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 Positions Each position is a single isolated circuit, which A l l c o n t a c t s o n o n e s i d e o f t h e sw i t c h a r e connects the two ter minals across the switch inter nally bussed for a common pole. Any ter minal 125 mA, 6 Vdc, 2000 Cycles package. The movable contact is non-shor ting. on that side may be used as a common, the RoHS Compliant others may be clipped. The movable contact is non-shor ting. DiMeNSiONS in inches (and millimeters) CirCuiTry Circuit Selector 1 2 3 4 5 6 7 8 9 10 Tap Switch 1 2 3 4 5 6 7 8 9 10 SpeCiFiCATiONS Mechanical ratings Materials and Finishes electrical ratings Make-and-break Current rating: 2,000 cycles Mechanical Life: 4,000 cycles maximum. Note: Nonconductive parts: Plastic UL94V-O Shorting Arm: Phosphor bronze, gold plate at 10 mA, 50 mVdc 2,000 cycles at 125 mA, 6 a cycle is one complete operation, back and for th Vdc 2,000 cycles at 50 mA, 30 Vdc. through all switch positions. over nickel plate Base Contacts: Copper alloy, gold plate over Contact resistance: (measured at 10 mA, 50 Vibration resistance: 10 to 2,000 Hz at 15G or 0.060 double amplitude, per MIL-STD-202F nickel plate mVdc) Coded Switches: 60 mohms maximum initially. Other Switches: 50 mohms maximum per MIL-5-83504 Method 213, Condition A. No Terminals: Copper alloy, matte tin plated over nickel barr ier. initially. After LIfe: 100 mohms maximum damage and no contact openings exceeding 10 insulation resistance (at 100 Vdc): mS (Method 204, Test Condition B). potting Material: Epoxy Between adjacent isolated contacts: Shock resistance: 509, 11 mS, half sine no damage and no openings exceeding 10 mS Tape and Seal packaging Initial:5,000 Mohms 1,000 Mohms minimum after life. Across open contacts: Initial: 5,000 (Method 213, Test Condition A). Seal Strength: Per MIL-STD-202, Method 112. 30 seconds at 125 hot Fluorocarbon Mohms 1,000 Mohms minimum after life. Dielectric Strength: Between adjacent isolated Solderability: Per MIL-STD-202, Method 208. environmental rating Tape Seal: Polyester film contacts and also across open contacts. Initially: Operating Temperature: -40C to +85C 750 Vac: 500 Vac after life Storage Temperature: -55C to +85C Contact Carry rating: 2 Amps with a maximum Available from your local Grayhill Moisture resistance: 2 4 0 h o u r s w i t h Distributor. contact temperature r ise of 20C temperature cycling and polar ization, per MIL- Fo r p r i c e s a n d d i s c o u n t s , c o n t a c t a l o c a l STD-202F, Method 305 Sales Office, an author ized local Distr ibutor or Grayhill. OrDeriNG iNFOrMATiON Number of positions Type of Circuit Code Number per Tube part Number* 10 Circuit Selector 9 79A10T 10 Single Pole 9 79C10T *A top tape seal is required for switches that are machine soldered or heavily cleaned after hand solder ing. To order top seal versions, add before the in the Grayhill par t number. Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.comDIP Switches Thru-Hole DIP Switches SerieS 79B Linear Action, Coded Output FeATureS Reliable Switching, Positive Detent Codes in BCD and Hexadecimal Tr ue Zero Output 10 Positions 2000 Cycle Life Up to 60,000 Detent Operations RoHs Compliant DiMeNSiONS In inches (and millimeters) CirCuiTry All dimensions not shown here are the same as those on the facing page. SpeCiFiCATiONS electrical ratings Mechanical ratings Materials and Finishes Make-and-break Current rating: 2,000 cycles Nonconductive parts: Plastic UL94V-O Mechanical Life: 4,000 cycles maximum. Note: at 10 mA, 50 mVdc 2,000 cycles at 125 mA, 6 Shorting Arm: Phosphor bronze, gold plate a cycle is one complete operation, back and for th Vdc 2,000 cycles at 50 mA, 30 Vdc. through all switch positions. over nickel plate Contact resistance: 100 mohms maximum Base Contacts: Copper alloy, gold plate over Vibration resistance: 10 to 2,000 Hz at 15G after life, measured at 10 mA dc and 50 mV (open or 0.060 double amplitude no damage and no nickel plate circuit). Initial values are 60 mohms maximum Terminals: Copper alloy, matte tin plated over contact openings exceeding 10 mS (Method for coded switches. nickel barr ier 204, Test Condition B). insulation resistance (at 100 Vdc): Shock resistance: 509, 11 mS, half sine potting Material: Epoxy Between adjacent isolated contacts: Initial: no damage and no openings exceeding 10 5,000 Mohms minimum After Life: 1,000 microseconds (Method 213, Test Condition A). Tape Seal and packaging Mohms minimum Tape Seal: Polyester film Across open contacts: Initial: 5,000 Mohms environmental ratings minimum After Life: 1,000 Mohms minimum Refer to MIL-STD-202F per MIL-S-83504 Dielectric Strength: Between adjacent isolated Operating Temperature: -40C to +85C contacts and across open contacts. Initial: 750 Storage Temperature: -55C to +85C Vac After Life: 500 Vac Moisture resistance: 2 4 0 h o u r s w i t h Contact Carry rating: 2 amps with a maximum temperature cycling and polar ization, per MIL- contact temperature r ise of 20C. STD-202F, Method 305 OrDeriNG iNFOrMATiON Available from your local Grayhill Number of positions Type of Circuit Code Number per Tube part Number* Distributor. Fo r p r i c e s a n d d i s c o u n t s , c o n t a c t a l o c a l 10 Binar y Code Decimal 9 79B10T S a l e s O f fi c e, a n a u t h o r i ze d l o c a l D i s t r i bu t o r or Grayhill. *A top tape seal is required for switches that are machine soldered or heavily cleaned after hand solder ing. To order top seal versions, add before the in the Grayhill par t number. Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com