grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.grayhill.com thru-hole dip switches dip switches series 78 spst to 4pst slide open closed series 90hbw 90b 76 78 fe atures ? raised and recessed slides ? spst, 2pst, 3pst, 4pst ? sealed base standard ? spring and ball contact ? top tape seal option 2 13 4 o n 2 13 4 o n single pole/single throw switch circuit ry for switches with 5, 6, 7, 8, or 10pst circuitry, contact grayhill. typical multiple pole switch typical c ircuit diagram 1 o n 1 o n no. of length length no./ raised recessed c ircuitry positions i nches metric tube slides* slides* 2 0.280" 7,1mm 35 78b02 78rb02 3 0.380" 9,7mm 27 78b03 78rb03 4 0.480" 12,2mm 21 78b04 78rb04 5 0.580" 14,7mm 18 78b05 78rb05 spst 6 0.680" 17,3mm 15 78b06 78rb06 7 0.780" 19,8mm 13 78b07 78rb07 8 0.880" 22,4mm 12 78b08 78rb08 9 0.980" 24,9mm 10 78b09 78rb09 10 1.080" 27,4mm 9 78b10 78rb10 12 1.280" 32,5mm 8 78b12 78rb12 1 0.280" 7,1mm 35 78f01 2 0.480" 12,2mm 21 78f02 2pst 3 0.680" 17,3mm 15 78f03 4 0.880" 22,4mm 12 78f04 recessed 5 1.080" 27,4mm 9 78f05 slides 6 1.280" 32,5mm 8 78f06 not available 1 0.380" 9,7mm 27 78g01 3pst 2 0.680" 17,3mm 15 78g02 3 0.980" 24,9mm 10 78g03 4pst 1 0.480" 12,2mm 21 78h01 2 0.880" 22,4mm 12 78h02 ordering infor mation single pole/single throw switch in raised and recessed slides dimensions in inches (and millimeters) note: recessed slides have a dimple for tool actuation. for recessed slides, the .295 dimension does not apply. double pole/single throw and typical multiple pole switch with raised slides 2 1 o n .380 .010 (9,65 0,25) see ordering information c l c l dim. b .002 ( 0,05) .020 .002 (0,51 0,05) .090 .005 (2,29 0,13) .100 .005 (2,5 0,13) 2pst = .100 (2,54 3pst = .200 (5,08) 4pst = .300 (7,62) = 2 1 3 45 67 89 10 o n .380 .010 (9,65 0,25) see ordering information c l c l .060 .002 (1,52 0,05) .020 .002 (0,51 0,05) .090 .005 (2,29 0,13) .100 .005 (2,5 0,13) c l c l .070 (1,78) ref. a .295 + .000 C.020 (7,49 C0,51) .020 .002 (0,51 0,05) .156 + .015 C.010 (3,96 + 0,38 C0,25) typ. a = .245 + .000 C.020 (6,22 + 0,51) .050 .005 (1,27 0,13) typ. .180 .010 (4,57 0,25) .012 .001 (0,30 0,03) .300 + .030 C.000 (7,62 + 0,76) *a top tape seal is required for switches that are machine soldered or heavily cleaned after hand soldering. to order top seal versions, add "s" to the grayhill part number. available from your local grayhill distributor. for prices and discounts, contact a local sales offce, an authorized local distributor or grayhill. 12 34 5 see ordering informa tion
ratings 76 78 90b mechanical life: operations per switch position 2,000 2,000 2,000 make-and-break current rating: operations per switch position at these resistive loads 1 ma, 5 vdc; 50 ma, 30 vdc; or 150 ma, 30 vdc: 2,000 2,000 10 ma, 30 vdc; or 10 ma, 50 mvdc: 2,000 10 ma, 50 mvdc; or 25 ma, 24 vdc; or 100 ma, 6 vdc: 2,000 contact resistance: initially: 30 m ? 30 m ? 20 m ? after life, at 10 ma, 50 mvdc, open circuit: 100 m ? 100 m ? 100 m ? insulation resistance: minimum, at 100 vdc between adjacent closed contacts and also across open switch contacts initially (mohms): 5,000 5,000 5,000 after life (mohms): 1,000 1,000 1,000 dielectric strength: minimum voltage (ac, rms) measured between adjacent closed contacts and also across open switch contacts. lnitially: 750 v 750 v 500 v after life: 500 v 500 v 500 v current carry rating: maximum rise of 20c 5 a 4 a 3 a switch capacitance: at 1 megahertz 2 pf 2 pf 2 pf operating temperature range: -40c to + 85c -40c to + 85c -40c to + 85c storage temperature range: -55c to + 85c -55c to + 85c -55c to + 85c spe cificatio n s : standard styles mechanical ratings vibration resistance: p er method 204, test condition b, 1 ms opening (10 ms allowed) mechanical shock: p er method 213, test condition a. 1 ms opening (10 ms allowed) thermal shock resistance: p er specifcation; no failures; passes contact resistance. terminal strength: p er specifcation thermal aging: 1,000 hours at 85c; no failures. environmental ratings meets all requirements of mil- s-83504.** where grayhill performance is superior, the mil spec is listed in parentheses. moisture resistance: p er mil-std-202, method 106. soldering information series 90 midi p and series 76 recessed rocker (76rsb style) sealed switches have been tested to e ia standard rs-448-2. similar performance can be expected from other sealed series 76 and 78 di p switches. solderability: p er mil-std-202, method 208 resistance to soldering heat: 76rsb: p asses e ia standard using two, four, and six second soldering time. 90: p er mil-s-83504, six second test. fluxing: p er e ia rs-448-2 with fux touching switch body. cleaning: 76, 78 and 90 series tape sealed products: p asses immersion test using water/ detergent. acceptable solutions include 1-1-1 trichlorethane, freon, (tf, t e , or tms), isopropyl alcohol, detergent (140f maximum). terpene acceptable for series 90 only. solutions which are not recommended include acetone, methylene chloride, freon tmc. materials and finishes shorting member (ball): brass, gold-plated over nickel barrier. base contacts: copper alloy, gold-plated over nickel barrier. terminals: copper alloy, matte tin plated over nickel barrier. non-conductive parts: thermoplastic (ul94v-o) potting material: e poxy, 76,78 only. protective cover: 76,78, only- p olycarbonate. tape seal: 76, 78: p olyester flm 90: p olyimide flm tape seal integrity: p asses gross leak test using 125c fourinert for 20 seconds minimum. reference mil-std-202, method 112. refow soldering p rofle: (260c p eak temperature) recommended soldering conditions: w av e s old e ri n g : 260c maximum solder temperature for 5 seconds max. ** n ote: 100% matte tin terminal plating does not meet mil-s-83504 for lead content. di p 14 thru-hole dip switches dip switches grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.grayhill.com
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