High quality silver mica, paper polyester and metal film condenser are mounted on the Plastic plate fitted in a steel turf Non breakable ABS Transparent Plastic Cover. Two brass terminals are provided. Ranges Working voltage 50 V for 0.01 mfd to 2 mfd capacitors and we use paper polyester capacitors upto this range. Working voltage 63V for 5 mfd to 47 mfd capacitors and we use electrolytic capacitors up to this range. 0.01to 0.1 mfd (any one range) 0.2, to 0.