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Product Detailed Parameters
- Description：CMC 1.2MH 30A 2LN TH
- Series：SC-JH
- Mfr：KEMET
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：30A
- DC Resistance (DCR) (Max)：-
- Voltage Rating - DC：250V
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：2.559" Dia (65.00mm)
- Height (Max)：1.575" (40.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：1.2 mH @ 100 kHz
- Qualification：-
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Overview
The KEMET SC-30-12JH is a three-phase common mode filter choke designed for AC line applications. It features an inductance of 1.2 mH and supports a maximum DC current of 30 A with a maximum DC resistance of 6 milliohms. The component operates within a voltage range up to 250 V AC and functions reliably across a temperature span from -25 °C to +120 °C. Utilizing proprietary ferrite materials, it provides effective noise suppression in the high-frequency range starting at 150 kHz.
Feature Summary
- Utilizes proprietary nanocrystalline metal core technology for high permeability
- Designed for three-phase AC line filtering applications
- Optimized for high-frequency noise suppression above 150 kHz
Applications
- Three-phase power supply input filtering
- Industrial motor drive EMI suppression
- AC line noise reduction in heavy machinery
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct material grade and performance characteristics. Confirm that the required inductance and current ratings align with your circuit design before procurement. Cross-reference the part number with authorized distributors to ensure authenticity and availability of the genuine KEMET component.
Selection Notes
Select this component when three-phase common mode attenuation is required for currents up to 30 A. Ensure the operating environment stays within the specified -25 °C to +120 °C range. Verify that the 1.2 mH inductance meets the system's EMI filtering requirements without causing excessive voltage drop or saturation issues under load conditions.
Part Context
This component belongs to the KEMET SC-JH series of AC line filters. The series utilizes nanocrystalline ring cores to achieve ultrahigh inductivity and permeability. These filters are engineered for robust performance in demanding industrial environments where significant common mode noise must be attenuated from three-phase power lines.
Replacement Considerations
Check the official KEMET datasheet for direct equivalents within the SC-30 series. Verify that any substitute maintains the 1.2 mH inductance, 30 A current rating, and three-phase configuration. Ensure compatibility with existing PCB mounting styles and thermal management requirements.
