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Product Detailed Parameters
- Description：FILTER RC(PI) 220 OHMS/22PF SMD
- Series：EZAST
- Mfr：Panasonic Electronic Components
- Package：Tape & Reel (TR)
- Type：Low Pass
- Filter Order：4th
- Technology：RC (Pi)
- Number of Channels：4
- Center / Cutoff Frequency：-
- Attenuation Value：-
- Resistance - Channel (Ohms)：220
- Values：R = 220Ohms, C = 22pF
- ESD Protection：No
- Operating Temperature：-25°C ~ 85°C
- Applications：Data Lines for Mobile Devices
- Voltage - Rated：25V
- Mounting Type：Surface Mount
- Package / Case：1608 (4021 Metric), Concave
- Size / Dimension：0.157" L x 0.083" W (4.00mm x 2.10mm)
- Height：0.033" (0.85mm)
- Current：-
- Grade：-
- Qualification：-
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Overview
The Panasonic EZA-ST41AAAJ is a surface-mount RC Pi-filter designed for EMI suppression in mobile device data lines. It features four channels with a resistance of 220 ohms and capacitance of 22pF per channel. The component operates at a rated voltage of 25V DC and supports a temperature range of -25°C to 85°C. Its compact concave package measures 4.00mm x 2.10mm x 0.85mm, utilizing the 1608 metric footprint.
Feature Summary
- Integrates a fourth-order low-pass RC Pi-filter topology for effective high-frequency noise attenuation
- Provides four independent signal channels within a single compact surface-mount package
- Features a concave housing design to optimize board space utilization
Applications
- Data line protection in mobile devices
- EMI suppression for communication systems
- Signal processing circuits requiring noise filtering
Procurement Notes
Verify the specific suffix against official Panasonic documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with existing PCB footprints and thermal management requirements before integration. Cross-reference datasheet revisions to confirm current production status and availability constraints.
Selection Notes
Select this component when designing circuits requiring multi-channel EMI filtering in constrained spaces. The 220-ohm resistance and 22pF capacitance values are optimized for high-speed data lines. Consider the 25V rating and operating temperature range to ensure reliability under intended environmental conditions.
Part Context
This part belongs to the Panasonic EZA-ST series of RC filters. These components are engineered specifically for suppressing electromagnetic interference in portable electronics. The series offers various resistance and capacitance combinations to suit different signal integrity requirements while maintaining a small form factor.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence with other EZA-series variants or comparable RC filters from alternative manufacturers based on specific circuit requirements.
