78B08RAT

90B Thru-Hole DIP Switches SERIES 78 FEATURES • Raised and Recessed Slides • SPST, 2PST, 3PST, 4PST • Sealed Base Standard • Spring and Ball Contact • Top Tape Seal Option 76 SPST To 4PST Slide 78 DIP Switches DIMENSIONS In inches (and millimeters) Double Pole/Single Throw and Typical Multiple Pole Switch with Raised Slides   Single Pole/Single Throw Switch in Raised and Recessed Slides O N 1 2 3 4 5 6 7 8 9 10 .380 ± .010 (9,65 ± 0,25) Note: Recessed slides have a dimple for tool actuation. For recessed slides, the .295 dimension does not apply. O N SEE ORDERING INFORMATION A .020 ± .002 (0,51 ± 0,05) .020 ± .002 (0,51 ± 0,05) .090 ± .005 (2,29 ± 0,13) DIM. B = 2PST = .100 (2,54 3PST = .200 (5,08) ± .002 4PST = .300 (7,62) (± 0,05) .295 + .000 –.020 (7,49 –0,51) SEE ORDERING INFORMATION A = .245 + .000 –.020 (6,22 + 0,51) .050 ± .005 (1,27 ± 0,13) TYP. C L .380 ± .010 (9,65 ± 0,25) .156 + .015 –.010 (3,96 + 0,38 –0,25) TYP. .100 ± .005 (2,54± 0,13) C L 2 SEE ORDERING INFORMATION .070 (1,78) REF. .060 ± .002 (1,52 ± 0,05) 1 C L C L 1 .180 ± .010 (4,57 ± 0,25) .012 ± .001 (0,30 ± 0,03) .300 + .030 –.000 (7,62 + 0,76) 2 3 4 5 .020 ± .002 (0,51 ± 0,05) .090 ± .005 (2,29 ± 0,13) .100 ± .005 (2,54 ± 0,13) C L C L ORDERING INFORMATION CIRCUITRY   Single Pole/Single Throw Switch O N 1 2 3 4 Typical Multiple Pole Switch O N 1 O N 1 2 3 4 Typical Circuit Diagram O N 1 For switches with 5, 6, 7, 8, or 10PST circuitry, contact Grayhill. No. of Length Circuitry Positions Inches Length Metric No./ Tube Raised Slides* Recessed Slides* 2 3 4 5 SPST 6 7 8 9 10 12 0.280" 0.380" 0.480" 0.580" 0.680" 0.780" 0.880" 0.980" 1.080" 1.280" 7,1mm 9,7mm 12,2mm 14,7mm 17,3mm 19,8mm 22,4mm 24,9mm 27,4mm 32,5mm 35 27 21 18 15 13 12 10 9 8 78B02T 78RB02T 78B03T 78RB03T 78B04T 78RB04T 78B05T 78RB05T 78B06T 78RB06T 78B07T 78RB07T 78B08T 78RB08T 78B09T 78RB09T 78B10T 78RB10T 78B12T 78RB12T 2PST 1 2 3 4 5 6 0.280" 0.480" 0.680" 0.880" 1.080" 1.280" 7,1mm 12,2mm 17,3mm 22,4mm 27,4mm 32,5mm 35 21 15 12 9 8 78F01T 78F02T 78F03T 78F04T Recessed 78F05T Slides 78F06T Not Available 3PST 1 2 3 0.380" 0.680" 0.980" 9,7mm 27 17,3mm 15 24,9mm 10 78G01T 78G02T 78G03T 4PST 1 2 0.480" 0.880" 12,2mm 21 22,4mm 12 78H01T 78H02T T *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 Office, an authorized local Distributor or Grayhill. 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 SPECIFICATIONS: Standard Styles Ratings 76 78 90B 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: 10 mA, 30 Vdc; or 10 mA, 50 mVdc: 10 mA, 50 mVdc; or 25 mA, 24 Vdc; or 100 mA, 6 Vdc: 2,000 — — 2,000 — — — 2,000 2,000 ≤ 30 mΩ ≤ 100 mΩ ≤ 30 mΩ ≤ 100 mΩ ≤ 20 mΩ ≤ 100 mΩ Contact Resistance: Initially: After life, at 10 mA, 50 mVdc, open circuit: Insulation Resistance: Minimum, at 100 Vdc between adjacent closed contacts and also across open switch contacts   Initially (Mohms):   After life (Mohms): 5,000 5,000 5,000 1,000 1,000 1,000 Dielectric Strength: Minimum voltage (AC, RMS) measured between adjacent closed contacts and also across open switch contacts.   Initially:   After life: 750 V 500 V Current Carry Rating: Maximum rise of 20°C 750 V 500 V 500 V 500 V 5 A 4 A 3A 2 pF 2 pF 2 pF Operating Temperature Range: -40°C to + 85°C -40°C to + 85°C -40°C to + 85°C Storage Temperature Range: -55°C to + 85°C -55°C to + 85°C -55°C to + 85°C Switch Capacitance: At 1 megahertz Mechanical Ratings Vibration Resistance: Per Method 204, Test Condition B, 1 mS opening (10 mS allowed) Mechanical Shock: Per Method 213, Test Condition A. 1 mS opening (10 mS allowed) Thermal Shock Resistance: Per specification; no failures; passes contact resistance. Terminal Strength: Per specification Thermal Aging: 1,000 hours at 85°C; 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: Per specification, Method 106. Soldering Information Series 90 MIDIP® and Series 76 recessed rocker (76RSB style) sealed switches have been tested to EIA Standard RS-448-2. Similar performance can be expected from other sealed Series 76 and 78 DIP switches. Solderability: Per MIL-STD-202, Method 208 Resistance to Soldering Heat: 76RSB: Passes EIA Standard using two, four, and six second soldering time. 90: Per MIL-S-83504, six second test. Fluxing: Per EIA RS-448-2 with flux touching switch body. Cleaning: 76, 78 and 90 Series tape sealed products: Passes immersion test using water/ detergent. Acceptable solutions include 1-1-1 trichlorethane, freon, (TF, TE, or TMS), isopropyl alcohol, detergent (140°F 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 10 microinches minimum 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: Epoxy, 76,78 only. Protective Cover: 76,78, only-Polycarbonate. Tape and Reel Packaging Tape Seal: 76, 78: Polyester film 90: Polyimide film Tape Seal Integrity: Passes gross leak test using 125°C flourinert for 20 seconds minimum. Reference MIL-STD-202, Method 112. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com DIP Switches Mechanical Life: Operations per switch position