Series 194/195 DIP ® Side actuated, through hole DIP switches Features Optimized Mechanical Features • SPST switching functions • Enclosed actuators shield contacts from foreign particles throughout life of switch • Reliable tape top seal optional/bottom epoxy seal standard • Standard 2.54mm (.100") x 7.62mm (.300") DIP centers • Complete marking on front side includes all information: ON direction, pole number, logo, part number and date code Optimized Contact System • Contact wiping on make and break • Lock-over-center design provides positive detent action • Optimized, active contact design incorporating a dimpleto-flat surface wiping interface with high contact force • Insert molded base halves, of high temperature plastic, ensure mechanical integrity of contacts and terminals through soldering operations Materials U.S. Patent # 4,389,549 • All U.L. 94 V-O plastics used • Series 194 – gold plated contacts • Series 195 – tin-lead plated contacts Series 194 – Premium Gold Plated Contacts Series 195 – Economical Tin-Lead Plated Contacts Electrical and Mechanical Specifications Switch Function Single pole single throw Switch Contact Resistance Switch Series 194 195 Initial, max. 50 milliohms 100 milliohms End of life, max. 100 millohms 500 millohms Insulation Resistance 1,000 megohms minimum across open switch 1,000 megohms minimum between adjacent closed switches Dielectric Strength 500 VAC minimum for 1 minute between adjacent switches Nonswitching Rating 100 mA or 50 VDC Switch Capacitance 5.0 pF maximum between adjacent switches Operating Temperature –40°C to +85°C Actuation Life Series 194 – 7,000 cycles switching 50 mA @ 24 VDC Series 195 – 2,000 cycles switching 50 mA @ 24 VDC Allowable Solder Time Up to 4 seconds with 260°C solder Vibration No mechanical damage or changes of switch settings during or after testing, when tested in three mutually perpendicular planes at 10-50 Hz sweep or at 60 Hz constant vibration Shock No mechanical damage or changes of switch settings with 25 G applied Sealing Bottom epoxy seal standard Top tape seal optional Marking Special side or top marking available-consult CTS Technical Data Sheet 4194/195 CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS Powered by ICminer.com Electronic-Library Service CopyRight 2003 CTS SERIES 194/195 9.00±0.25 .354±.010 9.78±0.25 .385±.010 2 3 1.52 .060 DIM “A” ±0.25 ±.010 4 1.14 .045 REF 5 6 7 8 9 10 12 DATE CODE LOCATION (2 – 3 SECTION) 7.90 .311 0.38 .015 STAND OFF 0.25 O N CTS 3.81 0.51 .150 .010 .020 TYP. 2.54 .100 MOUNTING SURFACE 0.48±0.08 .019±.003 TYP. SWITCH PART NO. STAMPED HERE 0.20±0.08 .008±.003 DATE CODE LOCATION (4 – 12 SECTION) 7.62 +0.38 –0.13 .300 +.015 –.005 DIMENSION: Ordering Information “A” Overall Dimension 7.26 / .286 9.80 / .386 12.34 / .486 14.88 / .586 17.42 / .686 19.96 / .786 22.50 / .886 25.04 / .986 27.58 / 1.086 32.66 / 1.286 MM INCH Part Number Code For Ordering No. of Switch Sections 2 3 4 5 6 7 8 9 10 12 XXX – XX M S T Series 194 Series 195 XX: Number of Positions M: Medium Length Actuator T: Top Tape Seal (optional) S: Bottom Epoxy Seal Example: 195-8MST Order From: CTS CORPORATION, ELECTROCOMPONENTS / 1601 Mishawaka Street / Elkhart, Indiana 46514 North America Toll Free (888) 287-4690 / (219) 296-6700 / FAX: (219) 293-1240 http://www.ctscorp.com CTS COMPONENTS TAIWAN, LTD. / 7, Central 6th Road (Chung Liu Road) / P.O. Box 26-20 Kaohsiung Export Processing Zone / Kaohsiung, Taiwan, Rep. of China (07) 8216145 / FAX: (07) 8417642.8110040 Powered by ICminer.com Electronic-Library Service CopyRight 2003 5M-3-99I