maximum operating temperature of +125°C.

Feature Summary

• Delivers sharp signal attenuation below the 16.8 GHz cutoff frequency
• Constructed within a fully shielded, small-footprint SMT package
• Utilizes high-dielectric material technology for performance stability

Applications

• RF signal conditioning in microwave circuits
• High-frequency communication systems requiring bandpass filtering
• Shielded electronic assemblies operating at elevated temperatures

Procurement Notes

Verify the specific datasheet version for the H168XHXS to confirm mechanical dimensions and electrical tolerances prior to integration. Ensure compatibility with standard SMT reflow profiles given the no-lead package design. Cross-reference the manufacturer's latest documentation for any updates regarding RoHS compliance status or recommended soldering practices to maintain signal integrity during assembly.

Selection Notes

Select this component when a precise 16.8 GHz high-pass characteristic is required in a compact form factor. The 50 Ohm impedance matches standard RF transmission lines. Consider the 1.75 dB insertion loss and thermal range (-55°C to +125°C) against system requirements. The shielded SMT design aids in minimizing electromagnetic interference in dense PCB layouts compared to unshielded alternatives.

Part Context

This part belongs to the Knowles Dielectric Labs high-pass filter series, designed for radio frequency applications. It shares the brand's focus on miniaturized, shielded components using high-dielectric materials. Similar models in the lineup include the H182XHXS and H168XHXS-T, which offer varying cutoff frequencies while maintaining comparable SMT packaging and shielding characteristics for consistent integration.

Replacement Considerations

The H168XHXS-T is a documented variant of this component, typically indicating a tape-and-reel packaging option rather than a functional change. Verify that substitute parts match the 16.8 GHz cutoff, 50 Ohm impedance, and physical footprint to ensure circuit compatibility without redesign.