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Product Detailed Parameters
- Description：CMC 11.5MH 1.2A 2LN TH
- Series：SSR21HS
- Mfr：KEMET
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1.2A
- DC Resistance (DCR) (Max)：270mOhm
- Voltage Rating - DC：250V
- Voltage Rating - AC：-
- 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：11.5 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSR21HS-12115 is a through-hole common mode choke filter designed for AC line applications. It features an inductance of 11.5 mH and supports a maximum DC current of 1.2 A. The component has a maximum DC resistance of 270 mOhms and operates within a temperature range of -25 °C to +120 °C. Rated for 250 VAC, it utilizes horizontal mounting with lead diameters of 0.8 mm. Physical dimensions are 23 mm in length and width, with a height of unspecified vertical clearance.
Feature Summary
- Dual-mode filtering capability for AC line noise suppression
- Horizontal through-hole construction for PCB integration
- High impedance performance at standard test frequencies
Applications
- AC power line filtering
- Common mode noise suppression in electronic equipment
- EMI reduction in mains-powered circuits
Procurement Notes
Verify the lifecycle status before procurement, as this component is marked as Not Recommended for New Designs (NRND). Confirm availability through authorized distributors or surplus channels. Ensure design updates consider end-of-life implications for long-term production support. Check datasheet revisions for any parameter drift compared to earlier generations.
Selection Notes
Select this component when existing designs require direct replacement or maintenance of legacy systems using the SSR21HS series. Evaluate thermal management requirements given the 1.2 A current rating and 270 mOhm resistance. Consider physical space constraints due to the horizontal footprint. Review alternative components from the same manufacturer if new design optimization is permitted.
Part Context
This part belongs to the SSR21HS series of common mode chokes from KEMET. It shares family characteristics with related models like SSHB21HS-12110 but differs in specific electrical parameters such as inductance and DC resistance. The series targets general AC line filtering needs with standardized through-hole packaging.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult KEMET technical support for qualified alternatives or cross-reference with similar high-inductance common mode chokes meeting the 11.5 mH and 1.2 A specifications.
