91A1A-B28-E20L Bourns Inc., 91A1A-B28-E20L Datasheet - Page 3

• Manufacturer Part Number: 91A1A-B28-E20L
• Manufacturer: Bourns Inc.
• Type: Potentiometerr

Specifications of 91A1A-B28-E20L

• Resistance: 100kohm
• Power Rating: 1/2W
• Tolerance (+ Or -): 10%
• Number Of Turns: 1Turn
• Technology: Cermet
• Mounting Style: Panel
• Termination Style: Pin
• Operating Temp Range: -40C to 125C
• Failure Rate: Not Required
• Shaft Diameter (mm): 6.35mm
• Product Diameter (mm): Not Requiredmm
• Product Length (mm): 34.93mm
• Product Height (mm): 17.47mm
• Product Depth (mm): 15.88mm
• Temperature Coefficient: ±1000
• Lead Free Status / RoHS Status: Compliant

Contacts:
Power Rating (Resistive Load):
Contact Resistance (0.1 VDC-10 mA) ...............................................................................................................................10 milliohms nominal
Contact Bounce ...........................................................................................................................................................5 milliseconds maximum
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Insulation Resistance ................................................................................................................................................. 1000 megohms minimum
Operating Temperature Range .................................................................................................................................................... 0 °C to +70 °C
Exposure Temperature Range ................................................................................................................................................-65 °C to +125 °C
Vibration (Dual Section).................................................................................................................................................................................. 8 G
Shock (Dual Section).................................................................................................................................................................................... 20 G
Rotational Life ................................................................................................................................................................................25,000 cycles
Moisture Resistance (MIL-STD-202, Method 106, Condition B)
Housing Material .......................................................................................................High temperature, fl ame retardant, thermosetting plastic
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
Terminal Strength (Before and After Soldering Heat Exposure) .................................................................................... 0.9 kg (2 lbs.) minimum
NOTE:
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At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Rotary Switch Specifi cations
Initial Electrical Characteristics
Environmental Characteristics
Mechanical Characteristics
DPST ........................................................................................................................................................N.O/N.O., N.C./N.C. or N.O./N.C.
DPDT ..........................................................................................................................................................2 N.O./N.C. (break before make)
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
Sea Level ........................................................................................................................................................................1500 VAC minimum
Contact Resistance .................................................................................................................................................. 10 milliohms maximum
Contact Bounce ................................................................................................................................................... 0.1 millisecond maximum
Contact Resistance .................................................................................................................................................. 10 milliohms maximum
Contact Bounce ................................................................................................................................................... 0.1 millisecond maximum
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
Contact Resistance (0.1 VDC-10 mA) ..................................................................................................................... 10 milliohms maximum
Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) ..............................................................100 megohms minimum
Standard Orientation ........................................................................................................................................ In-line with control terminals
Optional ....................................................................................................................................................Rotated 90 ° CCW from standard
97, 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
91, 92, 93, 94, 95, 96 - 5/8 ” Square Single-Turn Panel Control
Model 99 performance specifi cations do not apply to units subjected to printed circuit board cleaning procedures.
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Customers should verify actual device performance in their specifi c applications.
Specifi cations are subject to change without notice.