"The MDSR-7 Reed Switch is a sub-miniature, normally open switch with a 12.70mm long x 1.80mm diameter (0.500"" x 0.071"") glass envelope, capable of switching 200Vdc at 10W. It has high insulation resistance of 10¹² ohms minimum and low contact resistance of less than 100 milli-ohms.
Features
• Sub-miniature normally open switch
• Capable of switching 200V or 0.5A at up to 10W
• Available sensitivity range 10-25 AT"