91A1A-B28-B22 Bourns Inc., 91A1A-B28-B22 Datasheet - Page 5

• 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

Product Dimensions
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Plastic
Shaft
Styles
Metal
Shaft
Styles
91, 92, 93, 94, 95, 96, 97, 99 - 5/8 ” Square Single-Turn
DIMENSIONS ARE:
STD. LENGTHS:
SHAFT TYPE "B"
(.063+.015/-.000)
SHAFT TYPE "C"
SHAFT TYPE "A"
SHAFT TYPE "G"
(.063+.015/-.000)
(.500)
(.500)
1.60+.38/-.00
12.70
12.70
(.500)
1.60+.38/-.00
12.70
(.875)
22.23
STD. LENGTHS:
(.625)
(.625)
15.88
15.88
(.625)
15.88
(.047)
1.19
(.216)
STD. LENGTHS:
5.49
STD. LENGTHS:
(USES BUSHING A OR D)
(USES BUSHING A OR D)
(USES BUSHING A)
(USES BUSHING A)
(.750)
(.750)
19.05
19.05
(.750)
19.05
(INCHES)
(.440 ± .015)
(.047)
MM
1.194
11.18 ± .38
(.249+.000/.006)
6.32+.000/-.152
22.23
(.875)
22.23
(.875)
(.875)
(.2490+.0004/.0010)
22.23
6.32+.010/-.025
(.248+.000/.006)
6.30+.000/-.152
DIA.
(.2490+.0004/.0010)
(1.000)
(1.000)
DIA.
DIA
6.32+.010/-.025
25.4
25.4
DIA.
TOLERANCES EXCEPT AS SHOWN: .XX = ±
(“F” ± .015)
SHAFT TYPE "D"
SHAFT TYPE "R"
SHAFT TYPE "H"
SHAFT TYPE "J"
“F” ± .38
(.500)
(.500)
12.70
(.630)
12.70
(.063)
(.472)
16.0
1.60
12.0
(.1245+.000/-.006)
(0.07 ± .001)
(.071 ± .010)
13.16+.00/-.15
STD. LENGTHS:
1.80 ± 0.25
STD. LENGTHS:
1.80 ± .25
(.039 ± .054)
1.00 ± 0.13
STD. LENGTHS:
(.188)
(.630)
(.625)
(.216 ± .002)
(.625)
15.88
(.748)
5.486 ± .051
15.88
4.78
16.0
19.0
FLAT LENGTH “F”:
STD. LENGTHS:
(USES BUSHING R)
(USES BUSHING C)
(USES BUSHING R)
(USES BUSHING A)
(.313)
(.748)
(.750)
(.750)
19.05
(.866)
19.05
19.0
7.95
22.0
DIA.
.XXXX = ±
(.04)
1.00
.XXX = ±
(.438)
(.866)
22.23
(.875)
11.13
22.0
5.994 +0.000/-0.051
(.2362+.0000/.0010)
(.236 +.000/-.002)
(.2490+.0004/.0010)
6.00+.000/-.035
6.32+.010/-.025
(.0127)
(.050)
(.127)
.0005
.005
.02
DIA.
(1.000)
14.30
(.563)
25.4
DIA
DIA
48 TOOTH
21 °
SHAFT TYPE "V"
SHAFT TYPE "T"
SHAFT TYPE "W"
STD. LENGTHS:
SHAFT TYPE "Y"
STD. LENGTHS:
(0.06 ± .001)
(.472)
12.00
(.059 ± .010)
(.472)
1.50 ± 0.25
12.0
1.50 ± .25
(1.00)
(.750)
25.40
19.05
STD. LENGTHS:
(.031 ± .054)
0.79 ± 0.13
(.050)
1.27
(.359)
(.344)
(.231)
(.630)
(.630)
9.12
8.74
16.00
STD. LENGTHS:
5.87
16.0
(0.03)
.79
(USES BUSHING U)
(USES BUSHING U)
(USES BUSHING A)
(USES BUSHING A OR D)
(.748)
(.866)
22.00
(.562 ± .010)
19.0
14.27 ± .25
(.2485+.001/.002)
6.31+.025/-.051
3.988 +0.000/-0.051
(.157 +.000/-.002)
(.1571+.0000/.0010)
DIA.
3.99+.000/-.035
(.866)
22.0
(.062)
(.030)
1.57
.762
DIA.
DIA
(.198 ± .002)
5.03 ± .05
(.235)
DIA.
5.97
DIA.