W2F11A2218AT1A

Overview

The W2F11A2218AT1A is a surface-mount feedthrough capacitor from the KYOCERA AVX W2F series. It features a capacitance of 220 pF with a tolerance of -20% to +50%. The device has a DC voltage rating of 100 V and utilizes C0G (NP0) dielectric material. Designed for high-current applications, it supports a rated current of 300 mA and maintains a maximum DC resistance of 600 mOhms. The component operates within a temperature range of -55°C to +125°C. It is housed in an 0805 (2012 metric) package with four terminals.

Feature Summary

• Three-terminal feedthrough architecture providing integrated filtering capabilities
• C0G (NP0) dielectric construction ensuring stable electrical performance across temperature variations
• High-current handling capability suitable for power line noise suppression
• Surface-mount design compatible with automated assembly processes

Applications

• Smart meter internal circuitry protection
• Alternate energy system power conditioning
• Industrial equipment signal integrity maintenance

Procurement Notes

Verify the specific suffix 'T1A' against official datasheets to confirm tape-and-reel packaging specifications. Ensure the -20%/+50% tolerance aligns with circuit requirements. Confirm RoHS3 compliance status through manufacturer documentation before integration into regulated assemblies.

Selection Notes

Select this component when space-constrained designs require effective high-frequency noise attenuation on power lines. The 0805 footprint offers a balance between current capacity and board area efficiency. Consider the 300 mA rating to ensure adequate margin for operational loads without exceeding thermal limits.

Part Context

This part belongs to the W2F series of surface-mount feedthrough capacitors. These components are engineered for compact electronic systems requiring robust electromagnetic interference suppression. The series integrates capacitor functionality directly into the mounting structure, reducing parasitic inductance compared to discrete solutions.

Replacement Considerations

W2F11A2218AT1F is documented as a parameter-equivalent alternative within the same series.