dimensions are shown in mm (inch) dimensions subject to change www.ittcannon.com b-13 md and mdp key switches the disc contact type ed is a momentary key switch with short travel and good tactile feedback. the ed is the main component of the md and mdp switches. mdp-disc push-button key switch small momentary key switch equipped with button, can be mounted on printed circuit board. md-disc push-button key switch small momentary key switch including a protective rubber actuator. a wide range of keyboards can be built by using the md. md and mdp key pads are available in two contact materials: gold plated bronze silver plated bronze construction function momentary contact arrangement 1 make contact = spst distance between button centers, min. 12.7 (0.500) terminals pc pins electrical data silver gold switching power max. 6 w ac/dc 3 w ac/dc switching voltage max. 100 v ac/dc 100 v ac/dc switching current max. 100 ma ac/dc 50 ma ac/dc dielectric strength (50 hz/1 min.) 300 v 300 v operating life with md 10 6 5 10 6 max. switching power mdp 2 10 5 2 10 5 contact resistance, initial 10 m ? 15 m ? insulation resistance 10 11 ? 10 11 ? contact bounce 100 ? 100 ? mechanical data md mdp switching travel 0.6 (0.0236) 0.3 (0.0118) operating force 2.6n 25% 2.4n 25% (260 grams 25%) (240 grams 25%) further data contact material silver, gold operating temperature 25? to + 70? 1 ) storage temperature 40? to + 85? climatic category (days) 10 for silver version 56 for gold version soldering by static bath 255? for 5 seconds 1 ) special design for ambient temperature ?40? to + 85? (type md40) available (not washable in solvents) note: md40 disc keyswitch conforms to climatic category 40/85/56.
dimensions are shown in mm (inch) dimensions subject to change www.ittcannon.com b-14 md and mdp key switches dimensional drawings ordering code 123 example: md ag 04 1 designation: md, mdp, md40 2 contact material: ag = silver, au = gold 3 mdp button color: 01 = black, 02 = white, 03 = red, 04 = light grey, 05 = dark grey, 07 = blue md mdp button mdp (0.5) (0.4) (0.5) (0.0315) (0.157) (0.197) (0.138) (0.2) (0.1) (0.4) (0.2) (0.2) (0.1) (0.2) holes for additional ?ing (0.315) (0.0591) (0.5) (0.5) (0.315) (0.238) (0.157) (0.138) (0.2) (0.1) (0.4) (0.2) (0.2) (0.1) (0.2) holes for additional ?ing (0.472) (0.11) (0.0748) (0.0138) (0.0984) (0.472) (0.472) (0.394) (0.0591) (0.394) (0.0591)
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