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Product Detailed Parameters
- Description：CMC 89MH 700MA 2LN TH
- Series：SSR
- Mfr：KEMET
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：700mA
- DC Resistance (DCR) (Max)：1.05Ohm
- 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：89 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSR21NH-M07890 is a single-channel common mode choke designed for AC line filtering applications. It features an inductance of 89 mH measured at a test frequency of 10 kHz and supports a maximum DC current of 700 mA. The component exhibits a maximum DC resistance of 1.05 Ohms and is rated for 250 VAC operation. It utilizes through-hole PCB mounting with dimensions of 3.5 mm length, 23 mm width, and 14.5 mm height. The device operates within a temperature range of -25°C to +120°C.
Feature Summary
- Provides common mode noise suppression for AC power lines
- Supports through-hole printed circuit board mounting
- Rated for high-temperature operation up to 120°C
Applications
- AC line input filtering
- Electromagnetic interference suppression in power supplies
- Single-phase equipment noise reduction
Procurement Notes
Verify the manufacturer part number against official KEMET documentation to ensure authenticity. Confirm that the specific suffix matches the required electrical parameters, as variations exist within the series. Cross-reference the datasheet for RoHS compliance status and lead time requirements before finalizing procurement decisions.
Selection Notes
Select this component when a high inductance value of 89 mH is required for effective common mode noise attenuation. Ensure the application current does not exceed 700 mA to prevent saturation or excessive heating. Verify that the physical footprint fits the available PCB space and that the through-hole termination style aligns with the assembly process.
Part Context
This component belongs to the KEMET SSR21NH-M series of common mode chokes. These devices are engineered for AC line filter applications, offering reliable noise suppression in compact through-hole packages. The series provides various inductance options tailored for different current and filtering requirements.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Engineers should consult the official KEMET datasheet or contact the manufacturer directly for qualified alternative components.
