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Product Detailed Parameters
- Description：CMC 21.5MH 1A 2LN TH
- Series：SSR21H
- Mfr：KEMET
- Package：Bulk,Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：410mOhm
- 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：21.5 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSR21H-10215 is a single-phase AC line filter designed for through-hole mounting. It features a high impedance common mode choke with an inductance of 21,500 µH (21.5 mH) and a maximum DC resistance of 410 mΩ. The component supports a rated current of 1 A at a voltage of 250 VAC. Physical dimensions are 23 mm x 23 mm x 14.5 mm. It operates within a temperature range of -25 °C to +75 °C and meets RoHS compliance standards.
Feature Summary
- Provides high impedance common mode filtering for AC line applications
- Compact, low-profile design suitable for space-constrained installations
- Through-hole construction for secure PCB attachment
Applications
- Single-phase AC power line EMI suppression
- General electronic equipment input filtering
- Consumer appliance noise reduction
Procurement Notes
Verify the specific suffix and manufacturing date code against the latest KEMET datasheet to ensure compatibility with current production standards. Confirm that the operating temperature range of up to 75 °C aligns with the final assembly environment requirements before procurement.
Selection Notes
Select this component when a single-phase AC filter with 21.5 mH inductance and 1 A current rating is required. Ensure the PCB layout accommodates the 23 mm x 23 mm footprint and 14.5 mm height. Verify that the 410 mΩ DCR does not cause excessive voltage drop in the specific circuit application.
Part Context
This part belongs to the KEMET SSR21H series of AC line filters. The series is characterized by compact size and lightweight construction. These components are engineered for general-purpose EMI/RFI suppression in single-phase AC circuits, offering a balance between filtering performance and physical profile.
Replacement Considerations
Direct substitutes must match the 21.5 mH inductance, 1 A rating, and 250 VAC voltage. Check mechanical dimensions for board fit. Note that the SSR21H series may have limited new design recommendations; verify availability of equivalent high-impedance chokes from other manufacturers if sourcing becomes difficult.
