91A1A-B28-B23 Bourns Inc., 91A1A-B28-B23 Datasheet - Page 3

• Manufacturer Part Number: 91A1A-B28-B23
• Description: POT 5/8" 1/2W SINGLE-TURN
• Manufacturer: Bourns Inc.
• Series: 91r

Specifications of 91A1A-B28-B23

• Resistance (ohms): 500K
• Power (watts): 0.5W, 1/2W
• Tolerance: ±20%
• Temperature Coefficient: ±1000ppm/°C
• Number Of Turns: Single
• Rotation: 300°
• Adjustment Type: Side Adjustment
• 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: 500K
• Resistance: 500 KOhms
• Power Rating: 0.5 Watt (1/2 Watt)
• Taper: Linear
• Element Type: Conductive Plastic
• Shaft Type: Slotted
• Shaft Length: 7/8 in
• Shaft Diameter: 1/4 in
• Operating Temperature Range: - 40 C to + 125 C
• Product: Panel Mount Potentiometers
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q1136655

Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
(.032)
(.400 ± .012)
(.400 ± .012)
10.16 ± 0.30
10.16 ± 0.30
Product Dimensions
0.81
DIA.
(.175 ± .015)
4.45 ± .38
Model 93 PC Pin Terminals, "L" Pattern
Model 95 Solder Lug Terminals, "Triangular" Pattern
Model 91 PC Pin Terminals, In-Line
TYP.
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
10.16
(.40)
1
2
3
1
3
R2
R2
(.900 ± .017)
(.900 ± .017)
22.86 ± 0.43
22.86 ± 0.43
2
1
2
3
1
3
R1
R1
2
(.175 ± .015)
4.45 ± .38
(.200 ± .015)
(.435 ± .008)
(.500 ± .009)
(.435 ± .008)
11.05 ± 0.20
12.70 ± .229
11.05 ± 0.20
(.220 ± .008)
(.500 ± .009)
5.08 ± 0.38
12.70 ± .229
MOUNTING
5.59 ± .20
(.031 ± .010)
MOUNTING
SURFACE
(.031 ± .010)
0.79 ± .025
SURFACE
0.79 ± .025
L
L
SEE
HOW TO ORDER
CHART FOR
BUSHING OPTIONS.
SEE
HOW TO ORDER
CHART FOR
BUSHING OPTIONS.
SEE
NEXT PAGE
FOR SHAFT
OPTIONS.
SEE
NEXT PAGE
FOR SHAFT
OPTIONS.
(.100)
TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 ) FRACTION ± 1/64
2.54
(.093 ± .003)
(.093 ± .003)
2.36 ± 0.08
2.36 ± 0.08
(.540 ± .015)
(.054 ± .003)
(.540 ± .015)
(.054 ± .003)
13.72 ± 0.38
13.72 ± 0.38
1.37 ± 0.08
1.37 ± 0.08
(.100)
2.54
DIA.
DIA.
(.200 ± .040)
5.08 ± 1.02
“A” STYLE
“A” STYLE
R
R
A.R. LUG
A.R. LUG
(.047)
(.047)
1.19
1.19
3 PLCS.
(.100)
(.100)
(.080)
2.54
2.54
2.03
(.100)
(.100)
2.54
2.54
(.040) WIDE X (.090) LONG
1.02
15.88
(.625)
15.88
(.625)
3 PLCS.
(.602 ± .022)
(.500 ± .040)
15.29 ± 0.56
12.70 ± 1.02
.XX ±
.381
(.030 ± .002)
(.030 ± .002)
2.29
0.76 ± 0.05
0.76 ± 0.05
(.38)
9.65
TYP.
TYP.
(.016)
.41
(.312)
(.375)
(.312)
(.375)
ANGLE ±5 °
7.92
9.53
7.92
9.53
Model 92 J-Hooked
Terminals, In-Line
Model 94 J-Hooked
Terminals, "L" Pattern
Shaft Flat Orientation
R. MAX.
(.032)
.81
3 2 1
3 2 1
(.20)
5.08
MAX. TYP.
(.150)
3.81
120 ° ± 5 ° STD.
FLAT ORIENTATION
(SHAFT AT CCW END)
(.21 ± .03)
5.33 ± .76
CCW
1
(.031) 2 PLCS.
(.06)
.79
1.52
POTENTIOMETER
(.010)
.254
GAP
2
(.06)
1.52
GAP
3