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Product Detailed Parameters
- Description：CMC 47.5MH 1A 2LN TH
- Series：SSR
- Mfr：KEMET
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：580mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.906" L x 0.906" W (23.00mm x 23.00mm)
- Height (Max)：0.571" (14.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：47.5 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSR21NH-M10475 is a through-hole common mode filter choke designed for AC line filtering applications. It features an inductance of 47.5 mH and supports a maximum DC current of 1 A. The component has a minimum DC resistance of 0.58 Ohms and operates within a temperature range of -25°C to +120°C. Rated for 250 VAC, it utilizes a single-channel configuration with dimensions of 23 mm width, 14.5 mm height, and 3.5 mm length.
Feature Summary
- Provides common mode noise suppression for AC power lines
- Supports high-temperature operation up to 120°C
- Designed for reliable PCB mounting via through-hole termination
Applications
- AC line input filtering in electronic equipment
- EMI suppression in power supply circuits
- Common mode noise reduction in single-phase AC systems
Procurement Notes
Verify the manufacturer part number SSR21NH-M10475 against official KEMET documentation to ensure authenticity. Confirm that the component meets required RoHS compliance standards for your specific region. Check datasheet specifications for thermal derating curves if operating near the maximum temperature limit. Ensure PCB layout accommodates the specified through-hole pitch and physical dimensions.
Selection Notes
Select this component when a 47.5 mH inductance value is required for common mode noise attenuation at 1 A current levels. Consider the 0.58 Ohm DC resistance for voltage drop calculations in the circuit design. Verify that the 250 VAC rating aligns with the system's line voltage requirements. Ensure the through-hole package fits the available PCB real estate and manufacturing capabilities.
Part Context
This component belongs to the KEMET SSR21NH-M series of common mode chokes. These filters are engineered for general-purpose EMI suppression in AC power applications. The series offers various inductance values tailored to different current and noise requirements while maintaining consistent physical footprints for design flexibility.
Replacement Considerations
Cross-reference with other KEMET SSR21NH-M variants such as SSR21NH-M18164 or SSR21NH-M30064 if different inductance or current ratings are needed. Ensure any substitute maintains the same through-hole package and voltage rating to preserve mechanical and electrical compatibility.
