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Product Detailed Parameters
- Description：CMC 9MH 300MA 2LN TH
- Series：SU
- Mfr：KEMET
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：3Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.669" L x 0.610" W (17.00mm x 15.50mm)
- Height (Max)：0.492" (12.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：9 mH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SU9H-R03090 is a through-hole common mode choke designed for AC line filtering applications. It features a nominal inductance of 9 mH measured at 1 kHz and supports a maximum current rating of 0.3 A. The component exhibits a direct current resistance (DCR) of 3 Ohms. This two-line filter is constructed to suppress electromagnetic interference on power lines, providing reliable signal conditioning within specified electrical limits.
Feature Summary
- Provides common mode noise suppression for AC power lines
- Utilizes through-hole mounting technology for secure PCB attachment
- Engineered for high-grade industrial and military design environments
Applications
- High-end industrial power supplies
- Military electronic designs
- Portable communication equipment
Procurement Notes
Verify the specific ordering suffix against official KEMET documentation to ensure correct tolerance and packaging specifications. Confirm that the required inductance value and current rating align with the target circuit design before procurement. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability.
Selection Notes
Select this component when a 9 mH inductance and 0.3 A current capacity are required for common mode noise reduction. Ensure the PCB layout accommodates through-hole mounting dimensions. Evaluate the 3 Ohm DCR impact on voltage drop within the specific application circuit constraints.
Part Context
This component belongs to the SU9H series of common mode chokes manufactured by KEMET. The series is characterized by robust construction suitable for demanding environments. The specific model SU9H-R03090 represents a standard variant within this lineup, offering defined electrical parameters for EMI filtering tasks.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official KEMET resources or authorized distributors for verified equivalent components if replacement is necessary.
