0-51879-4

About the 0-51879-4

0-51879-4--Printed Gate Drive Amplifier

The 0-51879-4 is a circuit board component manufactured by the Reliance Electric Company.  The board you are currently replacing may be marked as manufactured by a different manufacturer, like ABB (Asea Brown Boveri) or Baldor-Reliance.  This is due to changes in the business structure of Reliance Electric. The part number for this component remained the same across changes in the company structure.  

The 0-51879-4 functions as a Printed Gate Drive Amplifier.  This includes two primary parts married together with three screw connections.  The first of these parts is a front faceplate with four female plugs. Plugs located on the faceplate are individually labeled.  Each plug connects to the second primary component, the circuit board, using black surface wires.

The circuit board portion of the 0-51879-4 is marked across its surface with a grid pattern.  The axes of this grid are marked with letters on one side and with numbers five through eighty on the other.  The front half of the PCB only has a few components on its bottom edge. The back half has several lines of components. This includes a line of six transistors, a line of six ceramic disk capacitors, a line of six integrated circuits, and lines of diodes, resistors, and capacitors.  Additional components are located along the bottom edge. The rear edge of the board extends into a tab covered in a conductive material. This tab acts as a sort of backplane for the board.   If more information is desired, please refer to Reliance publications like manuals or data sheets.