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Product Detailed Parameters
- Description：CMC 25MH 1A 2LN TH
- Series：SSR
- Mfr：KEMET
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：360mOhm
- 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：25 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSR21NH-10250 is a single-channel common mode choke designed for AC line filtering applications. It features an inductance of 25 mH measured at a test frequency of 10 kHz and supports a maximum DC current of 1 A. The component has a maximum DC resistance (DCR) of 360 mOhms and is rated for 250 VAC. It utilizes through-hole mounting with dimensions of 3.5 mm length, 16 mm width, and 27 mm height. The operating temperature range spans from -25 °C to +120 °C.
Feature Summary
- Provides common mode noise suppression for AC power lines
- Supports through-hole PCB mounting for secure installation
- Operates within a wide temperature range up to 120 °C
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 specific suffix and manufacturer part number against official KEMET documentation to ensure compatibility with design requirements. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer. Check for any product change notices or end-of-life announcements prior to finalizing procurement decisions.
Selection Notes
Select this component when a 25 mH inductance and 1 A current rating are required for common mode noise attenuation. Ensure the PCB layout accommodates the specified through-hole footprint dimensions. Verify that the operating environment remains within the -25 °C to +120 °C temperature range and that the 250 VAC voltage rating meets the circuit specifications.
Part Context
This component belongs to the KEMET SSR21NH series of AC line filters. These chokes are engineered for common mode interference suppression in single-phase AC applications. The series offers various inductance and current ratings to suit different power line filtering needs while maintaining compact physical profiles for PCB integration.
Replacement Considerations
The part is also identified by the alias UALN21H1025000. When substituting, verify that alternative components match the 25 mH inductance, 1 A current rating, and through-hole package dimensions to ensure mechanical and electrical compatibility.
