273 www.meder.com meder electronic mk22 series description mk22-sensors are magnetically operated, over moulded reed proximity switches for smd mounting. lead design 1: flat, straight leads for pcb slot mounting. lead design 2: flat, bent smd leads (15.6 mm length) lead design 3: flat, bent smd leads (19.5 mm length) magnet force and position magnet/sensor determine pull-in and drop-out point. the sensors are supplied taped & reeled according to iec 286/ part 3 suitable for auto-placement. features over moulded reed switches for better mechani - cal resistance flat leads in three different designs tape & reel package six operate sensitivities available no external power required for sensor operation ? ? ? ? ? applications electronic pcb`s where all components are surface mounted no power-requirement sensor for low power applications telecommunication applications automotive applications ? ? ? ? pad layout all dimensions in mm [inch] unspecifed tolerances +/- 0.1 mm 2.00 1.50 17.00 lead design 1 2.00 1.50 20.50 lead design 4 reed sensors for smd mounting lead design 2 2.00 1.50 17.00
274 www.meder.com meder electronic reed sensors for smd mounting mk22 series dimensions all dimensions in mm [inch] unspecifed tolerances +/- 0.1 mm lead design 1 lead design 2 lead design 4
275 www.meder.com meder electronic mk22 series order information part number example mk22 - b - 4 b is the magnetic sensitivity 4 is the lead design tape & reel reed sensors for smd mounting sensitivity class pull in at range b 10 - 15 c 15 - 20 series magnetic sensitivity lead design mk 22 - x - x options a, b, c 1, 2, 4 magnetic sensitivity
276 www.meder.com meder electronic reed sensors for smd mounting mk22 series soldering information reflow soldering conditions according jedec norm j-std-020c ramp up : max. 6k/s ramp down: max. 8/k s 120 s 40 s 120-180 s 183 o c 260 o c 125 o c
277 www.meder.com meder electronic contact data reed sensors for smd mounting mk22 series all data at 20 c contact form form a contact ratings conditions min. typ. max. units switching power any dc combination of v & a not to exceed their individual max.s w switching voltage dc or peak ac v switching current dc or peak ac a carry current dc or peak ac 1.25 a static contact resistance (initial) 9p p insulation resistance rh 45% 12 breakdown voltage 9rowdhdssolhirvhfpl vdc operate time incl. bounce hdvhrhlh ms release time measured w/ no coil suppression ms capacitance dwn]frvvfrwdfw pf contact operation ** oofpr fro.0 3.5 at rs2w6lwfkprlh hvwfrlo.6 5.5 28 at environmental data shock resistance 1/2 sinus wave duration 11 ms g vibration resistance )rp] g ambient temperature &plwhpd[doordeoh o c stock temperature &plwhpd[doordeoh o c soldering temperature 5 sec. o c khllfdwhhohfwlfdodwddhpd[lppdohvdfddrdvkhvldprh sensitive switch. consult factory if more detail is required. khvhdhvhihwrwkhfwprlh5hh6lwfkhvhvflehlr5hh6lwfkvhfwlr consult factory if more detail is required.
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