91A1A-B28-B17L Bourns Inc., 91A1A-B28-B17L Datasheet - Page 2

• Manufacturer Part Number: 91A1A-B28-B17L
• Description: POT 25K OHM 5/8" SQ 1/2W PLAS
• Manufacturer: Bourns Inc.
• Series: 91r

Specifications of 91A1A-B28-B17L

• Adjustment Type: Side Adjustment
• Temperature Coefficient: ±1000ppm/°C
• Resistance (ohms): 25K
• Power (watts): 0.5W, 1/2W
• Tolerance: ±20%
• Number Of Turns: Single
• Rotation: 300°
• Resistive Material: Conductive Plastic
• Termination Style: Through Hole
• Actuator Length: 22.23mm
• Actuator Type: Slotted Shaft
• Actuator Diameter: 6.35mm
• Package / Case: Square - 0.625" L x 0.500" W x 0.687" H (15.88mm x 12.70mm x 17.45mm)
• Track Resistance: 25kohm
• Track Taper: Linear
• No. Of Turns: 1
• Resistance Tolerance: ± 20%
• Power Rating: 500mW
• Resistance: 25 KOhms
• Taper: Linear
• Element Type: Conductive Plastic
• Shaft Type: Slotted
• Shaft Length: 7/8 in
• Shaft Diameter: 1/4 in
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS 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.