RD5122-16-2M0

Overview

The Schaffner RD5122-16-2M0 is a current-compensated choke from the RD series, designed for phase-angle control circuits. It features an inductance of 2 mH with a tolerance of -30% to +50%. The component supports a maximum DC current of 16 A and has a maximum DC resistance of 9.5 mΩ. Rated for 600 VAC or 850 VDC, it utilizes PC pin terminals for through-hole mounting. Physical dimensions are 50.5 mm diameter by 35.5 mm height, operating within a temperature range of -25°C to +110°C.

Feature Summary

• Provides current compensation for two-phase applications
• Engineered specifically for phase-angle control circuit environments
• Utilizes litz wire termination for efficient signal handling

Applications

• Phase-angle control circuits
• CAT scanners
• Defibrillators
• Laboratory equipment
• X-ray equipment

Procurement Notes

Verify the specific voltage rating requirements against the application's peak transient conditions, as the component is rated for 600 VAC and 850 VDC. Confirm that the physical footprint of 50.5 mm diameter fits the PCB layout constraints. Ensure the thermal management design accommodates the self-heating at 16 A continuous current within the specified operating temperature range of -25°C to +110°C.

Selection Notes

Select this component when designing systems requiring current-compensated chokes for two-phase power lines in medical or industrial imaging devices. The high current rating of 16 A and low DC resistance make it suitable for applications demanding minimal power loss. Consider the wide inductance tolerance when calculating precise filtering characteristics for the target frequency spectrum.

Part Context

This part belongs to the Schaffner RD series of EMC/EMI components, manufactured under TE Connectivity. The series is widely recognized for use in sensitive electronic equipment where electromagnetic interference suppression is critical. The RD5122 variant specifically addresses the needs of phase-controlled power stages common in medical imaging hardware.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided documentation.