91A2A-B28-D15/D15L Bourns Inc., 91A2A-B28-D15/D15L Datasheet - Page 2

• Manufacturer Part Number: 91A2A-B28-D15/D15L
• Description: POT COND PLASTIC, 10KOHM 20%, 250mW
• Manufacturer: Bourns Inc.
• Series: 91r

Specifications of 91A2A-B28-D15/D15L

• Track Resistance: 10kohm
• Track Taper: Log (Audio)
• No. Of Turns: 1
• Resistance Tolerance: ± 20%
• Power Rating: 250mW
• Adjustment Type: Shaft
• Temperature Coefficient: ± 1000ppm
• Resistance: 10 KOhms
• Tolerance: 20 %
• Termination Style: Pin
• Taper: Audio
• Number Of Turns: 1
• Element Type: Conductive Plastic
• Shaft Type: Slotted
• Shaft Length: 7/8 in
• Shaft Diameter: 1/4 in
• Product: Precision Potentiometers & Dials
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Stop Strength (1/4 ” D shaft)......................................................................................................................................................................45.19 N-cm (4 lb.-in.)
Mechanical Angle ........................................................................................................................................................................................................300 ° ±5 °
Torque
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: ALL MODEL 90 PERFORMANCE SPECIFICATIONS DO NOT APPLY TO UNITS SUBJECTED TO PRINTED CIRCUIT BOARD CLEANING PROCEDURES, EXCEPT FOR THE SEALED
VERSION (MODEL 96).
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AT ROOM AMBIENT: +25 °C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED.
Potentiometer Specifications
Mechanical Characteristics
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.
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.)
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
(1/8 ” D shaft) ....................................................................................................................................................................33.89 N-cm (3 lb.-in.)
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Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.
Customers should verify actual device performance in their specific applications.
Plastic Bushing) 56-79 N-cm (5-7 lb.-in.) maximum
Specifications are subject to change without notice.