document number: 36018 for technical questions contact: connectors@vishay.com www.vishay.com revision: 08-feb-07 20 rack and panel connectors side mount a20 and wa20 vishay dale applications broad-limited only by those app lications requiring physical, electrical and/or materials sp ecifications exceeding those indicated. electrical specifications current rating: 7.5 a breakdown voltage (con tact to contact): at sea level: 2000 v rms at 70 000 feet [21 336 meters]: 500 v rms features ? body components available with any desired pin and socket combination ? floating contacts ? polarization accomplished by reversed pin and socket combination ? model a20 has barriers for increased creepage distance ? thru hole permits use of building block technique or flat mounting material specifications standard body: glass-filled diallyl phthalate per astm d 5948-96 green, flame retardant pin contacts: brass socket contacts : phosphor bronze contact plating: gold, 10 micro-inches physical specifications minimum creepage path between contacts: a20 = 0.08" [2.03 mm]; wa20 = 0.05" [1.27 mm] minimum air space between contacts: a20 = 0.08" [2.03 mm]; wa20 = 0.05" [1.27 mm] contact, center to center: a20 = 0.150" [3.18 mm]; wa20 = 0.125" [3.17 mm] a20 wa20 dimensions in inches [millimeters] a20s-cd a20p-cd 0.180 [4.57] 0.750 [19.05] 0.360 [9.14] contact pin contact socket 0.093 [2.36] dia. thru solder cups accommodate #20 awg wire 0.218 [5.54] 0.040 [1.02] dia. 0.200 [5.08] 0.031 [0.79] 0.265 [6.73] 0.275 [6.99] lettering on wire side only 0.437 [11.10] 0.150 [3.81] ab cd 0.150 [3.81] lettering on wire side only 0.265 [6.73] 0.275 [6.99] 0.437 [11.11] a b c d 0.750 [19.05] solder cups accommodate #20 awg wire contact socket 0.093 [2.36] dia. thru 0.360 [9.14] 0.218 [5.54] 0.031 [0.79] 0.200 [5.08] 0.180 [4.57] 0.040 [1.02] dia.
www.vishay.com for technical questions contact: connectors@vishay.com document number: 36018 21 revision: 08-feb-07 a20 and wa20 vishay dale rack and panel connectors side mount dimensions in inches [millimeters] wa20p-cd wa20s-cd 0.170 [4.32] 0.093 [2.36] dia. thru contact socket solder cups accommodate #20 awg wire 0.340 [8.64] 0.750 [19.05] 0.220 [5.59] 0.040 [1.02] dia. contact pin 0.220 [5.59] 82 c-sink (far side) contact socket 0.750 [19.05] 0.220 [5.59] 0.040 [1.02] dia. 0.172 [4.37] 0.220 [5.59] 0.093 [2.36] dia. thru 82 c-sink 0.340 [8.64] solder cups accommodate #20 awg wire 0.170 [4.32] 0.125 [3.18] 0.281 [7.14] 0.250 [6.35] 0.440 [11.18] lettering on wire side only a b cd dale wa20p 0.125 [3.18] 0.281 [7.14] 0.250 [6.35] 0.440 [11.18] dale wa20s a b c d lettering on wire side only ordering information example 1: a20p-cd or wa20p-cd = connector w ith pin contacts in positions ?c? and ?d? and socket contacts in positions ?a? and ?b? ab co n tact locatio n designates pin contact positions in an a20p or w a20p connector or socket contact positions in an a20s or w a20s connector (specify ?a?, ?b?, ?c?, ?d? or any com b ination of the fo u r) p - designates pin style b ody. s - designates socket style b ody. these designations are u sed to identify mating connectors, ho w e v er, any com b ination of pin and socket contacts may b e ordered in either style b ody. therefore, w hen designators 3 and 4 are the same, a connector designated a20p or w a20p w ill mate w ith a connector designated a20s or w a20s. example: a20p-cd mates w ith a20s-cd a20s-ab mates w ith a20p-cd p body style a empty co n tact positio n s specify b y contact identification letter (a, b, etc.) any contact positions w hich are to b e left empty (omit, if none re qu ired) a20 wa20 model side mo u nt w ith 4 positions for #20 a w g contacts example 3: a20p-bc or wA20P-BC-A = connector w ith pin contacts in positions ?b? and ?c?,socket contact in position ?d? and no contact in position ?a? ( w o u ld mate w ith a20s-bc or w a20s-bc-a) example 2: a20s-cd or wa20s-cd = connector w ith socket contacts in positions ?c? and ?d? and pin contacts in positions ?a? and ?b? ( w o u ld mate w ith example 1 at left)
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