DIP Switches Thru-Hole DIP Switches SERIES 76 and 78 SPDT FEATURES  Raised and Recessed Rocker, and Toggle Actuated Styles  SPDT with a Common Pole, or SPDT with 2 Isolated Circuits  Spring and Ball Contact  Top Tape Seal Option for Most Styles DIMENSIONS: Series 76 In inches (and millimeters) CIRCUITRY: Series 76 Series 76 Raised Rocker Toggle-DIP SPDT with Common .380 ± .010 True Form C Switching (9,65 ± 0,25) 1 2 C1 .447 ± .015 A = .247 ± .010 .380 ± .010 (11,35 ± 0,38) (6,27 ± 0,25) (9,65 ± 0,25) 1 2 1 2 TYP. C1 C1 C2 .295 + .000 –.020 .020 + .005 –.000 A (7,49 –0,51) (0,51 + 0,13) C2 C2 Recessed Rocker 1 C1 1 C1 .156 + .015 –.010 .050 ± .005 (3,96 + 0,38 –0,25) (1,27 ± 0,13) .180 ± .010 .090 ± .005 .247 ± .010 .020 (4,57 ± 0,25) (2,29 ± 0,13) (6,27 ± 0,25) ± .002 .012 ± .001 TYP. (0,51 (0,30 ± 0,03) ± 0,05) .100 ± .005 .300 + .030 –.000 TYP. (2,54 ± 0,13) C C (7,62 + 0,76) L L TYP. DIMENSIONS: Series 78 In inches (and millimeters) CIRCUITRY: Series 78 Series 78 Slide SPDT, 2 Circuits (No Commons) 1 2 3 4 5 0.380 ± .005 Dot on cover indicates active terminal when (9,65 ± 0,13) slide is on that side of switch. Contact is made with terminal on opposite side. DIM. A SEE CHART .100 ± .002 .070 (1,78) REF. 1 1 (2,54 ± 0,05) .295 + .000 –.020 A .020 (7,49 –0,51) ± .002 .156 + .015 –.010 (0,51 (3,96 + 0,38 –0,25) TYP. ± 0,05) .020 ± .002 (0,51 ± 0,05) TYP. A = .245 + .000 –.020 .050 ± .005 .090 ± .005 (2,29 ± 0,13) TYP. (6,22 + 0,51) (1,27 ± 0,13) .100 ± .005 (2,54 ± 0,13) TYP. TYP. .180 ± .010 (4,57 ± 0,25) C C L L .012 ± .001 (0,30 ± 0,03) To create common poles, tie together 2 .300 + .030 –.000 C C (7,62 + 0,76) L L adjoining terminals on 1 (either) side of switch. ORDERING INFORMATION Available from your local Grayhill Distributor. Circuitry Positions Length Length No./ Raised Recessed Toggle- For prices and discounts, contact a local Sales Inches Metric Tube Type* Rockers* DIP* Office, an authorized local Distributor or Grayhill. SPDT 2 0.380" 9,7mm 27 76SC02T 76RSC02T 76STC02T Form 3 0.580" 14,7mm 18 76SC03T 76RSC03T 76STC03T C 4 0.780" 19,8mm 13 76SC04T 76RSC04T 76STC04T SPDT 1 0.280" 7,1mm 35 78J01T —— 2 2 0.480" 12,2mm 21 78J02T —— Circuits 3 0.680" 17,3mm 15 78J03T —— 4 0.880" 22,4mm 12 78J04T —— 5 1.080" 27,4mm 9 78J05T —— 6 1.280" 32.5mm 8 78J06T *To order top seal versions, add "S" before the "T" in the Grayhill part number. Not available on Toggle-DIP. DIP Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 12 DIP Switches Thru-Hole DIP Switches SPECIFICATIONS: Standard Styles 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 mΩ≤ 30 mΩ≤ 20 mΩ After life, at 10 mA, 50 mVdc, open circuit: ≤ 100 mΩ≤ 100 mΩ≤ 100 mΩ 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 20°C 5 A 4 A 3 A 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 Soldering Information Materials and Finishes Mechanical Ratings Series 90 MIDIP and Series 76 recessed rocker Shorting Member (Ball): Brass, gold-plated Vibration Resistance: Per Method 204, Test (76RSB style) sealed switches have been tested over nickel barrier. Condition B, 1 mS opening (10 mS allowed) Base Contacts: Copper alloy, gold-plated Mechanical Shock: Per Method 213, Test to EIA Standard RS-448-2. Similar performance can be expected from other sealed Series 76 over nickel barrier. Condition A. 1 mS opening (10 mS allowed) Thermal Shock Resistance: Per specification; and 78 DIP switches. Terminals: Copper alloy, matte tin plated over Solderability: Per MIL-STD-202, Method 208 nickel barrier. no failures; passes contact resistance. Resistance to Soldering Heat: 76RSB: Passes Non-Conductive Parts: Thermoplastic (UL94V-O) Terminal Strength: Per specification Potting Material: Epoxy, 76,78 only. Thermal Aging: 1,000 hours at 85°C; no failures. EIA Standard using two, four, and six second soldering time. 90: Per MIL-S-83504, six second Protective Cover: 76,78, only-Polycarbonate. test. Tape Seal: Environmental Ratings Fluxing: Per EIA RS-448-2 with flux touching 76, 78: Polyester film Meets all requirements of MIL- S-83504. Where switch body. 90: Polyimide film Grayhill performance is superior, the MIL spec is Tape Seal Integrity: Passes gross leak test Cleaning: 76, 78 and 90 series tape sealed listed in parentheses. products: Passes immersion test using water/ using 125°C flourinert for 20 seconds minimum. Moisture Resistance: Per MIL-STD-202, detergent. Acceptable solutions include 1-1-1 Reference MIL-STD-202, Method 112. Method 106. 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. Recommended Soldering Conditions: Reflow REFLOW TEMPERATURE PROFILE: Soldering MAX 260° Profile: 255° 230° (260°C Peak 150° Temperature) Room Temperature 120-150 sec. 5-10 sec. 60 sec. WAVE SOLDERING: 260°C maximum solder temperature for 5 seconds max. DIP Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 14