91A1A-B28-B10L Bourns Inc., 91A1A-B28-B10L Datasheet - Page 2
![POT 1K OHM COND PLAST 1/2W](/photos/8/43/84385/91_series_sml.jpg)
91A1A-B28-B10L
Manufacturer Part Number
91A1A-B28-B10L
Description
POT 1K OHM COND PLAST 1/2W
Manufacturer
Bourns Inc.
Series
91r
Type
Potentiometerr
Datasheets
1.91A1A-B28-B15L.pdf
(5 pages)
2.91A1A-B24-B10L.pdf
(6 pages)
3.91A1A-B28-B10L.pdf
(5 pages)
Specifications of 91A1A-B28-B10L
Adjustment Type
Side Adjustment
Temperature Coefficient
±1000ppm/°C
Resistance (ohms)
1K
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 0.625" W x 0.500" H (15.88mm x 15.88mm x 12.70mm)
Resistance In Ohms
1.00K
Track Resistance
1kohm
Track Taper
Linear
No. Of Turns
1
Resistance Tolerance
± 20%
Power Rating
500mW
Resistance Min
2ohm
Resistance
1 KOhms
Taper
Linear
Element Type
Conductive Plastic
Shaft Type
Slotted
Shaft Length
7/8 in
Shaft Diameter
1/4 in
Product
Precision Potentiometers & Dials
Angle, Mechanical
300 °
Diameter, Shaft
0.25 "
Dielectric Strength
1500 VAC
Dimensions
0.625"L×0.625"W×0.5"H
Linearity
±5 %
Material, Element
Conductive Plastic
Mounting Type
Panel
Power, Rating
0.5 W
Resistance, Insulation
1000 Megohms
Resolution
Infinite
Rotational Life
100000 Cycles
Temperature, Operating, Maximum
+125 °C
Temperature, Operating, Minimum
-40 °C
Termination
PC Pins
Torque
0.3 N-cm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
91A1A-B28-B10L
Manufacturer:
BOURNS
Quantity:
1 000
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Stop Strength (1/4 ” D shaft)......................................................................................................................................................................45.19 N-cm (4 lb.-in.)
Mechanical Angle ........................................................................................................................................................................................................300 ° ±5 °
Torque
Weight (Single Section) ..................................................................................................................................................................................7 grams maximum
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).
1
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 maximum
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, 99 - 5/8 ” Square Single-Turn Panel Control
99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
(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 flux.
Plastic Bushing) 56-79 N-cm (5-7 lb.-in.) maximum