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Product Detailed Parameters
- Description：NMC 120.0UH 20.0A 0.0180 OHM TH
- Series：SN
- Mfr：KEMET
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：-
- DC Resistance (DCR) (Max)：-
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-25°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：-
- Height (Max)：-
- Package / Case：-
- Inductance @ Frequency：120 µH @ 100 kHz
- Qualification：-
- Grade：-
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Overview
The KEMET SN20P-120H is a through-hole leaded common mode choke belonging to the SN series. It utilizes an iron core material and is designed for AC line filter applications. The component provides an inductance of 120 µH with a maximum DC resistance of 18 mΩ. It supports a continuous DC current rating of 20 A. The device operates within a temperature range of -25°C to +105°C and complies with RoHS standards.
Feature Summary
- Iron core construction for effective magnetic performance
- Through-hole mounting configuration for secure PCB attachment
- High current handling capability suitable for power line filtering
Applications
- AC line filter circuits
- Common mode noise suppression
- Power supply input stages
Procurement Notes
Verify the specific suffix codes against official KEMET documentation to confirm exact electrical tolerances and packaging specifications. Ensure the selected variant matches the required thermal class and current ratings for the target application environment. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and compliance status.
Selection Notes
Select this component when high current capacity and robust mechanical mounting are required for EMI suppression. The iron core offers distinct magnetic properties compared to ferrite alternatives. Evaluate the physical footprint constraints for through-hole implementation. Confirm that the operating temperature range aligns with the system's environmental conditions.
Part Context
This inductor is part of KEMET's SN series, which focuses on high-current power line filtering solutions. The series typically features leaded constructions designed for durability in industrial and commercial power applications. The SN20P-120H specifically addresses scenarios requiring significant current handling alongside common mode noise reduction.
Replacement Considerations
Consult official KEMET substitution guides for verified equivalents. Ensure any replacement maintains the 120 µH inductance, 20 A current rating, and 18 mΩ DC resistance. Verify compatibility with existing board layouts and thermal management requirements.
