W2F11A2208AT1A

Overview

The W2F11A2208AT1A is a surface-mount feedthrough capacitor from the KYOCERA AVX W2F series. It features a capacitance of 22 pF with a tolerance of -20% to +50%. The device is rated for 100 V DC and operates within a temperature range of -55°C to +125°C using C0G (NP0) dielectric. It has a maximum DC resistance of 600 mOhms and a current rating of 300 mA. The component is housed in an 0805 (2012 metric) package with four terminals, measuring 2.01 mm in length, 1.25 mm in width, and 1.14 mm in height.

Feature Summary

• Provides effective electromagnetic interference filtering through a three-terminal feedthrough architecture.
• Utilizes C0G (NP0) dielectric material for stable capacitance performance across wide temperature variations.
• Designed for high-reliability applications with AEC-Q200 automotive qualification.

Applications

• Smart meter internal circuitry protection
• Automotive electronic control unit power line filtering
• High-frequency signal decoupling in compact PCB layouts

Procurement Notes

Verify the specific suffix against official datasheets to confirm terminal configuration and packaging type. Ensure compatibility with reflow soldering profiles specified by the manufacturer. Confirm RoHS3 compliance status for regulatory adherence. Cross-reference the manufacturer part number with authorized distributor listings to avoid counterfeit components. Validate that the selected variant meets the required thermal and electrical specifications for the target environment.

Selection Notes

Select this component when space-constrained designs require high-performance EMI suppression in an 0805 footprint. The C0G dielectric ensures minimal capacitance drift under varying voltage and temperature conditions. Consider the 300 mA current rating for power line applications where moderate surge currents are expected. Verify that the 600 mOhm DCR aligns with system loss requirements. Evaluate the four-terminal pad layout for optimal grounding and signal integrity during PCB design.

Part Context

This component belongs to the W2F series of single-layer ceramic feedthrough capacitors manufactured by KYOCERA AVX. These devices are engineered for surface-mount technology and offer superior high-frequency noise attenuation compared to standard multilayer capacitors. The series is widely utilized in automotive and industrial sectors due to its robust construction and compliance with stringent automotive quality standards.

Replacement Considerations

W2F11A2208AT1F is documented as a parameter-equivalent substitute.

FAQ

What is the temperature coefficient of the W2F11A2208AT1A?

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

Is this component qualified for automotive applications?

Yes, the W2F11A2208AT1A is AEC-Q200 qualified for automotive use.