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Product Detailed Parameters
- Description：CMC 487.5UH 20A 2LN TH
- Series：SC-J
- Mfr：KEMET
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：20A
- DC Resistance (DCR) (Max)：3.6mOhm
- Voltage Rating - DC：250V
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.417" L x 0.984" W (36.00mm x 25.00mm)
- Height (Max)：1.378" (35.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：487.5 µH @ 100 kHz
- Qualification：-
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Overview
The KEMET SC-20-05J-P is a common mode choke from the SC-J series designed for power line filtering. It features a toroidal core construction with nickel-zinc ferrite material, providing high inductance and permeability for effective noise suppression. The component supports a maximum DC current of 20A and operates within a temperature range of -25°C to +105°C. It utilizes a through-hole mounting style with four pins and has a rated voltage of 250V AC/DC. The inductance value is 487.5 µH at 10 kHz, with a typical DCR of 3.6 mΩ.
Feature Summary
- Toroidal core design utilizing nickel-zinc ferrite material for enhanced magnetic performance
- High current handling capability suitable for demanding power supply applications
- Through-hole termination for secure PCB integration
Applications
- Switch-mode power supply (SMPS) input filtering
- AC/DC converter EMI suppression
- Industrial power equipment noise reduction
Procurement Notes
Verify the exact part number against manufacturer documentation as availability may vary. Confirm that the 20A rating and 487.5 µH inductance meet specific circuit requirements. Check for RoHS compliance status and ensure the through-hole footprint matches the target PCB layout. Validate operating temperature limits for the intended environment.
Selection Notes
Select this component when high current capacity is required alongside moderate inductance values. The toroidal geometry offers compact size relative to performance. Ensure the application voltage does not exceed 250V. Consider thermal management given the 20A continuous current rating and associated resistive losses.
Part Context
Part of the KEMET SC-J series, which focuses on common mode chokes for power lines. This series emphasizes high permeability and saturation characteristics. The SC-20-05J-P specifically targets higher current applications compared to lower-rated variants in the same family.
Replacement Considerations
SC-20-05J is a related variant; verify if the 'P' suffix indicates specific packaging or tolerance differences. Cross-reference with other SC-J series parts for similar inductance and current ratings if direct substitution is needed.
