CT0805HQF-18NJ

Fixed Inductors Overview

The CT0805HQF-18NJ is a surface-mount general purpose inductor manufactured by Central Technologies. It features a nominal inductance of 0.018 µH with a tolerance of ±5%. The component operates within a temperature range of -40 °C to 125 °C and has a maximum rated current of 0.3 A. Its DC resistance is 0.7 Ω, and it achieves a minimum quality factor of 8 at the test frequency. The self-resonant frequency is specified at 2200 MHz. This RoHS-compliant device utilizes a ceramic core and wire-wound construction in an 0402 package.

Fixed Inductors Feature Summary

• RoHS compliant lead-free construction for environmental safety
• High Q factor performance optimized for RF applications
• Ceramic core wire-wound design for stability

Fixed Inductors Applications

• RF circuit filtering
• General purpose signal processing
• Impedance matching networks

Fixed Inductors Procurement Notes

Verify compliance status as this specific suffix indicates RoHS compliance. Confirm package dimensions match 0402 footprint requirements. Ensure operating temperature range meets system specifications. Check DC resistance values against circuit load requirements. Validate self-resonant frequency suitability for target application bandwidth.

Fixed Inductors Selection Notes

Select this component when low inductance values are required in compact spaces. Consider the 0402 package size for high-density PCB layouts. Evaluate the 0.3 A current rating against peak load conditions. Compare quality factor metrics with alternative series for RF efficiency needs.

Fixed Inductors Part Context

This part belongs to the CT0805HQF series, which represents high-quality wire-wound inductors with ceramic cores. The series offers various inductance values from 2.5 nH to 51 nH. The 'F' suffix denotes RoHS compliance, distinguishing it from standard leaded versions. Central Technologies provides this series for applications requiring stable inductance in small form factors.

Fixed Inductors Replacement Considerations

Direct substitutes include other CT0805HQF series variants with different inductance values. Cross-reference with CT0805HTF series for similar electrical characteristics but potentially different tolerance codes. Verify package compatibility before substitution.