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The Lincoln Electric M9661-1 (also identified as 9SM9661-1) is a heavy-duty silicon power rectifier diode designed for industrial welding power sources. This stud-mount component is engineered to facilitate AC-to-DC conversion within the rectifier assembly of specific Lincoln Electric welding systems, ensuring consistent electrical output during high-current operations.
Features
Stud-mount design for mechanical stability and electrical conductivity
Positive polarity configuration with case-integrated cathode
Thermal stability for high-current industrial applications
Direct OEM replacement for Lincoln Electric rectifier assemblies
Heavy-duty construction for industrial welding environments
Specifications
Manufacturer: Lincoln Electric
Part Number: M9661-1
Alternate Part Number: 9SM9661-1
Component Type: Silicon Power Rectifier Diode
Mounting Type: Stud-mount
Polarity: Positive (Cathode integrated into the case)
Weight: 2.00 lb
Material: Silicon semiconductor
Applications
Lincoln Electric Idealarc R3S-250 Welding System
Lincoln Electric Ranger systems
AC-to-DC power conversion in welding power sources