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Product Detailed Parameters
- Description：CMC 150MH 300MA 2LN TH
- Series：SSR
- Mfr：KEMET
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：2.7Ohm
- 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：150 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSR21NHS-M031500 is a through-hole common mode filter choke designed for AC line filtering applications. It features an inductance of 150 mH and supports a maximum DC current of 300 mA. The component has a maximum DC resistance of 2.7 ohms and operates within a temperature range of -40°C to +120°C. Rated for 250 VAC, it utilizes ferrite core technology and measures 23 mm in diameter with a height of 14.5 mm.
Feature Summary
- Provides effective attenuation of common mode noise on AC power lines
- Utilizes ferrite core material for stable magnetic performance
- Designed for reliable operation across extended industrial temperature ranges
Applications
- AC line input filtering for electronic equipment
- EMI suppression in power supply circuits
- Noise reduction in industrial control systems
Procurement Notes
Verify the specific suffix against official KEMET documentation to ensure correct impedance and current ratings. Confirm RoHS compliance status directly from the manufacturer datasheet prior to integration. Cross-reference the alias UALS21H0315000 if required by legacy design files. Ensure PCB mounting holes align with the specified through-hole package dimensions.
Selection Notes
Select this component when high inductance is required for low-frequency noise suppression in single-phase AC applications. The 300 mA rating suits low-power consumer or office electronics. Compare against the SSR21NVS series if shielded variants are needed, though this NHS version is unshielded. Validate thermal dissipation capabilities given the 2.7 ohm DC resistance at full load.
Part Context
This part belongs to the KEMET SSR21NHS-M series of wide-range impedance common mode chokes. These components are engineered for general-purpose EMI filtering where standard inductance values are insufficient. The series offers various inductance options to match specific line filter requirements while maintaining a compact through-hole footprint suitable for dense PCB layouts.
Replacement Considerations
The alias UALS21H0315000 represents the same component under a different naming convention. No direct cross-manufacturer substitutes are confirmed in public data. Verify pinout and mechanical dimensions before substituting with generic common mode chokes.
