SCR-020-0R55A250JH

Overview

The KEMET SCR-020-0R55A250JH is a through-hole common mode filter choke designed for line filtering applications. It features an inductance of 25 mH and supports a maximum DC current of 2 A. The component exhibits a maximum DC resistance of 200 mOhms and operates within a temperature range of -25°C to +120°C. Measuring 29 mm in length, 27 mm in width, and 23 mm in height, it utilizes horizontal mounting. The unit weighs 23 grams and is tested at a frequency of 10 kHz.

Feature Summary

• Provides common mode noise suppression for power lines
• Supports high DC current capacity with low impedance
• Designed for robust operation across wide temperature ranges

Applications

• Power supply input filtering
• EMI suppression in electronic equipment
• Line filter circuits

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct specifications. Confirm package type and mounting style requirements match design constraints. Check RoHS compliance status if required by project standards. Validate operating temperature limits against environmental conditions. Ensure inductance and current ratings meet circuit demands before procurement.

Selection Notes

Select this component when common mode noise reduction is required for AC or DC lines carrying up to 2 A. The 25 mH inductance provides effective filtering at standard test frequencies. Consider the physical dimensions for board space allocation. Verify thermal management capabilities given the 120°C maximum operating temperature. Evaluate DCR impact on voltage drop in the specific application circuit.

Part Context

This component belongs to the KEMET SCR series of common mode chokes. These devices are engineered for EMI/RFI suppression in various electronic systems. The series offers through-hole options for reliable mechanical attachment. They serve as critical passive elements in power integrity and signal cleanliness designs.

Replacement Considerations

UAL20R55A250J0 is listed as an alias for this part number. Verify electrical parameters and physical dimensions before substitution. Ensure compatibility with existing PCB footprints and mounting requirements.