The OH200 OCVCXO model is a 25.4 mm x 36 mm x 12.7 mm hermetically sealed, through-hole, resistance-welded package with a grounded case. Including the glass standoffs, it stands less than ½ inch off the board. The 5 pin arrangement is a standard in the industry, also called the EURO or CO8 package. Pin connections are as follows: Pin 1: N/C or Control Voltage, Pin 2: N/C, Pin 3: Supply Voltage, Pin 4: Output, Pin 5: Case Ground.