a-9 dimensions are shown: inches (mm) specifications and dimensions subject to change www.ck-components.com pu shbu tt on a ep series sealed tiny pushbutton switches features/benefits ? sealed against solder & cleaning processes ? thru-hole and surface mount models ? snap-fitting actuator accepts standard caps ? t ape & reel packaging available ? rohs compliant models available typical applications ? telecommunications and networking equipment ? computers and peripherals ? instrumentation and controls specifications contact rating: b contact material: 0.4 va max. @ 20 v ac or dc max. see page a-13 for additional ratings. electrical life: ep11, ep21 models: 60,000 make-and-break cycles at full load. ep12 models: 30,000 cycles. cont act resistance: below 20 m typ. initial @ 2-4 v dc, 100 ma, for both silver and gold plated contacts. insulation resistance: 10 9 min. dielectric strength: 1000 vrms min. @ sea level. operating temperature: C0 c to 85o. solderability: per mil-std-202f method 208d, or eia rs-186e method 9 (1 hour steam aging). degree of protection: ip57; protection against harmful dust deposit, full-scale voltage protection, temporary immersion. p ackaging: surface mount switches standar d in anti-static tape and r eel packaging per eia 481-3, see page a-14 for drawings and reel information. tape and cover strip are conductive for use near statically sensitive components, consult customer service center. materials case & bushing: high temperature material, glass filled nylon 4/6, flame retardant, heat stabilized (ul 94v-0) on ep11 / ep12 models; glass filled nylon 6/6 on ep21. plunger: thermoplastic polyester or glass filled nylon (ul 94v-0), with internal o-ring seal. sa surface mount: high temperature material, glass filled lcp (ul 94v-0). switch support: brass, matte-tin plated. contacts & terminals: b contact material: copper alloy, with gold plate over nickel plate. see page a-13 for additional contact materials. terminal seal: epoxy. note: any models supplied with q, b, p , s, r or g contact material ar e rohs compliant. note: specifications and materials listed above are for switches with standard options. for information on specific and custom switches, consult customer service center . caution: pc mounting layouts and pads as shown are designed to be compatible with the latest equipment and reflow techniques. care should be taken in the design and location of pc lands to suit individual needs. orientation r elative to reflow direction may significantly impact solder joint integrity . build-a-switch t o order, simply select desired option from each category and place in the appropriate box. available options are shown and described on pages a-10 thru a-14. for additional options not shown in catalog, consult customer service center. all models ar e pr ocess sealed to withstand machine soldering temperatur es and pressure wash cleaning methods. switch function ep11 spst off-mom. ep12 spdt on-mom. ep21 dpst off-mom. plunger s .215" high s1 .110" high s2 .465" high fp flush r snap-fitting, .215 high bushing d1 unthreaded contact material b gold p gold, matte-tin q silver s silver, matte-tin g gold over silver r gold over silver, matte tin seal e epoxy models available t erminations a right angle, pc thru-hole c pc thru-hole a v v ertical right angle, pc thru-hole a v3 v ertical right angle, sna p-in, pc thru-hole sa right angle, surface mount sa1 right angle, surface mount rear facing v3 vertical mount, v-bracket v31 vertical mount, v-bracket, snap-in (ep11 & ep12 only) w wire wrap
a-10 dimensions are shown: inches (mm) specifications and dimensions subject to change www.ck-components.com a pu shbu tt on third angle projection ep series sealed tiny pushbutton switches switch function plunger bushing s .215" high d1 unthreaded note: internal actuator o-ring standard. s1 .110" high s2 .465" high fp flush plunger r snap-fitting dpst 1-3,4-6 open mom. off ep21 dp spst spdt 1-3 2-3 open 2-1 mom. mom. off on ep11 ep12 sp schematic connected terminals pos. 1 pos. 2 switch function pos. 1 pos. 2 model no. no. poles dpst spdt part number shown: ep21sd1cbe s1& s2 actuators ar e not available with ep12 & ep21 models. fp & r actuators are not available with ep21 model. note: caps available for plunger options, see page a-14. terminal nos. for refer ence only terminal nos. for reference only part number shown: ep12sd1cbe mom. = momentary all models with all options when ordered with g, q, r or s contact material. c&k marking on opposite side c&k marking on opposite side omit terminal 2 for ep11 models.
a-11 dimensions are shown: inches (mm) specifications and dimensions subject to change www.ck-components.com pu shbu tt on a third angle projection ep series sealed tiny pushbutton switches terminations pc mounting pc mounting sp dp ep11 - omit center hole. pc mo unting sp dp a right angle, pc thru-hole a right angle, pc thru-hole c pc thru-hole w wire wrap sp and dp sp and dp ep12sd1abe spdt ep21sd1abe dpst pc mounting ep11 models: omit hole 2. a v ver tical right angle, pc thru-hole ep12sd1avbe spdt note: terminal bend radii and lead-in manufacturing option. ep11 models: omit terminal 2. ep11 models: omit terminal 2. ep11 models: omit thru-hole 2.
a-12 dimensions are shown: inches (mm) specifications and dimensions subject to change www.ck-components.com a pu shbu tt on ep series sealed tiny pushbutton switches terminations pc mounting pc mounting ep11 models: omit hole 2. .410 max (10,41) .320 (8,13) ep11 models: omit pad 2. pc mounting sa right angle, surf ace mount av3 vertical right angle, snap-in, pc thru-hole a v vertical right angle, thru-hole ep21sd1avbe dpst ep12sd1a v3be spst ep12sd1sape spdt note: terminal bend radii and lead-in manufacturing option. available with p contact material only. not available on dpst models. sa1 is only available with b and p contact materials. not available on dpst models. ep11 models: omit terminal 2. sa1 right angle, surface mount ep12sd1sa1be spdt yy/ww 0. 4v a max (2 , 54 ) .1 0 0 .051 (1,30) .100 (2 ,54) .041 (1,04) .020 typ (0,51) .3 2 0 (8 , 13 ) (5 , 08 ) .2 0 0 .276 (7 , 0) .1 2 1 (3 , 07 ) .1 6 0 (4 , 06 ) .059 (1,50) .400 (10,16) .2 2 0 (5 , 60 ) .1 8 1 (4 , 60 ) .2 1 7 (5 , 51 ) .2 3 4 (5 , 94 ) .0 8 2 t yp. (2 ,10) .200 (5 ,08) .0 3 2 t yp. (0 ,80 ) .272 (6 ,90) .059 (1 ,50) .0 7 1 t yp. (1 ,80) .313 (7 ,95) epo x y seal te r minal nos . fo r ref. on l y 123 pc mounting third angle projection
a-13 dimensions are shown: inches (mm) specifications and dimensions subject to change www.ck-components.com pu shbu tt on a third angle projection ep series sealed tiny pushbutton switches terminations contact material seal pc mounting v31 snap-in pc mo u nt i ng ep11 m odels : omit centerhole. v3 ver tical mount, v-bracket v31 vertical mount, v-bracket, snap-in v3 vertical mount, v-bracket e epoxy seal ep12sd1v3be spdt ep21sd1v3be dpst * note: see technical data section of this catalog for rohs compliant and compatible definitions and specifications. 1 cont acts & terminals: copper alloy , with gold plate over nickel plate. 2 end cont acts: coin silver , with gold plate over nickel plate. 3 center cont acts & all terminals: copper alloy , with gold plate over nickel plate. 4 end cont acts: coin silver, silver plated. 5 center cont act & all terminals: copper alloy , silver plated. 6 terminals: copper alloy , with matte tin over nickel plate. note: any models supplied with q, b p, s ,r or g contact material are rohs compliant. all models with all options when ordered with g, s, r or q contact material. ep11 models: omit terminal 2. option code cont act material terminal plating silver 5 matte-tin 6 gold 1 silver 4,5 gold over silver 2,3 gold 3 matte-tin 6 gold 1 matte-tin 6 low level/dr y circuit power low level/dry circuit or power 0.4 v a max. @ 20 v ac or dc max. 1 amp @ 120 v ac or 28 v dc. 0.4 va max @ 20 v ac or dc max. or 1 amp @ 120 v ac or 28 v dc. b p q s g r ra tings
a-14 dimensions are shown: inches (mm) specifications and dimensions subject to change www.ck-components.com a pu shbu tt on ep series sealed tiny pushbutton switches available hardware t ape & reel e p1 1 f pdisape e p1 1 s di sa pe .080 (2,03) .310 dia. (7,87 .152 (3,86) .155 (3,94) .200 dia. (5,08 .100 (2,54) for part number epxx-sa/sa1 outside diameter 13.00 (330,0) pilot hole .512 (13,0) quantity per reel 600 reel informa tion cap part no. 508101000 white 508102000 black 508103000 red material: nylon finish: gloss not for use on s1 plunger cap part no. 465801000 white 465802000 black 465803000 red material: nylon finish: gloss not for use on s1 plunger cap compatible with snap-fitting plungers ep11 & ep12 models. r option only. part no. 585a01000 white 585a02000 black 585a03000 red material: nylon finish: gloss cap compatible with snap-fitting plungers ep11 & ep12 models. r option only. part no. 785a01000 white 785a02000 black 785a03000 red material: nylon finish: gloss note: other colors available, consult customer service center. third angle projection
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