78K02ST

Thru-Hole DIP Switches SERIES 76 and 78 DPDT FEATURES • Raised and Recessed Rocker, and Toggle Actuated Styles • DPDT with Common Poles, or DPDT with 4 Isolated Circuits • Spring and Ball Contact • Top Tape Seal Option for Most Styles DIMENSIONS: Series 76 CIRCUITRY: Series 76 In inches (and millimeters) Series 76 Raised Rocker, Double-DIP DPDT with Commons True Form D Switching Toggle-DIP .380 ± .010 (9,65 ± 0,25) .447 ± .015 (11,35 ± 0,38) TYP. C1 1 .380 ± .010 (9,65 ± 0,25) 2 A = .247 ± .010 (6,27 ± 0,25) C1 1 C1 2 1 2 C2 .020 + .005 –.000 (0,51 + 0,13) C2 .295 + .000 –.020 (7,49 –0,51) A DIP Switches Recessed Rocker .156 + .015 –.010 (3,96 + 0,38 –0,25) .050 ± .005 (1,27 ± 0,13) .090 ± .005 (2,29 ± 0,13) TYP. .100 ± .005 (2,54 ± 0,13) TYP. .020 ± .002 (0,51 ± 0,05) TYP. .180 ± .010 (4,57 ± 0,25) DIMENSIONS: Series 78 C L C L .247 ± .010 (6,27 ± 0,25) .380 ± .005 (9,65 ± 0,25) C2 C2 DPDT, 4 Circuits (No Commons) Dot on cover indicates active terminal when slide is on that side of switch. Contact is made with terminal on opposite side. 2 .070 (1,78) REF. DIM. A SEE CHART A .020 ± .002 (0,51 ± 0,05) .020 ± .002 (0,51 ± 0,05) TYP. .090 ± .005 (2,29 ± 0,13) TYP. .100 ± .005 (2,54 ± 0,13) TYP. 1 C1 2 CIRCUITRY: Series 78 In inches (and millimeters) .300 ± .002 (7,62 ± 0,05) 1 C1 2 .012 ± .001 (0,30 ± 0,03) .300 + .030 –.000 (7,62 + 0,76) Series 78 Slide 1 C2 1 1 .156 + .015 –.010 (3,96 + 0,38 –0,25) TYP. A = .245 + .000 –.020 (6,22 + 0,51) .050 ± .005 (1,27 ± 0,13) TYP. C L C L C L .295 + .000 –.020 (7,49 –0,51) C L .180 ± .010 (4,57 ± 0,25) .012 ± .001 (0,30 ± 0,03) .300 + .030 –.000 (7,62 + 0,76) To create common poles, tie together 2 adjoining terminals on 1 (either) side of switch. ORDERING INFORMATION Circuitry No./ Positions Length Inches Length Metric No./ Tube Raised Type* Recessed Rockers* ToggleDIP* DPDT Form D 1 2 0.380" 0.780" 9,7mm 19,8mm 27 13 76SD01T 76SD02T 76RSD01T 76RSD02T 76STD01T 76STD02T DPDT 4 Circ. 1 2 0.480" 0.880" 12,2mm 22,4mm 21 12 78K01T 78K02T — — — — Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or 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. Not available on Toggle-DIP. DIP 13 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 5 A 4 A 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 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 MIL-STD-202, 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. DIP Switches 76 Mechanical Life: Operations per switch position 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: 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. Recommended Soldering Conditions: Reflow Soldering Profile: (260°C Peak Temperature) Wave Soldering: 260°C maximum solder temperature for 5 seconds max. ** Note: 100% matte tin terminal plating does not meet MIL-S-83504 for lead content. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com DIP 14