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Product Detailed Parameters
- Description：CMC 30MH 300MA 2LN TH
- Series：SS
- Mfr：KEMET
- Package：Bulk,Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：2.6Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.787" L x 0.703" W (20.00mm x 17.85mm)
- Height (Max)：0.543" (13.80mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：30 mH @ 1 kHz
- Qualification：-
- Grade：-
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Overview
The KEMET SS17HB-R03300 is a standard common mode filter designed for AC line applications. It features a through-hole bobbin style construction with a rectangular core optimized for low to middle current ranges. The component provides an inductance of 30 mH and supports a maximum DC current of 300 mA. It operates within a temperature range of -25°C to 120°C and carries a voltage rating of 250 VAC. This part belongs to the SS17HB series, which utilizes specific core dimensions to achieve efficient filtering performance for power line noise suppression.
Feature Summary
- Rectangular core design optimized for common mode noise reduction
- Through-hole bobbin mounting style for secure PCB integration
- High thermal stability supporting operation up to 120°C
Applications
- AC power line filtering
- Common mode choke applications
- Power supply noise suppression
Procurement Notes
Verify component status carefully as this specific part number is listed as obsolete and no longer manufactured by KEMET. Sourcing may be limited to existing stock or secondary markets. Confirm availability and authenticity through authorized distributors before procurement planning. Ensure that any substitute components meet the required electrical specifications and physical footprint constraints for your design.
Selection Notes
Select this component only if legacy compatibility is required due to its obsolete status. For new designs, consider alternative parts from the same series or recommended substitutes that offer current manufacturing support. Evaluate the 300 mA current rating and 30 mH inductance against circuit requirements. Ensure the through-hole package fits the board layout and that the 250 VAC rating exceeds the system's peak voltage demands.
Part Context
This component belongs to the KEMET SS17HB series of common mode chokes. The series is characterized by rectangular cores available in various sizes to accommodate different current ratings from 300 mA to 5 A. These filters are engineered for power line applications where effective common mode noise attenuation is necessary. The SS17HB style represents a specific form factor within KEMET's broader passive component portfolio.
Replacement Considerations
KEMET recommends the SSR10HS-04745 as a substitute part. Verify that the substitute matches the required inductance, current rating, and physical dimensions. Since the original part is obsolete, ensure the replacement is actively manufactured and available for long-term supply.
