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91A2A Datasheet(PDF) 3 Page - Bourns Electronic Solutions |
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91A2A Datasheet(HTML) 3 Page - Bourns Electronic Solutions |
3 / 6 page 91, 92, 93, 94, 95, 96 - 5/8 ” Square Single-Turn Panel Control 97, 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Initial Electrical Characteristics1 Contacts: DPST ........................................................................................................................................................N.O/N.O., N.C./N.C. or N.O./N.C. DPDT ..........................................................................................................................................................2 N.O./N.C. (break before make) Power Rating (Resistive Load): DPST ..................................................................................... 2 A @ 125 volts RMS-60 Hz or 2 A @ 28 VDC, 1 A @ 250 volts RMS-60 Hz DPDT .....................................................................................................................................1 A @ 125 volts RMS-60 Hz or 1 A @ 28 VDC Contact Resistance (0.1 VDC-10 mA) ...............................................................................................................................10 milliohms nominal Contact Bounce...........................................................................................................................................................5 milliseconds maximum Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level ........................................................................................................................................................................1500 VAC minimum Insulation Resistance................................................................................................................................................. 1000 megohms minimum Environmental Characteristics1 Operating Temperature Range .................................................................................................................................................... 0 °C to +70 °C Exposure Temperature Range ................................................................................................................................................-65 °C to +125 °C Vibration (Dual Section).................................................................................................................................................................................. 8 G Contact Resistance.................................................................................................................................................. 10 milliohms maximum Contact Bounce ................................................................................................................................................... 0.1 millisecond maximum Shock (Dual Section).................................................................................................................................................................................... 20 G Contact Resistance.................................................................................................................................................. 10 milliohms maximum Contact Bounce ................................................................................................................................................... 0.1 millisecond maximum Rotational Life ................................................................................................................................................................................25,000 cycles Switch Actuating Torque (50% Duty cycle @ Rated Power Load)........................................................... 1.41 to 4.94 N-cm (2 to 7 oz.-in.) Contact Resistance................................................................................................................................................ 100 milliohms maximum Moisture Resistance (MIL-STD-202, Method 106, Condition B) Contact Resistance (0.1 VDC-10 mA) ..................................................................................................................... 10 milliohms maximum Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) ..............................................................100 megohms minimum Housing Material .......................................................................................................High temperature, flame retardant, thermosetting plastic Mechanical Characteristics1 Actuating Torque (Each Section, Switch Module Only).............................................................................. 3.53 to 10.59 N-cm (5 to 15 oz.-in.) Running Torque (Out of Detent, 2-4 Module Assembly) ............................................................................. 0.21 to 1.41 N-cm (0.3 to 2 oz.-in.) Detent................................................................................................................................................................................CW or CCW standard Actuation Angle......................................................................................................................................................................................20 ° ±5 ° Contact Materials.................................................................................................................................................... Fine silver with gold overlay Terminal Styles .............................................................................................................................................................................Solder lug only Standard Orientation........................................................................................................................................ In-line with control terminals Optional .................................................................................................................................................... Rotated 90 ° CCW from standard Terminal Strength (Before and After Soldering Heat Exposure).................................................................................... 0.9 kg (2 lbs.) minimum NOTE: Model 99 performance specifications do not apply to units subjected to printed circuit board cleaning procedures. 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. Rotary Switch Specifications |
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