Thru-Hole DIP Switches FEATURES • Raised and Recessed Slides • SPST, 2PST, 3PST, 4PST • Sealed Base Standard • Spring and Ball Contact • Top Tape Seal Option SERIES 78 SPST To 4PST Slide 78 DIMENSIONS In inches (and millimeters) Typical Multiple Pole Switch with Raised Slides (Switch shown here is 78H02, 4PST) Single Pole/Single Throw Switch in Raised and Recessed Slides .380 ± .010 (9,65 ± 0,25) O N 1 2 3 4 5 6 7 8 9 10 Note: Recessed slides have a dimple for tool actuation. For recessed slides, the .295 dimension does not apply. .380 ± .010 (9,65 ± 0,25) Length ± .010 (± 0.25) See Ordering Information DIP Switches A .020 ± .002 (0,51 ± 0,05) .020 ± .002 (0,51 ± 0,05) .090 ± .005 (2,29 ± 0,13) .100 ± .005 (2,5 ± 0,13) C L DIM. B ± .002 (± 0,05) .295 + .000 –.020 (7,49 –0,51) .156 + .015 –.010 (3,96 + 0,38 –0,25) TYP. C L C L .180 ± .010 (4,57 ± 0,25) .012 ± .001 (0,30 ± 0,03) .300 + .030 –.000 (7,62 + 0,76) .020 ± .002 (0,51 ± 0,05) .090 ± .005 (2,29 ± 0,13) .100 ± .005 (2,5 ± 0,13) C L Single Pole/Single Throw Switch O N No. of Circuitry Positions 1 2 3 4 SPST Typical Multiple Pole Switch O N 1 Typical Circuit Diagram O N 1 2PST 3PST 4PST For switches with 5, 6, 7, 8, or 10PST circuitry, contact Grayhill. *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" before the "T" in the Grayhill part number. DIP 11 C L ORDERING INFORMATION CIRCUITRY 1 2 3 4 DIM. B 2PST = .100 (2,54 3PST = .200 (5,08) 4PST = .300 (7,62) A = .245 + .000 –.020 (6,22 + 0,51) .050 ± .005 (1,27 ± 0,13) TYP. C L O N 2 Length ± .010 (± 0.25) See Ordering Information .070 (1,78) REF. .060 ± .002 (1,52 ± 0,05) 1 O N Length Inches Length Metric No./ Tube Raised Slides* Recessed Slides* 2 3 4 5 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 78B03T 78B04T 78B05T 78B06T 78B07T 78B08T 78B09T 78B10T 78B12T 78RB02T 78RB03T 78RB04T 78RB05T 78RB06T 78RB07T 78RB08T 78RB09T 78RB10T 78RB12T 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 78F05T 78F06T Recessed Slides Not Available 1 2 3 0.380" 0.680" 0.980" 9,7mm 17,3mm 24,9mm 27 15 10 78G01T 78G02T 78G03T 1 2 0.480" 0.880" 12,2mm 22,4mm 21 12 78H01T 78H02T 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 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 Insulation Resistance: Minimum, at 100 Vdc between adjacent closed contacts and also across open switch contacts Initially (Mohms): After life (Mohms): 5,000 1,000 5,000 1,000 5,000 1,000 Dielectric Strength: Minimum voltage (AC, RMS) measured between adjacent closed contacts and also across open switch contacts. lnitially: After life: 750 V 500 V 750 V 500 V 500 V 500 V Contact Resistance: Initially: After life, at 10 mA, 50 mVdc, open circuit: Current Carry Rating: Maximum rise of 20°C 5A 4A 3A Switch Capacitance: At 1 megahertz 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 DIP Switches 76 Mechanical Life: Operations per switch position Mechanical Ratings Soldering Information Materials and Finishes 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. 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. 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: Epoxy, 76,78 only. Protective Cover: 76,78, only-Polycarbonate. 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. Environmental Ratings Meets all requirements of MIL- S-83504. Where Grayhill performance is superior, the MIL spec is listed in parentheses. Moisture Resistance: Per MIL-STD-202, Method 106. Recommended Soldering Conditions: Reflow Soldering Profile: (260°C Peak Temperature) REFLOW TEMPERATURE PROFILE: MAX 260° 255° 230° 150° Room Temperature 120-150 sec. 5-10 sec. 60 sec. WAVE SOLDERING: 260°C maximum solder temperature for 5 seconds max. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com DIP 14