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| SMCD Series Pushwheel Switches, Mini, Front Mount SMCD Series have large visible readout characters despite it's small size. This popular family is used in measurement and test instrumentation for range setting, data programming and count controlling; and in communications equipment for digital tuning. The simple, reliable bi-direction pushbutton mechanism permits rapid changes to either higher or lower numerical settings. Instrument-grade performance and long service life are enhanced by the heavy gold wiping contacts. Large readout characters are protected by dust-sealed windows. Snap-together grouping and snap-in panel mounting minimize installation time and cost. SMCD models have snap detent with slight audible click. SMCD bi-directional code switches may be easily assembled into groups of any number. The tabs or pins of one decade section press fit into the holes in the adjacent section. Spacers and end mounting plates may be included in the same manner as desired. Groups of SMCD switches with end plates snap into panel holes of the recommended size and are retained by plastic clips. Again, tools and additional hardware items are not required. Model SMCPK SMCL SMCA SMCADP B9L B9LS B9LS5PIN B11LS SP1.2 Description End mounting plates (pair) 300" spacer section .100" spacer (with mounting clips) .100" spacer, decimal point (with mounting clips) Connector, 9 contacts, solder lug terminals Connector, 9 contacts, PC pins Connector, 5 contacts, PC pins Connectors, 11 contacts, PC pins (for 111) Limit stop pin for SMD 10 position only MATERIAL SPECIFICATIONS: PC Board............................................Glass epoxy type, FR4 PC Terminals ....................................Gold over Ni on Cu Character Height/Color......................White on black background SMC .197/.134; SMCD .193/.134 Except 301 & SG558: .140 and SG557 .120 Molded parts ......................................Noryl-SE1, Black matte finish Housing ..............................................Black matte finish TYPICAL PERFORMANCE CHARACTERISTICS: Contact Rating ......................................0.4 VA @ 20 VDC or Peak AC Contact Circuit Resistance ....................0.12 Ohm max. (Total internal ckt. res.) Mechanical Life ....................................More than 106 operations Operational Force ..................................Approx. 14 oz. ENVIRONMENTAL SPECIFICATIONS Operating Temperature......................(-20C to +80C) SMCD - 131 - AK Codes 111 = Decimal 131 = BCD 137 = BCD Complement 141 = BCD + Complement 301 = Hexadecimal Connections AK = pcb short AL = pcb long LS = solder pin ALU = pcb long downward LS AK AL ALU .236+.004 (6.0+1.0) .022 (0.56) See Code Tables on Page J3 1.89 (48.0) 0.20 (5.08) HIGH NUMBERS .300 (7.62) .280 (7.11) 8 SMCD .193/.139 EXCEPT 301: .140 1 .945 (24.0) .866 (22.0) J SMCD Series TOP VIEW 0.30 (7.60) TYP. 0.04 (1.00) TYP. 0.30 x n + 0.13 (7.6 x n + 3.30) .232 (5.89) 1.02 (26.0) 1.26 (32.0) AK TYPES BOARD TRACE DETAIL AK TYPES .098 (2.49) .039 (.991) DIA. .059 TYP. (1.50) .295 (7.49) .060 (1.52) 1.66 (42.1) AL & AL/D TYPES AL TYPES .098 (2.49) ALD TYPES .295 (7.49) .098 (2.49) 0.06 (1.50) .039 (0.99) .059 DIA. TYP. (1.50) .060 (1.52) .039 .059 (.0.99) (1.50) DIA. TYP. .060 (1.52) 0.04 TO 0.13 (1.00 TO 3.30) PANEL THICKNESS RANGE RECOMMENDED PANEL HOLE .886 (22.5) WHERE n IS THE NUMBER OF SWITCHES N X .300 +.138 SIDE VIEW SWITCH SHOWN WITH END MOUNTING PLATE P/N SMCPK (PAIR) 0.3 x n + 0.24 (7.6 x n + 6.10) J9 Catalog 1308390 Issued 9-04 www.tycoelectronics.com Dimensions are in inches and millimeters unless otherwise specified. Values in parentheses or brackets are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-5-729-0425 South America: 55-11-3611-1514 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-141-810-8967 |
Price & Availability of SMCD-111-AK
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