91A1A-B28-B22 Bourns Inc., 91A1A-B28-B22 Datasheet - Page 4

• Manufacturer Part Number: 91A1A-B28-B22
• Description: POT COND PLASTIC, 250KOHM 20% 500mW
• Manufacturer: Bourns Inc.
• Series: 91r

Specifications of 91A1A-B28-B22

• Track Resistance: 250kohm
• No. Of Turns: 3
• Resistance Tolerance: ± 20%
• Power Rating: 500mW
• Resistance Min: 0ohm
• Adjustment Type: Knob
• Temperature Coefficient: ± 1000ppm
• Resistance: 250 KOhms
• Tolerance: 20 %
• Termination Style: Pin
• Taper: Linear
• Number Of Turns: 1
• 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: Contains lead / RoHS non-compliant

Plastic
Shaft
Styles
Metal
Shaft
Styles
Product Dimensions
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
(.063+.015/-.000)
SHAFT TYPE "B"
SHAFT TYPE "C"
SHAFT TYPE "A"
SHAFT TYPE "E"
SHAFT TYPE "G"
(.063+.015/-.000)
(.500)
(.500)
1.60+.38/-.00
12.70
12.70
(.500)
(.031 ± .010)
1.60+.38/-.00
12.70
0.79 ± 0.25
(.500)
12.0
STD. LENGTHS:
STD. LENGTHS:
19.05
(.750)
(.625)
(.625)
15.88
15.88
(.625)
STD. LENGTHS:
15.88
STD. LENGTHS:
(.031)
0.79
(.047)
1.19
(.625)
(.216)
16.0
5.49
STD. LENGTHS:
(USES BUSHING A)
(USES BUSHING A)
(USES BUSHING A)
(USES BUSHING C)
(.875)
(USES BUSHING A)
22.23
(.750)
(.750)
19.05
19.05
(.750)
19.05
(.750)
19.0
(.440 ± .015)
(.047)
11.18 ± .38
1.194
(.1245)
(.249+.000/.006)
6.32+.000/-.152
(.875)
(.875)
22.23
22.23
(.2490+.0004/.0010)
3.16
(.875)
DIA
22.23
6.32+.010/-.025
(.248+.000/.006)
6.30+.000/-.152
DIA.
(.2490+.0004/.0010)
(1.000)
DIA
DIA.
6.32+.010/-.025
25.4
DIA.
(“F” ± .015)
SHAFT TYPE "H"
SHAFT TYPE "D"
SHAFT TYPE "R"
SHAFT TYPE "J"
“F” ± .38
12.70
(.500)
(.1245+.000/-.006)
(0.07 ± .001)
13.16+.00/-.15
(.071 ± .010)
(.630)
STD. LENGTHS:
1.80 ± 0.25
STD. LENGTHS:
1.80 ± .25
16.0
FLAT LENGTH “F”:
STD. LENGTHS:
(.750)
(.313)
(.039 ± .054)
19.05
7.95
1.00 ± 0.13
STD. LENGTHS:
(.216 ± .002)
(.630)
(.625)
5.486 ± .051
15.88
16.0
(.866)
22.0
(.875)
11.13
(.438)
(USES BUSHING A)
22.23
(USES BUSHING R)
(USES BUSHING C)
(USES BUSHING R)
(.866)
19.05
(.750)
22.0
DIA.
(.04)
1.00
TOLERANCES EXCEPT AS SHOWN: .XX = ±
5.994 +0.000/-0.051
(.2362+.0000/.0010)
(.236 +.000/-.002)
(.2490+.0004/.0010)
6.00+.000/-.035
6.32+.010/-.025
Customers should verify actual device performance in their specifi c applications.
DIA.
DIA
DIA
.XXXX = ±
.XXX = ±
48 TOOTH
(“F” ± .015)
SHAFT TYPE "T"
SHAFT TYPE "S"
SHAFT TYPE "V"
SHAFT TYPE "W"
“F” ± .381
(0.06 ± .001)
(.0127)
Specifi cations are subject to change without notice.
(.059 ± .010)
(.050)
(.127)
.0005
1.50 ± 0.25
1.50 ± .25
.005
.02
DIMENSIONS:
(.031 ± .054)
0.79 ± 0.13
STD. LENGTHS:
(.630)
STD. LENGTHS:
16.0
FLAT LENGTH “F”:
(.157 ± .003)
3.988 ± .076
STD. LENGTHS:
(.393)
(0.03)
(.750)
19.05
(1.00)
25.40
9.98
.79
STD. LENGTHS:
(.750)
19.05
(.866)
(USES BUSHING U)
(USES BUSHING U)
22.0
(USES BUSHING R)
(USES BUSHING A)
(.562 ± .010)
14.27 ± .25
(.875)
(.2485+.001/.002)
22.23
(.511)
12.98
6.31+.025/-.051
(.875)
22.23
(INCHES)
3.988 +0.000/-0.051
(.157 +.000/-.002)
(.1571+.0000/.0010)
MM
DIA.
3.99+.000/-.035
(.2362+.0000/.0014)
DIA.
DIA
6.000+.000/-.035
DIA