91A1A-B28-E20L Bourns Inc., 91A1A-B28-E20L Datasheet - Page 2

• 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

Additional Features
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Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Stop Strength (1/4 ” D shaft) .............................................................................................................................................45.19 N-cm (4 lb.-in.)
Mechanical Angle .................................................................................................................................................................................300 ° ±5 °
Torque
Single or Dual Section (A ,D & R Bushings) .............................................................................................. 0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.)
Single or Dual Section (C & U Bushings) .................................................................................................. 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
Weight (Single Section, Plastic Bushing) ...............................................................................................................................7.3 grams nominal
Weight (Single Section, Metal Bushing) ...............................................................................................................................12.7 grams nominal
Terminals .................................................................................................................................Printed circuit terminals, J-Hooks or solder lugs
Marking ..................................................................................Manufacturer’s trademark, date code, resistance, manufacturer’s part number
Ganging (Multiple Section Potentiometers) .............................................................................................................................2 cups maximum
Hardware ...................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
NOTE:
1
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Potentiometer Specifi cations
Mechanical Characteristics
DPST and DPDT switch options
RoHS compliant versions available*
Starting ........................................................................................................................................... 0.3 max. above average running torque
Running Torque
Mounting .................................................................................................................. (Metal Bushing) 1.7-2.0 N-m (15-18 lb.-in.) maximum
Variation ...................................................................................................................... 0.35 N-cm (0.5 oz.-in.) maximum in 45 ° shaft travel
(Each Additional Section) ....................................................................................................................................................4 grams nominal
Soldering Condition ...........................................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.
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
All Model 90 performance specifi cations do not apply to units subjected to printed circuit board cleaning procedures, except
for the sealed version (Model 96).
(1/8 ” D shaft) .............................................................................................................................................33.89 N-cm (3 lb.-in.)
1
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean fl ux.
Plastic Bushing) 56-79 N-cm (5-7 lb.-in.) maximum