DIP Switches Thru-Hole DIP Switches SERIES 79A Linear Action Circuit Selector SERIES 79C Linear Action Tap FEATURES • Single-Setting Programming • Isolated or Bussed Circuits Circuit Selector Tap Switch • 10 or 16 Positions Isolated Circuits in 10 and 16 Positions SP/10 Positions, and SP/16 Postions Each position is a single isolated circuit, which All contacts on one side of the switch are internally • 125 mA, 6 Vdc, 2000 Cycles connects the two terminals across the switch bussed for a common pole. Any terminal on that package. The movable contact is non-shorting. side may be used as a common, the others may be clipped. The movable contact is non-shorting. CIRCUITRY DIMENSIONS In inches (and millimeters) Circuit Selector DIMENSION A DIMENSION A For 10 Position Switch: ± .010 (0,25) 1.180 ± .010 (29,97 ± 0,25) For 16 Position Switch: 1 2 3 4 5 6 7 8 9 10 1.780 ± .010 (45,21 ± 0,25) .395 ± .010 (10,03 ± 0,25) .080 ± .005 (2,03 ± 0,13) .100 ± .005 .015/.020 .145 + .010 – .015 (2,54 ± 0,13) (0,38/0,51) (3,68 + 0,25 –0,38) TYP. TYP. .250 ± .010 Tap Switch (6,35 ± 0,25) .190 ± .010 .012 ± .001 (4,83 ± 0,25) 1 2 3 4 5 6 7 8 9 10 .020 ± .002 (0,51 ± 0,05) TYP. (0,30 ± 0,03) .050 ± .005 TYP. (1,27 ± 0,13) .100 ± .005 (2,54 ± 0,13) TYP. .180 ± .010 TYP. C L (4,57 ± 0,25) .300 + .030 – .000 .140 ± .005 (3,56 ± 0,13) TYP. C C (7,62 + 0,76 – 0,00) C L L L SPECIFICATIONS Mechanical Ratings Electrical Ratings Mechanical Life: 4,000 cycles maximum. Note: Materials and Finishes Make-and-break Current Rating: 2,000 cycles a cycle is one complete operation, back and Nonconductive Parts: Plastic UL94V-O at 10 mA, 50 mVdc; 2,000 cycles at 125 mA, 6 forth through all switch positions. Shorting Arm: Phosphor bronze, gold plate Vdc; 2,000 cycles at 50 mA, 30 Vdc. Vibration Resistance: 10 to 2,000 Hz at 15G over nickel plate Contact Resistance: (measured at 10 mA, 50 or 0.060" double amplitude, per MIL-STD-202F Base Contacts: Copper alloy, gold plate over mVdc) Coded Switches: 60 mohms maximum per MIL-5-83504; Method 213, Condition A. No nickel plate initially. Other Switches: 50 mohms maximum damage and no contact openings exceeding Terminals: Copper alloy, matte tin plated over initially. After LIfe: 100 mohms maximum 10 mS (Method 204, Test Condition B). nickel barrier. Insulation Resistance (at 100 Vdc): Shock Resistance: 509, 11 mS, half sine; no Potting Material: Epoxy Between adjacent isolated contacts: damage and no openings exceeding 10 mS Initial:5,000 Mohms; 1,000 Mohms minimum (Method 213, Test Condition A). Tape and Seal Packaging after life. Across open contacts: Initial: 5,000 Seal Strength: Per MIL-STD-202, Method 112. Mohms; 1,000 Mohms minimum after life. 30 seconds at 125° hot Fluorocarbon Environmental Rating Dielectric Strength: Between adjacent isolated Solderability: Per MIL-STD-202, Method 208. Operating Temperature Range: -40°C to contacts and also across open contacts. Initially: Tape Seal: Polyester film +85°C 750 Vac: 500 Vac after life Storage Temperature Range: -55°C to +85°C Contact Carry Rating: 2 Amps with a maximum Available from your local Grayhill Distributor. Moisture Resistance: 240 hours with contact temperature rise of 20°C For prices and discounts, contact a local Sales temperature cycling and polarization, per MIL- Office, an authorized local Distributor or Grayhill. STD-202F, Method 305 ORDERING INFORMATION Number of Positions Type of Circuit Code Number per Tube Part Number* 10 Circuit Selector 9 79A10T 10 Single Pole 9 79C10T 16 Circuit Selector 6 79A16T 16 Single Pole 6 79C16T *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 15 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com