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Product Detailed Parameters
- Description：CMC 500MA 4LN 600 OHM TH
- Series：ST
- Mfr：KEMET
- Package：Tray
- Filter Type：-
- Number of Lines：4
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：120mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-20°C ~ 75°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.512" L x 0.512" W (13.00mm x 13.00mm)
- Height (Max)：0.433" (11.00mm)
- Package / Case：Horizontal, 8 PC Pin
- Inductance @ Frequency：-
- Impedance @ Frequency：600 Ohms @ 7 MHz
- Qualification：-
- Grade：-
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Overview
The KEMET ST-204A4 is a four-line common mode choke designed for through-hole mounting. It provides an impedance of 600 ohms at 7 MHz and supports a maximum current rating of 500 mA. The component features a maximum DC resistance (DCR) of 120 milliohms and operates within a temperature range of -20°C to 75°C. It has a DC voltage rating of 50V and utilizes a horizontal package configuration with eight pins.
Feature Summary
- Four-line architecture for multi-conductor noise suppression
- Through-hole installation for robust mechanical attachment
- Low DC resistance to minimize power loss in signal paths
Applications
- Common mode noise filtering in data communication lines
- EMI suppression for multi-wire cable assemblies
- Signal integrity protection in industrial control systems
Procurement Notes
Verify the specific manufacturer part number against official KEMET documentation to ensure compatibility with design requirements. Confirm that the through-hole pin configuration matches the PCB layout. Check the latest datasheet for any updates on operating temperatures or electrical ratings before finalizing procurement decisions.
Selection Notes
Select this component when designing circuits requiring attenuation of common mode interference across four conductors. Ensure the 500 mA current rating meets the operational load without exceeding thermal limits. Verify that the 600 ohm impedance at 7 MHz aligns with the target frequency spectrum for effective noise reduction in the application environment.
Part Context
This component belongs to the KEMET ST series of DC line filters. It is categorized as a common mode choke intended for electromagnetic interference suppression. The product is currently listed as active by the manufacturer, indicating ongoing production and availability for new designs.
Replacement Considerations
Consult official KEMET substitution guides for verified equivalent parts. Do not assume cross-compatibility with other manufacturers' components without verifying pinout, impedance curves, and current ratings against the original specifications.
