278 www.meder.com meder electronic open reed sensors for smd mounting mk23 series description mk23-sensors are magnetically operated, open reed proximity switches for smd mounting. lead design 1: flat, straight leads for pcb slot mounting. lead design 2: flat, bent smd leads (gull-wing) lead design 4: round, bent smd leads for pcb slot mounting 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 reed switches without moulding case for reasonable products five different switch models flat or round leads in three different designs four operate sensitivities available tape & reel package 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 ? ? ? ? dimensions all dimensions in mm [inch] unspecifed tolerances +/- 0.1 mm mk23-35 mk23-66 mk23-87 mk23-46 mk23-80 lead design 1 lead design 2 mk23-35
279 www.meder.com meder electronic dimensions all dimensions in mm [inch] unspecifed tolerances +/- 0.1 mm open reed sensors for smd mounting mk23 series lead design 4 mk23-66 mk23-80 lead design 2 mk23-46 lead design 4 mk23-87 lead design 2 lead design 4 lead design 2 lead design 4 0.50 [0.020] 0.84 [0.033] 20.3 0 [0.799 ] 2.20 [0.087] 14.0 0 [0.551] max. 8.62 [0.339] 13.30 [0.524] 1.80 [0.071] 7.00 [0.276] max. 5.12 [0.202] 0.30 [0.012] 0.69 [0.027] 16.3 0 [0.642] 2.00 [0.079] 10.00 [0.394] max. 6.62 [0.261] 0.40 [0.016] 0.79 [0.031] 12.0max. [0.472] ? 2.0max. [0.008] 0.5 [0.02] 1.10.2 [0.0430.008] 14. 8 [0.582] 17. 6 [0.692] 8. 8 [0.346] max. 7.62 [0.300 ] 0.50 [0.020] 2.00 [0.079] 0.84 [0.033 ] 18.3 0 [0.720] 12.0 0 [0.472] ?2.2 max. [0.087 ] ?0.5 [0.02 ] 19.60.3 [0.7720.012] 16.0 [0.63] 14.0 max . [0.551] 0.80.1 [0.0310.004] 10.20.2 [0.4020.014] [0.002] 0.05 2.00.3 [0.0790.012] 1.4 [0.055] 13.0 [0.512] 7.0 max . [0.276] ? 2.0max . [0.079 ] 1.00.2 [0.040.008] 12.8 [0.504] 15.6 [0.614] 10.0max. [0.394] 0. 4 [0.016 ] lead design 2
280 www.meder.com meder electronic open reed sensors for smd mounting mk23 series pad layout all dimensions in mm [inch], unspecifed tolerances +/- 0.1 mm mk23-35 version 4 mk23-80 version 2 version 1+2 2.00 1.50 17.00 mk23-46 mk23-66 version 4 version 2 version 4 mk23-87 version 4 1.9 [0.075] 1.8 [0.071] 18.0 [0.708] version 2 1.9 [0.075] 1.8 [0.071] 19.30 [0.760] 1.9 [0.075] 1.8 [0.071] 21.30 [0.839] version 2 1.7 [0.067] 1.6 [0.063] 14.3 [0.563] 1.8 [0.071] 1.7 [0.067] 17.3 [0.681] 2.8 [0.1 1] 2.0 [0.079] 20.30 [0.799] 1.6 [0.063] 1.5 [0.059] 13.5 [0.513] 1.7 [0.067] 1.6 [0.063] 16.0 [0.630]
281 www.meder.com meder electronic part number example mk23 -35 - b - 2 35 reed switch form b is the magnetic sensitivity 2 is the lead design series contact form sensitivity class pull-in range mt contact terminal mk23 35 b 1.0 - 2.3 1, 2 mk23 35 c 1.5 - 3.1 1, 2 mk23 46 b 1.1 - 1.8 2, 4 mk23 46 c 1.5 - 2.1 2, 4 mk23 46 d 2.0 - 2.5 2, 4 mk23 46 e 2.4 - 3.0 2, 4 mk23 66 b 1.1 - 1.8 2, 4 mk23 66 c 1.5 - 2.1 2, 4 mk23 66 d 2.0 - 2.5 2, 4 mk23 66 e 2.4 - 3.0 2, 4 mk23 80 b 1.6 - 2.2 2, 4 mk23 80 c 1.9 - 2.5 2, 4 mk23 80 d 2.3 - 2.8 2, 4 mk23 80 e 2.7 - 3.2 2, 4 mk23 87 b 1.1 - 1.8 2, 4 mk23 87 c 1.7 - 2.4 2, 4 mk23 87 d 2.3 - 2.7 2, 4 mk23 87 e 2.5 - 3.0 2, 4 lead designs mk23 series open reed sensors for smd mounting lead design 4
282 www.meder.com meder electronic contact data open reed sensors for smd mounting mk23 series all data at 20 c contact form switch model form a unit 35 46 66 80 87 switching power max. any dc combination of v & a not to exceed their individual max.s w switching voltage max. dc or peak ac v switching current max. dc or peak ac a carry current max. dc or peak ac a static contact resistance max. p p insulation resistance min. rh 45% breakdown voltage min. rowdhdssolhgirvhfpl . 225 225 vdc operate time incl. bounce max. hdvhgrhglh ms release time max. measured w/ no coil suppression ms capacitance type dwnfrvvfrwdfw pf contact operation ** pull-in 6 - 35 7 - 37 at drop-out 5.5 - 28 4 - 27 4 - 62 6 - 42 at environmental data shock resistance max. vlvdhgdwlrpv g vibration resistance max. )rp g ambient temperature &plwhpddoordeoh swr o c stock temperature &plwhpddoordeoh swr o c soldering temperature max. 5 sec. o c 7khlglfdwhghohfwlfdogdwddhpdlppdohvdgfddgrdgvkhvldprhvhvlwlhvlwfk&rvowidfwrli more detail is required. 7khvhdhvhihwrwkhfwprglhg5hhg6lwfkhvghvflehglr5hhg6lwfkvhfwlr&rvowidfwrliprhghwdlolv required.
283 www.meder.com meder electronic mk23 series open reed sensors for smd mounting tape & reel mk23-35-x-1,2 mk23-46-x-2,4 mk23-66-x-2,4 ?1.50+0.10-0.00 [0.059+0.004-0.00 ] 16.80 [0.661] 11 .00 [0.443] 0.36 [0.014] 2.15 [0.085] 8.00 [0.314] 28.40min. [1.1 18] 1.75 [0.069] 2.00 [0.079] 4.00 [0.157] 14.20 [0.559] 32.000.30 [1.260.012] ?2.0 0 [0.079 ] 1.70+0.15-0.05 [0.067+0.006-0.002] 1.50+0.10-0.00 [0.059+0.004-0.00] ?1.5 [0.059] 16.05 [0.632] 14.2 [0.559] 1.75 [0.069] 28.40.1 [1.1 180.004] 32.00.3 [1.260.012] ?1.7 [0.067] 2.3 [0.091] 8.0 [0.315] 0.3 [0.012] 2.0 [0.079] 4.0 [0.157] ?1.5 [0.059] 16.05 [0.632] 7.0 [0.276] 13.30 [0.524] 20.30 [0.799] 14.2 [0.559] 1.75 [0.069] 28.40.1 [1.1 180.004] 32.00.3 [1.260.012] ?1.7 [0.067] 2.3 [0.091] 8.0 [0.315] 0.3 [0.012] 2.0 [0.079] 4.0 [0.157]
284 www.meder.com meder electronic open reed sensors for smd mounting mk23 series 0.60 [0.024] 0.300.05 [0.0120.002] 1.600.01 [0.0630.004] 2.050.01 [0.0810.004] 8.000.01 [0.3150.004] ?1.500.01 [0.0590.004] 1.750.1 [0.0690.004] 13.50.2 [0.5130.008] 7.10.1 [0.280.004 ] 240.03 [0.9450.012] 11 .50.15 [0.0690.006] 20.1 [0.0790.004 ] 40.1 [0.1570.004] 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 mk23-80-x-2,4 mk23-87-x-2,4 po 4.40.1 (ii) [0.1730.004] ref 0.77 [0.03] 11.11 [0.437] 19. 8 [0.78] t 0.330.05 [0.1120.002] do ?1.650.1 [0.06520.004] 8. 8 [0.346] 1.76 [0.069] 2.26 [0.089] p2 2.20.1 (i ) [0.0870.004] 35. 2 [1.386] 15.62 (iii) [0.615] 31.24 [1.23] e 1.930. 1 [0.0760.004 ] 2. 1 [0.083] y a y
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