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SDMX-7XR Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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SDMX-7XR Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
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1 / 1 page *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. SDM Series Surface Mount DIP Switch Features ■ Double contacts ■ Low contact resistance ■ Self-clean on contact area ■ Vapor phase solderable, IR-reflow solderable ■ Terminal plating by gold gives excellent results when soldering ■ RoHS compliant* Electrical Characteristics Electrical Life ............2,000 operations min. per switch, 24 VDC, 25 mA Non-Switching Rating ......100 mA, 50 VDC Switching Rating ................25 mA, 24 VDC Contact Resistance (@ current 100mA) ........................50 milliohms max. at initial 100 milliohms max. after life test Insulation Resistance ........100 megohms min. at 500 ±15 VDC Dielectric Strength ............500 VDC/minute Capacitance ..................5 pF max. between adjacent closed switch Circuit ....................Single pole single throw Environmental Characteristics Mechanical Life ..2,000 operations per switch Operation Force ......................1000 gf max. Stroke ..............................................1.0 mm Operating Temp. Range ....-20 °C to +70 °C Storage Temperature ........-40 °C to +85 °C Vibration Test ......................MIL-STD-202F, Method 201A Frequency ..............10-55-10 Hz/1 minute Directions ................X,Y,Z, three mutually perpendicular directions Time......................2 hours each direction. High reliability Shock Test ..........................MIL-STD-202F, Method 213B, Condition A Gravity ..........50 G (peak value), 11 msec Direction & Times....................6 sides and 3 times in each direction. High reliability Physical Characteristics Base and Cover Materials ..UL94V-0 PPS plus glass fiber reinforced Color ................................................Black Actuator Materials ..............................Nylon plus glass fiber reinforced Color ................................................White Contact Materials ....................Alloy copper Terminal Materials ..............................Brass Contact Plating Materials ....3 micro inches gold plating over 40 micro inches nickel Terminal Plating Materials ....................Gold Soldering Process ............Vapor phase and IR-reflow soldering can be applied Standard Packaging ......IC tubes/all poles in the “off” position How to Order SDM R - 2 - T R Model Actuator • X = Raised Actuator • R = Recessed Actuator Number of Positions • 1 = 1 Position • 7 = 7 Positions • 2 = 2 Positions • 8 = 8 Positions • 3 = 3 Positions • 9 = 9 Positions • 4 = 4 Positions • 10 = 10 Positions • 5 = 5 Positions • 12 = 12 Positions • 6 = 6 Positions Seal • X = Standard (Not Sealed) • T = Top Tape Sealed (“R” Actuator only) Packaging Option (Top Sealed, Recessed only) • R = Tape and Reel Packaging (900 pcs./reel) B±0.10=2.54X(P-1) (B±.004=.10X(P-1)) SDM Series A + 0.2 / - 0 (A + .008/-0) 0.50 (.020) 2.0 (.079) 6.20 + 0.2 / -0 (.244 = .008/-0) B 1.74 (.069) 2.54 (.100) TYP. 3.0 + 0.10 / -0 (.118 + .004/-0) 0.70 (.028) MIN. 7.62 ± 0.25 (.300 ± .010) 9.80 ± 0.3 (.386 ± .012) 0.7 ± 0.2 (.028 ± .088) 0°~4° 1.0 (.039) 0.70 (.028) RECOMMENDED PCB LAYOUT SDMR SERIES SDMX SERIES 7.40 (.291) 10.4 (.409) 2.54 (.100) TYP. 1.1 (.043) SCHEMATIC (TYP.) 1,2,3,4,5,6,7,8,9,10 POSITIONS AVAILABLE MODEL NO. POSITIONS DIM. A DIM. B SDM-12 12 31.42 27.94 SDM-10 10 26.34 22.86 SDM-8 8 21.26 17.78 SDM-6 6 16.18 12.70 SDM-4 4 11.10 7.62 SDM-2 2 6.02 2.54 SCHEMATIC (TYP.) 1,2,3,4,5,6,7,8,9,10,12 POSITIONS AVAILABLE 2.00 ± 0.25 (.079 ± .010) DIA. DIA. 1.55 ± 0.05 (.061 ± .002) 16.00 ± 0.1 (.630 ± .004) 4.00 ± 0.1 (.157 ± .004) 2.00 ± 0.15 (.079 ± .006) POLE TAPE SIZE (W) 2,3 16 mm 4,5,6 24 mm 7,8 32 mm 9,10,12 44 mm Packaging Specifications Product Dimensions DIMENSIONS: MM (IN) Reflow Soldering Profile Time (Seconds) 275 30-40 Sec. 120 °C 225 175 125 75 25 0 20 40 60 80 100 120 140 160 180 200 80-90 Sec. 10-15 Sec. 35-60 Sec. 180 °C 240 °C REV. 02/06 The SDM Series is currently available, although not recommended for new designs. |
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