EXC-34CE121U

Common Mode Chokes Overview

The EXC-34CE121U is a surface-mount common mode choke from the Panasonic EXC34CG/CE series. It features a ferrite core and unshielded design in a 0805 (2012 Metric) package with four terminals. Key electrical parameters include an impedance of 120 Ohms at 100 MHz, a maximum DC current rating of 200 mA, and a maximum DC resistance of 1 Ohm with a 25% tolerance. The component operates within a temperature range of -40°C to +85°C.

Common Mode Chokes Feature Summary

• Four-terminal SMD configuration for compact PCB integration
• Ferrite core construction for effective noise suppression
• Unshielded design suitable for standard layout applications

Common Mode Chokes Applications

• Signal line noise filtering in portable electronics
• EMI suppression for high-speed data interfaces
• Common mode noise reduction in consumer devices

Common Mode Chokes Procurement Notes

Verify the specific manufacturer part number against official Panasonic Industry documentation to ensure accuracy. Confirm that the required impedance value and current ratings align with the target circuit design specifications before procurement.

Common Mode Chokes Selection Notes

Select this component based on its 120 Ohm impedance at 100 MHz and 200 mA current handling capability. Ensure the 0805 footprint fits the available board space and that the operating temperature range meets environmental requirements.

Common Mode Chokes Part Context

This device belongs to the EXC34CG/CE series of common mode chokes manufactured by Panasonic Industry. It is categorized under passive components, specifically inductors, chokes, and coils, designed for surface-mount technology applications requiring noise filtration.

Common Mode Chokes Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.