CMJ-4-470

Common Mode Chokes Overview

The CMJ-4-470 is a surface-mount common mode choke manufactured by Talema Group LLC. It features four lines with an inductance of 47 µH measured at 100 kHz. The component has a maximum DC resistance (DCR) of 180 mΩ and a current rating of 500 mA. It operates within a temperature range of 0°C to +70°C.

Common Mode Chokes Feature Summary

• Four-line configuration for multi-conductor noise suppression
• Surface mount design for automated assembly integration
• Common mode filtering capability for signal integrity

Common Mode Chokes Applications

• Signal line filtering in electronic circuits
• Noise suppression in data transmission interfaces
• EMI reduction in compact electronic devices

Common Mode Chokes Procurement Notes

Verify the manufacturer part number CMJ-4-470 against official Talema Group LLC documentation to confirm specifications. Ensure compatibility with surface mount assembly processes. Check RoHS compliance status if required by project regulations. Confirm operating temperature range suitability for the intended environment.

Common Mode Chokes Selection Notes

Select this component when four-line common mode filtering is required for signals carrying up to 500 mA. The 47 µH inductance at 100 kHz provides specific attenuation characteristics. Consider the 180 mΩ DCR impact on circuit efficiency. Verify physical footprint compatibility with PCB layout constraints.

Common Mode Chokes Part Context

This component belongs to the CMJ series of common mode chokes from Talema Group LLC. The series offers various line counts and inductance values. The CMJ-4-470 specifically addresses applications requiring four-channel noise suppression in a compact surface-mount package.

Common Mode Chokes Replacement Considerations

The CMJ-2-470 is a related two-line variant from the same manufacturer. Substitution requires verifying that the reduced line count meets circuit requirements. Inductance and current ratings should be compared to ensure functional equivalence.