Data SheetData Sheet Series 194/195 Electrocomponents Through Hole DIP Switch Side Actuated, Through Hole DIP Switches Features Optimized Mechanical Features Enclosed actuators shield contacts from foreign particles throughout life of switch Standard 2.54mm (.100 ) x 7.62mm (.300 ) DIP centers Optimized Contact System Contact wiping action on make and break Integral terminal and contact locked into high temperature plastic base Lock-over-center design provides positive detent action Optimized, active contact design incorporating a dimple- to-flat surface wiping interface with high contact force Materials Series 194 - gold plated contacts for long-term contact corrosion resistance Series 195 - tin plated contacts Tin plated terminals for better solderability Series 194 Premium Gold Plated Contacts UL 94V-0 plastics Series 195 Economical Tin Plated Contacts RoHS compliant Electrical and Mechanical Specifications Switch Function Actuation Life SPST-2 through 10 and 12 positions Series 194 7,000 cycles switching 50 mA 24VDC Series 195 2,000 cycles switching 50 mA 24VDC Switch Contact Resistance Allowable Solder Time Switch Serie s Initial, max . End of life, max. Wave soldering up to 5 seconds at 260C 194 50 milliohm s 100 millohms 195 100 milliohm s 500 millohms Vibration Per MIL-STD-202F, method 204D, condition B Insulation Resistance (.06 or 15GS between 10 HZ to 2K HZ) with no 1,000 megohms minimum between insulated terminals contact inconsistencies greater than 1 microsecond Dielectric Strength Shock 500 VAC for 1 minute between adjacent Per MIL-STD-202F, method 213B, condition A switches (25GS) with no contact inconsistencies greater than Nonswitching Rating 1 microsecond 100 mA or 50 VDC maximum Sealing Switch Capacitance Bottom epoxy seal standard 5.0 pF maximum between adjacent closed switches Top tape seal optional Operating Temperature Marking 40C to +85C Special side or top marking available-consult CTS Packaging Standard : Anti-static tube packaging 2008 CTS Corporati on. All ri ghts reserved. Informati on subject to change. 1 - 2 12/25/08 CTS Electrocomponents www.ctscorp.comCTS SERIES 194/195 9.000.25 0.38 0.25 9.78 STAND OFF .354.010 .015 .385 .010 1.14 1.52 0.200.08 .045 .060 REF .008.003 0.25 +0.38 7.62 -0.13 .010 +.015 .300 -.005 DATE CODE LOC ATION +0.25 3.81 7.90 - 0.51 O 1 2 3 4 5 6 11 12 .311 +.010 N .150 CTS -.020 TYP. TYP. 2.54 0.480.08 DATE CODE LOC ATION .100 .019.003 MOUNTING PART NO. SURFACE mm DIMENSION: inch Ordering Information No. of Overall Switch Dimensions Positions Part Number 10 M S T N 194/195 7.26 / .286 2 194/1952MS 9.80 / .386 3 194/1953MS 12.34 / .486 4 194/1954MS XX: OF POSITIONS 14.88 / .586 5 194/1955MS M: MEDIUM HEIGHT ACTUATOR 17.42 / .686 6 194/1956MS (1.14mm/.045 ) 19.96 / .786 7 194/1957MS : S BOTTOM EPOXY SEAL 22.50 / .886 8 194/1958MS T: TOP TAPE SEAL (Ship at ON position only) 25.04 / .986 9 194/1959MS BLANK: SHIP AT OFF POSITION 27.58 / 1.086 10 194/19510MS N: SHIP AT ON POSITION 32.66 / 1.286 12 194/19512MS 2008 CTS Corporati on. All ri ghts reserved. Informati on subject to change. 2 - 2 12/25/08 CTS Electrocomponents ww w .ctscorp.com