91A1A-B28-B10L Bourns Inc., 91A1A-B28-B10L Datasheet - Page 4
![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
Product Dimensions
Model 93 PC Pin Terminals, "L" Pattern
Model 95 Solder Lug Terminals, "Triangular" Pattern
Model 91 & 96 PC Pin Terminals, In-Line
TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ±
(.032)
.81
91, 92, 93, 94, 95, 96, 97, 99 - 5/8 ” Square Single-Turn
(.40 ± .012)
10.16 ± .30
(.90 ± .017)
DIA. TYP.
(.175 ± .015)
22.86 ± .43
4.45 ± .38
10.16
(.40)
(.50)
12.7
10.16
(.40)
1
3
2
(.435 ± .008)
SHAFT OPTIONS
11.05 ± .20
1
(.031 ± .016)
SEE DETAIL
.79 ± .41
(.375 ± .015)
(.250 ± .015)
FOR
2
9.53 ± .38
6.35 ± .38
(.175 ± .015)
(.235 ± .015)
(.435 ± .008)
11.05 ± .20
4.45 ± .38
5.97 ± .38
(.20 ± .015) TYP.
(.220 ± .008)
5.08 ± .38
5.59 ± .20
(STYLE A)
(STYLE C)
DIMENSIONS ARE:
(.625 + .015)
(MODEL 91 ONLY)
15.88 ± .38
(.093)
2.36
(.602 ±.022)
15.29 ± .56
(.015 )
.XX ±
.128
(.100)
2.54
(.100)
2.54
(.38)
.005
FRACTION ± 1/64
1 2 3
ANGLE ±5 °
(.054)
1.37
(.100)
(.200 ± .040)
2.54
(INCHES)
(.032)
5.08 ± 1.02
(.100)
2.54
.81
MM
12.7 ± 1.02
(.50 ± .040)
3 PLCS.
(.080)
(.625 ± .015)
(.375 ± .015)
DIA.
2.03
13.72
(.54)
(.20)
15.88 ± .38
5.08
9.53 ± .38
DIA.
(.040) WIDE X (.090) LONG
1.02
R. MAX.
3 PLCS.
Model 92 J-Hooked
Terminals, In-Line
Model 94 J-Hooked
Terminals, "L" Pattern
(.032)
Bushing Styles
3/8 THREADLESS (9.53 mm) (STYLE "D")
3/8-32 UNEF (9.53 mm) (STYLE "A")
1/4-32 UNEF (6.35 mm) (STYLE "C")
M10 X 0.75-6g (STYLE "R")
M7 X 0.75-6g (STYLE "U")
.81
2.29
3 2 1
3 2 1
(.20)
(.016)
5.08
.41
MAX. TYP.
(.150)
3.81
Customers should verify actual device performance in their specific applications.
(.21 ± .03)
5.33 ± .76
(.031) 2 PLCS.
(.06)
1.52
.79
(.010)
.254
GAP
(.06)
1.52
GAP
CCW DETENT
25 ° MAX.
ACTUATION
ANGLE
(TYPES 51,
53, 55, 57, 59,
61, 71, 73)
(.022 ± .015)
DPST (NO/NC)
(TYPES 50, 51, 56, 57)
Model 97 1st Cup Same As Model 93
Model 99 1st Cup Same As Model 95
Switch Module Variations
Shaft Flat Orientation
MOUNTING
SURFACE
MOUNTING
SURFACE
5.59 ± .38
3
1
(1.09 ± .015)
(.665 ± .020)
2.77 ± .38
16.89 ± .51
(.665 ± .020)
16.89 ± .51
(.175 ± .015)
Specifications are subject to change without notice.
4.45 ± .38
(.090)
NOTE: Switch terminals shown in vertical position.
2.29
(2nd Cup - Switch)
(2nd Cup - Switch)
4
2
(1.09 ± .015)
(.109 ± .015)
2.77 ± .38
6 PLCS.
2
120 ° ± 5 ° STD.
FLAT ORIENTATION
(SHAFT AT CCW END)
2.77 ± .38
3
1
DPST (NC/NC)
(TYPES 54, 55, 60, 61)
TOTAL ROTATION 300 °
3
1
Switch contacts shown in detent position.
(.975 ± .020)
24.77 ± .51
4
2
(.095 ± .045)
(.109 ± .015)
3
1
2.41 X 1.14
(.095 ± .045)
2.77 ± .38
DPST (NO/NO)
(TYPES 52, 53, 58, 59)
2.41 X 1.14
(.325 ± .010)
8.26 ± 0.25
(.090)
2.29
CCW
(.100 ± .010)
1
2.54 ± 0.25
POTENTIOMETER
6 PLCS.
3
3
4
SLOT 6 PLCS
4
CW DETENT
25 ° MAX.
ACTUATION ANGLE
(TYPES 50, 52, 54,
56, 58, 60, 70, 72)
15.88
(.625)
SLOT 6 PLCS
15.88
(.625)
5
REF.
REF.
4
2
5
2
6
2 PLCS.
6
3
1
2
DPDT (NC/NC)
(TYPES 70, 71, 72, 73)
2
1
1
3
4
5
6
2