EV20-1.2-02-3M3

Overview

The EV20-1.2-02-3M3 is a common mode choke from the Schaffner EV series, designed for vertical PCB mounting via through-hole termination. It features an inductance of 3.3 mH and a maximum DC current rating of 1.2 A. The component has a maximum DC resistance of 460 mOhms and operates within a temperature range of -40°C to +100°C. Its physical dimensions are 21.00 mm in length, 16.00 mm in width, with a height of approximately 20 mm.

Feature Summary

• Vertical orientation design for efficient printed circuit board space utilization
• Through-hole termination style ensuring secure mechanical attachment
• Ferrite core construction providing effective electromagnetic interference suppression

Applications

• EMI/EMC filtering in medical device power supplies
• RFI suppression in computer hardware components
• General purpose noise reduction in electronic circuits requiring 250VAC to 3000VAC isolation ratings

Procurement Notes

Verify the manufacturer designation carefully, as TE Connectivity acquired Schaffner EMC. Confirm that the part number EV20-1.2-02-3M3 matches the required 3.3 mH inductance and 1.2 A current rating. Ensure the vertical through-hole package fits the target PCB layout constraints before procurement.

Selection Notes

Select this component when vertical mounting is preferred to minimize board footprint area. The 1.2 A current rating suits moderate power applications. Verify that the 460 mOhms DC resistance aligns with system efficiency requirements. Ensure the operating temperature range meets the environmental conditions of the final assembly.

Part Context

This component belongs to the Schaffner EV series of common mode chokes. These parts are engineered for general EMI suppression tasks. The series offers various inductance and current combinations. The EV20 variant specifically denotes the vertical form factor within this product line.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided documentation. Cross-referencing with other Schaffner RN or EV series parts requires verifying identical electrical parameters and mechanical dimensions.