MCM-1211M-272

Common Mode Chokes Overview

The MCM-1211M-272 is a surface-mount common mode choke manufactured by Pulse Electronics. It features a toroidal core design with two channels and an inductance of 2.7 kΩ impedance at the rated frequency. The component supports a maximum current of 1.5 A and operates within a temperature range of -40°C to +125°C. Physical dimensions are approximately 12.1 mm in length, 11 mm in width, and 6.4 mm in height. It utilizes SMD/SMT termination for PCB mounting.

Common Mode Chokes Feature Summary

• Dual-channel configuration for effective noise suppression on power lines
• Toroidal core construction for high efficiency and compact footprint
• Automotive-grade reliability suitable for harsh environments

Common Mode Chokes Applications

• Automotive power line filtering
• Noise suppression in electronic circuits
• Common mode interference reduction

Common Mode Chokes Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with Pulse Electronics or authorized distributors before procurement. Confirm that the package type matches your PCB layout requirements. Ensure the operating temperature range aligns with your system's environmental conditions. Cross-reference the part number with official manufacturer lists to avoid counterfeit components.

Common Mode Chokes Selection Notes

Select this component when dual-line noise attenuation is required in space-constrained automotive applications. The 1.5 A current rating suits moderate power loads. Compare impedance characteristics against other series members if higher attenuation is needed. Ensure the SMD form factor fits the assembly process constraints.

Common Mode Chokes Part Context

This part belongs to the MCM series of common mode chokes from Pulse Electronics. It is designed specifically for automotive and industrial applications requiring robust EMI/RFI suppression. The series offers various impedance values and current ratings to suit different circuit protection needs.

Common Mode Chokes Replacement Considerations

Check for direct substitutes like PM2743NLT or PA2744NL only if electrical parameters such as inductance, current rating, and physical dimensions are compatible. Verify pinout and mounting style compatibility before substitution.