IP Rating ............................................................ IP 40 .....................................................................IP 40
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
Mechanical Characteristics
1
Stop Strength (1/4 ” D shaft) .............................................................................................................................................45.19 N-cm (4 lb.-in.)
(1/8 ” D shaft) .............................................................................................................................................33.89 N-cm (3 lb.-in.)
Starting ........................................................................................................................................... 0.3 max. above average running torque
Running Torque
Single or Dual Section (A & 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.)
Mounting .............................................................................................................................................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
Weight (Single Section, Metal Bushing)...............................................................................................................................12.7 grams nominal
Terminals .................................................................................................................................Printed circuit terminals, J-Hooks or solder lugs
Soldering Condition ...........................................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.
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:
1
At
room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
3
2
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
Product Dimensions
Plastic
Shaft
Styles
SHAFT TYPE "B"
(USES BUSHING A)
1.60+.38/-.00
(.063+.015/-.000)
6.32+.000/-.152
(.249+.000/.006)
DIA.
22.23
(.875)
SHAFT TYPE "D"
(USES BUSHING C)
3.16+.00/-.15
DIA.
(.1245+.000/-.006)
SHAFT TYPE "T"
(USES BUSHING U)
1.50 ± .25
(0.06 ± .001)
.79
(0.03)
STD. LENGTHS:
16.0
(.630)
22.0
(.866)
1.19
(.047)
STD. LENGTHS:
15.88
19.05
(.625) (.750)
12.70
(.500)
STD. LENGTHS:
12.70
15.88
19.05
(.500) (.625) (.750)
3.988 +0.000/-0.051
(.157 +.000/-.002)
DIA.
SHAFT TYPE "C"
(USES BUSHING A)
11.18 ± .38
(.440 ± .015)
SHAFT TYPE "R"
(USES BUSHING R)
1.80 ± .25
(0.07 ± .001)
5.994 +0.000/-0.051
(.236 +.000/-.002)
DIA.
1.00
(.04)
STD. LENGTHS:
16.0
(.630)
22.0
(.866)
SHAFT TYPE "W"
(USES BUSHING A)
14.27 ± .25
(.562 ± .010)
6.31+.025/-.051
(.2485+.001/.002)
DIA.
STD. LENGTHS:
25.40
(1.00)
5.49
(.216)
STD. LENGTHS:
19.05
22.23
(.750) (.875)
6.30+.000/-.152
(.248+.000/.006)
DIA.
48 TOOTH
Metal
Shaft
Styles
SHAFT TYPE "A"
(USES BUSHING A)
6.32+.010/-.025
(.2490+.0004/.0010)
DIA
SHAFT TYPE "H"
(USES BUSHING A)
“F” ± .38
(“F” ± .015)
6.32+.010/-.025
(.2490+.0004/.0010)
DIA
5.486 ± .051
(.216 ± .002)
25.4
(1.000)
SHAFT TYPE "S"
(USES BUSHING R)
“F” ± .381
(“F” ± .015)
6.000+.000/-.035
(.2362+.0000/.0014)
DIA
3.988 ± .076
(.157 ± .003)
STD. LENGTHS:
16.0
(.630)
22.0
(.866)
STD. LENGTHS:
12.70
(.500)
15.88
(.625)
19.05
(.750)
22.23
(.875)
STD. LENGTHS:
19.05
(.750)
7.95
(.313)
22.23
(.875)
11.13
(.438)
FLAT LENGTH “F”:
FLAT LENGTH “F”:
6.99
(.275)
12.98
(.511)
SHAFT TYPE "E"
(USES BUSHING C)
0.79 ± 0.25
(.031 ± .010)
0.79
(.031)
STD. LENGTHS:
12.0
(.500)
16.0
(.625)
19.0
(.750)
3.16
(.1245)
DIA
SHAFT TYPE "J"
(USES BUSHING R)
1.80 ± 0.25
(.071 ± .010)
6.00+.000/-.035
(.2362+.0000/.0010)
DIA
SHAFT TYPE "V"
(USES BUSHING U)
1.50 ± 0.25
(.059 ± .010)
0.79 ± 0.13
(.031 ± .054)
STD. LENGTHS:
16.0
(.630)
22.0
(.866)
3.99+.000/-.035
(.1571+.0000/.0010)
DIA
1.00 ± 0.13
(.039 ± .054)
STD. LENGTHS:
SHAFT TYPE "G"
(USES BUSHING A)
1.60+.38/-.00
(.063+.015/-.000)
6.32+.010/-.025
(.2490+.0004/.0010)
DIA.
1.194
(.047)
12.70
(.500)
STD. LENGTHS:
15.88
19.05
(.625) (.750)
22.23
(.875)
16.0
(.630)
22.0
(.866)
TOLERANCES EXCEPT AS SHOWN: .XX = ±
.02
(.050)
.005
.XXX = ±
(.127)
.0005
.XXXX = ±
(.0127)
MM
DIMENSIONS:
(INCHES)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
How to Order Model 91, 92, 93, 94 & 95 Panel Controls
91
A
2
A
-
A
28
-
A
15
/
A1 5
L
Part number for multiple section potentiometers must have
a taper and resistance value for each section.
A
D
ANTI-ROTATION LUG
Single .305 ” (7.8 mm) R,
90 °CW
No Lug
# SECTIONS
1 Single
2 Dual
BUSHING
Metal Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
Metal Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L
Metal Plain 10 mm D x 9 mm L
Metal Plain 7 mm D x 9 mm L
SHAFT
LENGTH
(FMS)
Code Description
16
1/2 ”L
20
5/8 ”L
24
3/4 ”L
28
7/8 ”L
32
1 ”L
16
22
16 mmL
22 mmL
METRIC
AVAILABLE
ONLY IN
BUSHING
Code
A, C
A, C
A, C
A
A
R, U
R, U
ELEMENT TAPER
TYPE/TOLERANCE
(A)
Linear Cermet ±10 %
(H)
Linear Cermet ±5 %
RoHS IDENTIFIER
L
Compliant
A
C
R
U
91
92
93
94
95
MODEL
Single-Turn, In-Line PC Pins
Single-Turn, In-Line J-Hooks
Single-Turn, L-Pattern PC Pins
Single-Turn, L-Pattern J-Hooks
Single-Turn, Triangle-Pattern Solder Lugs
AVAILABLE ONLY IN
LENGTHS
BUSHINGS
(CODE)
(CODE)
16, 20, 24, 28
A
24, 28
A
16, 20, 24
C
Metric 16, 22
R
Metric 16, 22
U
32
A
16, 20, 24
A
16, 20, 24
C
16, 20, 24, 28
A
24, 28
A
Metric 16, 22
R
Metric 16, 22
R
Metric 16, 22
U
(B)
(E)
Linear C-P ±20 %
Linear C-P ±10 %
SHAFT TYPE
B
C
D
R
T
W
A
E
G
H
J
S
V
Plastic Single Slotted 1/4 " (6.35 mm) D
Plastic Single Flatted 1/4" (6.35 mm) D
Plastic Single Plain 1/8" (3.18 mm) D
Plastic Single Slotted 6 mm D
Plastic Single Slotted 4 mm D
Plastic Single Knurled 1/4" (6.35 mm) D
Metal Single Plain 1/4" (6.35 mm) D
Metal Single Slotted 1/8" (3.18 mm) D
Metal Single Slotted 1/4" (6.35 mm) D
Metal Single Flatted 1/4" (6.35 mm) D
Metal Single Slotted 6 mm D
Metal Single Flatted 6 mm D
Metal Single Slotted 4 mm D
(C)
(D)
(F)
(G)
(S)
(T)
CW Audio Cermet ±10 %
CW Audio C-P ±20 %
CCW Audio Cermet ±10 %
CCW Audio C-P ±20 %
CW Audio C-P ±10 %
CCW Audio C-P ± 10 %
RESISTANCE CODE
VALUE IN OHMS
(05) - 100
(30) - 15 K
(28) - 150
(16) - 20 K
(06) - 200
(17) - 25 K
(07) - 250
(18) - 50 K
(08) - 500
(20) - 100 K
(10) - 1 K
(21) - 200 K
(11) - 2 K
(22) - 250 K
(12) - 2.5 K (23) - 500 K
(13) - 5 K
(25) - 1 M
(15) - 10 K
(10) - 1 K
(18) - 50 K
(12) - 2.5 K
(20) - 100 K
(13) - 5 K
(22) - 250 K
(15) - 10 K
(23) - 500 K
(16) - 20 K (25) - 1 M
(17) - 25 K
(10) - 1 K
(18) - 50 K
(12) - 2.5 K (20) - 100 K
(13) - 5 K
(22) - 250 K
(15) - 10 K (23) - 500 K
(17) - 25 K (25) - 1 M
Boldface features are Bourns standard options.
All others are available with higher minimum order
quantities.
REV. 04/18
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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