91C1A-D24-D18 Bourns Inc., 91C1A-D24-D18 Datasheet - Page 2
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91C1A-D24-D18
Manufacturer Part Number
91C1A-D24-D18
Description
Panel Mount Potentiometers 5/8 50K 20% Square Single Turn
Manufacturer
Bourns Inc.
Type
Potentiometerr
Specifications of 91C1A-D24-D18
Resistance
50kohm
Power Rating
1/4W
Tolerance (+ Or -)
20%
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)
3.18mm
Product Diameter (mm)
Not Requiredmm
Product Length (mm)
31.75mm
Product Height (mm)
17.47mm
Product Depth (mm)
15.88mm
Temperature Coefficient
±1000
Tolerance
20 %
Taper
Audio
Element Type
Conductive Plastic
Shaft Type
Round / Plain
Shaft Length
3/4 in
Shaft Diameter
1/8 in
Operating Temperature Range
- 40 C to + 125 C
Product
Panel Mount Potentiometers
Lead Free Status / RoHS Status
Not Compliant
Stop Strength (1/4 ” D shaft) .............................................................................................................................................45.19 N-cm (4 lb.-in.)
Mechanical Angle .................................................................................................................................................................................300 ° ±5 °
Torque
Single or Dual Section (A & 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, 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.
Mechanical Characteristics
Starting ........................................................................................................................................... 0.3 max. above average running torque
Running Torque
Mounting .............................................................................................................................................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.
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
Performance specifi cations do not apply to units subjected to printed circuit board cleaning procedures.
(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.
Customers should verify actual device performance in their specifi c applications.
Specifi cations are subject to change without notice.