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Product Detailed Parameters
- Description：CMC 54MH 500MA 2LN TH
- Series：SS
- Mfr：KEMET
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：2.4Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.807" L x 0.650" W (20.50mm x 16.50mm)
- Height (Max)：0.965" (24.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：54 mH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SS21V-R050540 is a single-channel common mode choke designed for AC line filtering applications. It features an inductance of 54 mH measured at 1 kHz and supports a maximum DC current of 500 mA with a maximum DC resistance of 2.4 Ohms. Rated for 250 VAC, the component operates within a temperature range of -25°C to +120°C. It utilizes through-hole PCB mounting and measures 3.5 mm in length, 16.8 mm in width, and 24.5 mm in height.
Feature Summary
- Provides common mode noise suppression for AC power lines
- Designed for high reliability in standard industrial environments
- Constructed with self-extinguishing resin meeting UL 94 V-0 requirements
Applications
- AC power line filtering in electronic equipment
- Noise suppression in industrial control systems
- EMI reduction in consumer electronics power supplies
Procurement Notes
Verify the manufacturer part number SS21V-R050540 against official KEMET documentation to ensure authenticity. Confirm that the required specifications, including 54 mH inductance and 500 mA current rating, align with your circuit design needs. Check for RoHS compliance status as indicated in the latest datasheet revisions before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring common mode chokes for AC line protection. Ensure the operating environment stays within the specified -25°C to +120°C temperature range. Verify that the PCB layout accommodates the through-hole package dimensions and that the 2.4 Ohm DC resistance does not exceed voltage drop limits for the 500 mA load current.
Part Context
This component belongs to the KEMET SS21V series of common mode filters. The series is engineered for AC line applications, offering standardized performance for noise suppression. The SS21V-R050540 variant specifically targets circuits requiring 54 mH inductance at 500 mA, providing a reliable solution for EMI mitigation in power supply inputs.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult KEMET technical support or authorized distributors for verified cross-references based on specific electrical and mechanical constraints.
