CHF190104KEBF500L

Overview

The Bourns CHF190104KEBF500L is a high-frequency RF termination resistor designed for chassis mounting. It features a 50 Ohm resistance with a 5% tolerance and a robust 1kW power rating. The device operates within a frequency range of 0Hz to 1GHz, ensuring signal integrity in RF applications. Key electrical specifications include a maximum Voltage Standing Wave Ratio (VSWR) of 1.25 and a maximum continuous input power of 60dBm. Constructed from thick film composition, it utilizes a tin/silver terminal finish. The component measures 9.1mm in height and is housed in the 190104 Flat Box Terminator package.

Feature Summary

• Engineered for high-frequency RF environments with operation up to 1GHz
• Provides stable 50 Ohm impedance matching for transmission lines
• Capable of handling high power loads with a 1kW rating
• Features low VSWR for minimal signal reflection

Applications

• RF circuit termination and load testing
• High-frequency signal path stabilization
• Power measurement equipment terminations

Procurement Notes

Verify the specific manufacturer part number against official Bourns documentation to confirm the 1kW power rating and 190104 package dimensions. Ensure compatibility with chassis mounting requirements and thermal management needs for high-power RF applications. Cross-reference technical datasheets for precise VSWR and frequency response characteristics before integration.

Selection Notes

Select this component for applications requiring high-power dissipation in RF systems. The 50 Ohm value is standard for impedance matching. Consider the chassis mount form factor for heat dissipation. Verify that the 1GHz frequency limit meets system bandwidth requirements. The thick film construction offers durability for industrial use.

Part Context

This part belongs to Bourns' RF termination series, specifically the Flat Box Terminator line. These components are designed for robust performance in demanding RF environments. The 190104 package provides a standardized footprint for easy integration into test fixtures and communication hardware.

Replacement Considerations

Consult official Bourns substitution guides for compatible RF terminations. Verify equivalent power ratings, impedance values, and frequency ranges when sourcing alternatives.