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Product Detailed Parameters
- Description：CMC 25.4MH 500MA 2LN TH
- Series：SS
- Mfr：KEMET
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：1.723Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：500V
- Operating Temperature：-40°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.811" L x 0.661" W (20.60mm x 16.80mm)
- Height (Max)：1.004" (25.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：25.4 mH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SS21VB-R050254 is a through-hole common mode choke from the SS21VB series, designed for power line filtering. It features an inductance of 25.4 mH and a maximum DC resistance of 1.723 ohms. The component supports a rated current of 500 mA with voltage ratings of 250 V ac and 500 V ac. It operates within a temperature range of -40°C to +120°C.
Feature Summary
- Provides common mode noise suppression for AC power lines
- Utilizes a through-hole bobbin construction for robust mounting
- Rated for high insulation voltage up to 500 V ac
Applications
- AC power input filtering in electronic equipment
- EMI suppression in mains-powered devices
- Common mode noise reduction in power supplies
Procurement Notes
Verify the specific part number SS21VB-R050254 against official KEMET documentation to confirm technical specifications. Ensure compatibility with required current ratings and thermal operating conditions. Cross-reference datasheets for mechanical dimensions and certification status before integration into designs.
Selection Notes
Select this component when designing circuits requiring through-hole common mode chokes for AC power applications. Consider the 500 mA current rating and 25.4 mH inductance for appropriate noise attenuation. Verify that the 1.723 ohm DC resistance meets system power loss requirements and that the 500 V ac rating aligns with network voltage standards.
Part Context
This component belongs to the KEMET SS21VB series of common mode chokes. These components are engineered for general-purpose EMI filtering in AC power applications. The series utilizes bobbin-wound technology to provide reliable noise suppression across a wide temperature range, suitable for various industrial and consumer electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official KEMET resources or authorized distributors for verified equivalent components meeting identical electrical and mechanical specifications.
