CT0402CSF-22NG

Overview

The CT0402CSF-22NG is a fixed wire-wound inductor manufactured by Central Technologies, designed for surface-mount applications. It features a ceramic core and operates within an inductance range of 0.022 µH (22 nH). The component exhibits a tolerance of ±2% and a DC resistance of 0.3 Ohms. Key electrical parameters include a self-resonant frequency of 250 MHz and a quality factor of 25 at that frequency. It supports a maximum rated current of 0.4 A and functions reliably across a temperature range from -55 °C to +155 °C.

Feature Summary

• Utilizes a wire-wound construction with a ceramic core for stable RF performance
• Offers tight inductance tolerance of ±2% for precision circuit requirements
• Supports high operating temperatures up to 155 °C for robust reliability

Applications

• RF circuits requiring precise inductance values
• High-frequency signal filtering and impedance matching
• General-purpose surface-mount electronic assemblies

Procurement Notes

Verify the specific suffix 'NG' confirms RoHS compliance and lead-free status as per manufacturer documentation. Ensure the ordering code matches the required ±2% tolerance designation. Confirm package dimensions align with standard 0402 footprint requirements for automated placement processes.

Selection Notes

Select this component when a low-profile 0402 form factor is necessary alongside high-temperature stability. The 0.4 A current rating suits moderate power applications. Consider the 250 MHz self-resonant frequency limit to ensure operation remains below the resonant point for intended filter or choke functions.

Part Context

This part belongs to the CT0402CSF series of wire-wound chip inductors from Central Technologies. The series provides various inductance values in the 0402 package size, catering to compact consumer and industrial electronics designs requiring reliable passive components.

Replacement Considerations

Compatible substitutes include other 0402 wire-wound inductors with 22 nH nominal value, ±2% tolerance, and similar current ratings. Verify DCR and SRF specifications match application constraints before substitution.