W3F11A2218AT1A

Overview

The W3F11A2218AT1A is a surface-mount feed-through capacitor from the KYOCERA AVX W3F 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 a current rating of 300 mA. It utilizes C0G (NP0) dielectric material for stable performance across temperatures ranging from -55°C to +125°C. The component is housed in a 1206 (3216 metric) package, measuring 3.2 mm in length, 1.6 mm in width, and 1.27 mm in height. It exhibits a maximum DC resistance of 600 mOhms.

Feature Summary

• Three-terminal feed-through design providing low parallel inductance and broad frequency response for effective high-frequency noise suppression.
• C0G (NP0) ceramic dielectric ensures minimal capacitance variation over temperature and voltage changes.
• Low equivalent series resistance (ESR) supports efficient power line filtering applications.

Applications

• Surface mount feed-through filters for alternate energy systems
• Component solutions for smart meter applications

Procurement Notes

Verify the specific ordering suffix against official datasheets to confirm package dimensions and termination specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration into manufacturing processes. Ensure compatibility with standard SMT reflow profiles for the 1206 form factor.

Selection Notes

Select this component when a three-terminal feed-through topology is required for superior high-frequency attenuation compared to standard two-terminal capacitors. The 1206 footprint offers a balance between current handling capability and board space efficiency. Verify that the 300 mA current rating meets the circuit's operational demands.

Part Context

This part belongs to the W3F series of surface-mount feed-through capacitors. These components are engineered for high-current applications requiring robust EMI/RFI suppression. The series is characterized by its multilayer ceramic construction and standardized metric packaging sizes.

Replacement Considerations

W3F11A2218AT1A is listed as a parameter-equivalent substitute for W3F11A2218AT1F.

FAQ

What is the temperature coefficient of the dielectric material?

The capacitor uses C0G (NP0) dielectric, which provides a near-zero temperature coefficient for stable capacitance values.

How many terminals does the W3F11A2218AT1A have?

It is a three-terminal device, featuring two ground terminals and one signal/power terminal.