C&K 3U Series Tiny Pushwheel Switches Features/Benefits * Tiny size saves space * 10 and 16 position models available * ESD clip available on select models * Snap-in front mount saves assembly time Typical Applications * Computer peripherals * Test equipment * Instrumentation Specifications Materials CONTACT RATING: CARRY: 1 AMP continuous. SWITCH: 0.4 VA max., 100 mA max., 28 V DC max. OPERATING VOLTAGE: 50 mV to 28 V DC. ELECTRICAL LIFE: 1,000,000 actuations. CONTACT RESISTANCE: Below 300 m typ. @ 2-4 V DC, 100 mA. INSULATION RESISTANCE: 109 min. (dry). DIELECTRIC STRENGTH: 500 Vrms min. @ sea level between common terminal and any output. OPERATING TEMPERATURE: -10C to 65C. HOUSING: Polyester (UL 94V-0). PUSHWHEEL: Polycarbonate. PUSHBUTTON: Polyester (UL 94V-0). ROTOR CONTACTS: Gold over nickel over copper alloy. STATOR CONTACTS: Hard gold over nickel over copperon epoxy fiberglass. NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. Note: All models listed are RoHS compliant. See Technical Data section of this catalog for RoHS compliant and compatible definitions and specifications. Build-A-Switch Series 3U Tiny pushwheel Number of Sections 0 Switch section Function Code 1 1 Switch section 21 BCD 1-2-4-8 2 2 Switch sections 71 BCH, 16 position 3 3 Switch sections 4 4 Switch sections 5 5 Switch sections 6 6 Switch sections 7 7 Switch sections 8 8 Switch sections 9 More than 8 switch sections Mounting Style 0 Snap-in, front mount Terminations 0 Short PC board N Short PC board with pins* 9 Any combination Dust Lens 0 No lens 2 Dust lens Color/Marking/Stops 0 Matte black housing, gloss black wheel, extended actuator, white vertical characters, black pushbutton, no stops 9 Combination of body colors, wheel colors, marking and/or stops A Matte black housing, gloss black wheel, extended actuator, white horizontal characters, black pushbutton, no stops C Matte black housing, gloss black wheel, recessed actuator, white vertical characters, black pushbutton, no stops E Matte black housing, gloss black wheel, recessed actuator, white horizontal characters, black pushbutton, no stops N * Note: Termination option N (RoHS compliant) replaces termination option 3 (non-RoHS compliant). Dimensions are shown: Inch (mm) Specifications and dimensions subject to change N-3 Thumbwheel & Pushwheel To order, simply select desired option from each category and place in the appropriate box. Available options are shown and described on pages N-4 thru N-6. For additional options not shown in catalog, consult Customer Service Center. Consult factory for illumination availability. www.ittcannon.com C&K 3U Series Tiny Pushwheel Switches SERIES 3U 1/2" TINY PUSHWHEEL WITH EXTENDED ACTUATOR N = Number of sections. NUMBER OF SECTIONS 0 1-8 9 Switch section only, no endplates. Number of switch sections in assembly, includes endplates. More than 8 switch sections, specify on CONFIGURATION FORM, page N-7 and consult Customer Service Center. NOTE: Endplates and blank sections available separately, see page N-6. FUNCTION CODE Thumbwheel & Pushwheel 21 71 BCD 1-2-4-8, 10 POSITION BINARY CODED HEXADECIMAL, 16 POSITION Available Terminations: 0, N See figs. 2 & 3, page N-5. Available Terminations: 0, N See fig. 2, page N-5. NOTE: ESD pin available, consult Customer Service Center. For terminal location diagrams, see page N-5. MOUNTING STYLE 0 SNAP-IN FRONT MOUNTING N N = Number of sections Recommended panel thickness: .039-.156 (0,99-3,95) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change N-4 www.ittcannon.com C&K 3U Series Tiny Pushwheel Switches TERMINATIONS 0 N SHORT PC BOARD 9 SHORT PC BOARD, TYPE 0 WITH SOLDER PINS ANY COMBINATION OF TERMINATION CONFIGURATION OR SPECIAL TERMINATIONS. Specify on configuration form, page N-7 and consult Customer Service Center. Note: Termination option N (RoHS compliant) replaces termination option 3 (non-RoHS compliant). PC Board 1/32" (0,79) thick. NOTE: All terminal holes shown may not be present for all function codes consult Customer Service Center. Terminal Location Numbers SOLDER PINS Fig. 2 NOTE: See function codes, page N-4 for signal locations. COLOR/MARKING/STOPS 0 9 SPECIAL COLORS, MARKINGS FOR HOUSING OR WHEEL, STOPS (Specify on CONFIGURATION FORM, page N-7 and consult Customer Service Center.) MATTE BLACK HOUSING (Gloss black wheel with white horizontal characters, extended actuator, black pushbuttons, no stops.) MATTE BLACK HOUSING (Gloss black wheel with white vertical characters, recessed actuator, black pushbuttons, no stops.) 3 3 A C E MATTE BLACK HOUSING (Gloss black wheel with extended actuator, white vertical characters, black pushbuttons, no stops.) Vertical Characters Horizontal Characters Thumbwheel & Pushwheel Fig. 1 MATTE BLACK HOUSING (Gloss black wheel with white horizontal characters, recessed actuator, black pushbuttons, no stops.) N Extended Actuator Recessed Actuator Dimensions are shown: Inch (mm) Specifications and dimensions subject to change N-5 www.ittcannon.com C&K 3U Series Tiny Pushwheel Switches DUST LENS 0 2 NO LENS DUST LENS (Protects character face of the wheel from abrasion and dust.) AVAILABLE HARDWARE Blank section, .302 THK. (Replaces active section.) End plates PART NO. PART NO. 123B02000 BLACK 113B02000 LEFT-BLACK LEFT-with hole One left and one right piece required for complete assembly. Thumbwheel & Pushwheel 114B02000 RIGHT-BLACK RIGHT-with pin N Dimensions are shown: Inch (mm) Specifications and dimensions subject to change N-6 www.ittcannon.com C&K 3U Series Tiny Pushwheel Switches C&K PART NUMBER Configuration Form GRAY SHADED AREAS TO BE FILLED IN BY CUSTOMER SERVICE. CATALOG PART NO. C&K PART NUMBER 3 U ADDRESS TEL.# CUSTOMER PRINT REVISION: CUSTOMER CONTACT DATE DETAILS: ORIGINATED BY SALES REP. COMPANY NAME PUSHWHEEL SECTIONS NO. OF SEC. FUNCTION CODE- TERMINATIONS- COLOR/MARKING/STOPS/SEAL- ILLUMINATION DESCRIBE IN APPROPRIATE ROW ENTER OPTION CODES IN APPROPRIATE BOXES. FUNCTION CODES INCLUDE BLANK SECTIONS (SEE PAGE M-4). 3 U - - 2 3 U - - 3 3 U - - 4 3 U - - 5 3 U - - 6 3 U - - 7 3 U - - 8 3 U - - 9 3 U - - 10 3 U - - 11 3 U - - QUALITY CONTROL INSTRUCTIONS Thumbwheel & Pushwheel 1 PRODUCTION APPROVAL DATE Q.C. APPROVAL DATE REV. DATE N INITIALS FOR SWITCHES WITH MORE THAN 11 SECTIONS, CONTINUE ON ADDITIONAL SHEETS. SPECIAL INSTRUCTIONS OR SPECIFICATIONS: SHEET _____ OF _____ Dimensions are shown: Inch (mm) Specifications and dimensions subject to change N-7 www.ittcannon.com