b4 general specifcations electrical capacity (resistive load) logic level: 0.4va maximum @ 28v ac/dc maximum (applicable range 0.1ma ~ 0.1a @ 20mv ~ 28v) note: find additional explanation of operating range in supplement section. other ratings contact resistance: 50 milliohms maximum insulation resistance: 500 megohms minimum @ 500v dc dielectric strength: 500v ac minimum for 1 minute minimum mechanical life: 100,000 operations minimum for on-none-on & on-off-on 50,000 operations minimum for other circuits electrical life: 50,000 operations minimum nominal operating force: 2.73n (momentary); 1.84n (maintained) contact timing: nonshorting (break-before-make) angle of throw: 26 materials & finishes actuator or toggle: nickel plated brass case housing: glass fber reinforced polyamide support bracket: tin plated phosphor bronze movable contact: phosphor bronze with gold plating stationary contacts: brass with gold plating terminals: brass with gold plating environmental data operating temperature range: C30c through +85c (C22f through +185f) humidity: 90 ~ 95% humidity for 240 hours @ 40c (104f) vibration: 10 ~ 55hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning in 1 minute; 3 right angled directions for 2 hours shock: 50g (490m/s 2 ) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) installation cap installation force: 39.23n (8.82 lbf) maximum downward force on actuator pcb processing soldering: wave soldering recommended: see profle a in supplement section. manual soldering: see profle b in supplement section. cleaning: automated cleaning. see cleaning specifcations in supplement section. standards & certifications the a series rockers have not been tested for ul recognition or csa certifcation. these switches are designed for use in a low-voltage, low-current, logic-level circuit. when used as intended in a logic-level circuit, the results do not produce hazardous energy. series a process sealed subminiature rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable b rockers touch tilt toggles www.nkkswitches.com
b5 distinctive characteristics actual size subminiature size saves space on pc boards. specifcally developed for logic-level applications. totally sealed body construction prevents contact contamination and allows time- and money- saving automated soldering and cleaning. award-winning stc contact mechanism with benefts unavailable in conventional mechanisms: smoother, positive detent actuation, increased contact stability and unparalleled logic-level reliability. (additional stc details in terms & acronyms; see supplement section.) molded-in, epoxy sealed or ultrasonically welded terminals lock out fux, solvents, and other contaminants. .100 x .100 (2.54mm x 2.54mm) terminal spacing conforms to standard pc board grid spacing. matching indicators available. series a process sealed subminiature rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable toggles b rockers touch tilt www.nkkswitches.com
b6 colors rocker c rockers d & e a black a b white b c red c e yellow CC f green CC g blue CC h gray CC poles 1 spdt 2 dpdt sp3t typical switch ordering example 2 d a pc terminals p straight b straight with bracket b1 straight with inline bracket (single pole only) h right angle with bracket v vertical with bracket v1 vertical with inline bracket (single pole only) 2 description for typical ordering example a22k1h-da k1 a black .250 (6.35mm) wide rocker rockers c .260 (6.6mm) wide (k only) d .250 (6.35mm) wide (k1 only) e .300 (7.6mm) wide (k1 only) h actuators k snap top for rocker code c * k1 snap top for rockers codes d & e * available in americas only right angle pc terminals dpdt on-none-on circuit k1 snap top actuator circuits 2 on none on 3 on off on 5 on none (on) r (on) none on 8 (on) off (on) 9 on off (on) s (on) off on 4 on on on 6 (on) on (on) 7 on on (on) ( ) = momentary 3-on circuits * * * * series a process sealed subminiature rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable b rockers touch tilt toggles www.nkkswitches.com
b7 actuators rocker position ( ) = momentary connected terminals throw & schematics pole model up center down up center down note: terminal numbers are not actually on the switch. sp a12 a13 a15 a1r a18 a19 a1s on on on (on) (on) on (on) none off none none off off off on on (on) on (on) (on) on 2-3 open 2-1 spdt dp a22 a23 a25 a2r a28 a29 a2s on on on (on) (on) on (on) none off none none off off off on on (on) on (on) (on) on 2-3 5-6 open 2-1 5-4 dpdt for 3 throw (3-on) connected terminals & schematics external connection pole model up center down sp a24 a26 a27 on (on) on 2-3 5-6 on on on 2-3 5-4 on (on) (on) 2-1 5-4 snap top poles & circuits 2 (com) 1 3 4 6 1 3 25 (com) k 36 25 4 1 commo n (in) (out) (out) (out) external conn snap top k1 the sp3t model utilizes a double pole base. external connections must be made during feld installation. slot slot for rocker at469 for rockers at062 and at066 (2.5) .098 (2.5) .098 26 (4.24) .167 26 (5.0) .197 1 (out) 4 (out) 6 (out) 2 (in) 3 5 external connection 1 (out) 4 (out) 6 (out) 2 (in) 3 5 external connection 1 (out) 4 (out) 6 (out) 2 (in) 3 5 external connection series a process sealed subminiature rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable toggles b rockers touch tilt www.nkkswitches.com
b8 pc terminals color codes: straight antirotational material: polyamide colors available: a, b, c, e, f, g, h straight with bracket black white red yellow green blue a b c e f g p b straight with inline bracket single pole only b1 right angle with bracket vertical with bracket h v vertical with inline bracket single pole only v1 rockers & colors at469 .260 (6.6mm) wide rocker c at062 .250 (6.35mm) wide rocker d antirotational material: polyamide colors available: a, b, c gray h antirotational material: polyamide colors available: a, b, c at066 .300 (7.6mm) wide rocker e use of a support bracket is recommended to increase pcb mounting strength and stability. (2.54) ty p .100 (0.6) dia ty p .024 (5.08) ty p .200 (0.8) .031 (8.8) .346 (9.0) .354 (5.08) .200 (5.08) .200 (10.16) .400 (9.0) .354 (8.8) .346 (2.54) ty p .100 (0.3) ty p .012 (0.7) ty p .028 (0.6) dia ty p .024 c l (10.16) .400 (2.54) .100 (5.08) .200 (1.0) .039 (9.0) .354 (0.3) ty p .012 (0.7) ty p .028 (0.6) dia ty p .024 (2.54) ty p .100 (9.0) .354 (2.54) ty p .100 (2.54) ty p .100 (5.08) .200 (0.6) dia ty p .024 (8.8) .346 (0.5) .020 (0.7) .028 (0.3) .012 (5.08) .200 (5.08) .200 (2.54) ty p .10 0 (0.3) .012 (0.7) .028 (9.0) .354 (8.8) .346 (0.6) dia ty p .024 (0.5) ty p .020 c l (5.08) .200 (5.08) .200 (2.54) ty p .10 0 (0.3) .012 (0.7) .028 (9.0) .354 (0.5) ty p .020 (0.6) dia ty p .024 (1.0 ) .039 26 (13.4) .528 (12.9) .508 (4.5) .177 (8.2) .323 (10.2) .402 (19.0) .748 (6.6) .260 (14.73) .580 26 (11.4) .448 (7.0) .276 (8.8) .346 (4.5) .177 (11.5) .452 (6.35) .250 (15.2) .600 26 (11.4) .448 (11.5) .452 (4.5) .177 (7.0) .276 (8.8) .346 (7.6) .300 (7.9) .310 (20.1) .790 +.020 -.000 (7.1) .280 (15.24) .600 +.020 -.000 (8.9) .350 (15.75) .620 +.020 -.000 series a process sealed subminiature rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable b rockers touch tilt toggles www.nkkswitches.com
b9 typical switch dimensions single pole straight pc single pole straight pc ? bracket double pole straight pc double pole straight pc ? bracket a12k1p-da a22k1p-da b terminals b1 terminals a12k1b-da a12k1h-da (6.35) .250 26 (14.73) .580 (11.4) .448 (11.5) .452 (8.6) .339 (8.8) .346 (0.8) .031 (3.1) .122 (7.0) .276 (2.54) ty p .100 (0.6) dia ty p .024 p/n this side (9.8) .386 1 2 3 c l (0.3) .012 (0.4) ty p .016 (1.0) .039 (5.84) .230 (9.8) .386 (0.4) .016 (0.4) ty p .016 (5.08) .200 1 2 3 4 5 6 (11.5) .452 26 (14.73) .580 (11.4) .448 (8.8) .346 (7.0) .276 (0.8) .031 (3.1) .122 (2.54) ty p .100 (8.6) .339 (0.6) dia ty p .024 p/n this side (9.2) .362 (6.0) .236 (6.35) .250 (6.35) .250 (10.16) .400 (8.6) .339 26 (14.73) .580 (11.4) .448 (11.5) .452 (8.8) .346 (0.8) .031 (3.1) .122 (7.0) .276 (2.54) ty p .100 (0.6) dia ty p .024 (0.3) ty p .012 p/n this side 1 2 3 c l (1.0) .039 (5.84) .230 (9.8) .386 (2.54) .100 (0.3) .012 (0.7) ty p .028 single pole right angle pc a22k1b-da (9.8) .386 (0.4) .016 (5.08) .200 (0.7) ty p .028 1 2 3 4 5 6 26 (14.73) .580 (11.4) .448 (8.8) .346 (7.0) .276 (0.8) .031 (3.1) .122 (2.54) ty p .100 (11.5) .452 (8.6) .339 (0.6) dia ty p .024 (0.3) ty p .012 (10.16) .400 p/n this side (9.5) .374 (6.0) .236 (6.35) .250 (9.8) .386 (6.18) .243 3 2 1 (0.3) .012 (0.6) dia ty p .024 (2.54) ty p .100 (6.35) .250 (5.08) .200 (0.3) ty p .012 (11.5) .452 (9.38) .369 (5.08) .200 (3.1) .122 (0.7) .028 (4.5) .177 (3.3) .131 (0.8) .031 p/n this side (2.54) ty p .100 3 1 2 (0.8) dia ty p .031 (1.0) .039 c l (0.8) dia ty p .031 6 4 52 3 1 (2.54) ty p .100 (5.08) .200 3 1 2 (2.54) ty p .100 (0.8) dia ty p .031 (1.0) .039 c l (2.54) .100 3 1 2 (2.54) ty p .100 (0.8) dia ty p .031 (1.0) .039 c l 6 4 5 2 3 1 (2.54) ty p .100 (0.8) dia ty p .031 (5.08) .200 (5.08) .200 (0.8) dia ty p .031 23 1 (2.54) ty p .100 series a process sealed subminiature rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable toggles b rockers touch tilt www.nkkswitches.com
b10 vertical pc double pole a22k1v-da typical switch dimensions right angle pc double pole vertical pc single pole a22k1h-da a12k1v-da v terminals v1 terminals (6.0) .236 (5.08) .200 (0.3) ty p .012 (6.35) .250 (0.8) .031 (5.2) .205 (3.1) .122 (0.5) .020 (2.54) .100 (5.08) .200 (11.9) .469 (11.5) .452 (0.7) .028 (4.5) .177 p/n this side (10.0) .394 32 1 65 4 (0.6) dia ty p .024 (2.54) ty p .100 (0.4) .016 (9.8) .386 (10.2) .402 1 2 3 c l (5.84) .230 (1.0) .039 (0.6) dia ty p .024 (0.4) .016 (11.5) .452 (2.54) .100 (11.4) .448 (14.73) .580 (14.46) .569 26 (8.8) .346 (7.0) .276 (0.8) .031 (0.5) .020 (3.1) .122 (1.0) .039 (2.54) ty p .100 (5.3) .208 (2.54) .100 p/n this side (0.3) ty p .012 (0.7) ty p .028 (2.54) .100 (6.35) .250 rocker mounting precaution (9.5) .374 (6.35) .250 (5.08) .200 (0.3) ty p .012 (14.73) .580 (11.4) .448 26 (8.8) .346 (7.0) .276 (0.8) .031 (0.5) .020 (3.1) .122 (1.0) .039 (2.54) ty p .100 (5.3) .208 (11.5) .452 (14.46) .569 (0.7) .028 (5.08) .200 p/n this side (10.2) .402 (0.4) ty p .016 (0.6) dia ty p .024 (5.08) .200 1 2 3 4 5 6 side view of rocker right angle mounting pc single pole only side view of rocker vertical mounting pc single pole and double pole rocker switches with vertical and right angle terminals must be mounted so that extension of the pc board beyond the top of the switch housing does not interrupt rocker movement, in turn causing incomplete switching operation. the maximum limit of the pc board extension is .051 (1.3mm), as illustrated below. this precaution does not apply to the double pole switch with right angle terminals due to the extra width of the switch allowing the rocker to clear the pc board. 3 1 2 (2.54) ty p .100 (0.8) dia ty p .031 (1.0) .039 c l (2.54) .100 3 1 2 (2.54) ty p .100 (0.8) dia ty p .031 (1.0) .039 c l (5.08) .200 6 4 52 3 1 (2.54) ty p .100 (0.8) dia ty p .031 (5.08) .200 (5.08) .200 (5.08) .200 6 45 23 1 (2.54) ty p .100 (0.8) dia ty p .031 (2.54) .100 (6.6) .260 pcb (1.3) .051 interruption b y end of pcb (1.3) .051 interruptio n b y end of pcb 26 pcb series a process sealed subminiature rockers indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable b rockers touch tilt toggles www.nkkswitches.com
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