NT
Features
■
RoHS compliant*
■
Space saving design
■
Wide range of resistance values
■
PC pin or solder lug terminals
■
Metric shaft and bushing option
■
Mounting brackets available
■
Linear or audio taper versions
*R
oH
S
CO
M
PL
IA
PC - “Slimline” 22 mm Square Single Turn Panel Control
Electrical Characteristics
Standard Resistance Range
Linear Tapers.................................................................................................................................................... 500 ohms to 1 megohm
Audio Tapers ...................................................................................................................................................1 K ohms to 500 K ohms
Total Resistance Tolerance ................................................................................................................................................................ ±20 %
Independent Linearity .......................................................................................................................................................................... ±5 %
Absolute Minimum Resistance ........................................................................................................................................ 5 ohms maximum
Effective Electrical Angle .............................................................................................................................................................270 ° ± 5 °
Contact Resistance Variation ...................................................................................................................................7 % of total resistance
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ............................................................................................................................................................... 1,000 VAC minimum
70,000 Feet ............................................................................................................................................................... 500 VAC minimum
Insulation Resistance (500 V) .................................................................................................................................... 1,000 ohms minimum
Power Rating @ 70 ºC (Voltage Limited by Power Dissipation or 350 VAC, Whichever is Less)
Linear ....................................................................................................................................................................................... .75 watt
Audio ........................................................................................................................................................................................ .25 watt
Theoretical Resolution ..................................................................................................................................................... Essentially infinite
Environmental Characteristics
Operating Temperature Range ................................................................................................................................................+1 °C to +125 °C
Storage Temperature Range.................................................................................................................................................. -40 °C to +125 °C
Temperature Coefficient Over Storage Temperature Range ...................................................................................................... ±1000 ppm/°C
Vibration .......................................................................................................................................................................................................20 G
Total Resistance Shift ...........................................................................................................................................................±1 % maximum
Voltage Ratio Shift ..............................................................................................................................................................±20 % maximum
Shock ...........................................................................................................................................................................................................50 G
Total Resistance Shift ...........................................................................................................................................................±1 % maximum
Voltage Ratio Shift ..............................................................................................................................................................±20 % maximum
Load Life ....................................................................................................................................1,000 Hours @ Rated Power, 20 % RH, 70 ºC
Total Resistance Shift .........................................................................................................................................................±10 % maximum
Rotational Life (No Load) .............................................................................................................................................................. 50,000 cycles
Total Resistance Shift (Linear taper) ............................................................................................ ±10 ohms or 12 %, whichever is greater
Total Resistance Shift (Audio taper) ...................................................................................................................................±20 % maximum
Contact Resistance Variation ....................................................................................................................................................±5 % maximum
Moisture Resistance .......................................................................................................................... MIL-STD-202, Method 103, Condition B
Total Resistance Shift .........................................................................................................................................................±20 % maximum
IP Rating...................................................................................................................................................................................................... IP 40
Mechanical Characteristics
Stop Strength (1/4 ” and 6 mm Shaft Diameters) ............................................................................................................ 79.09 N-cm (7 lb.-in.)
Mechanical Angle............................................................................................................................................................................... 300 ° ± 5 °
Torque
Starting (Detented) ..................................................................................................................................... 0.5-1.5 N-cm (0.75-2.25 oz.-in.)
Starting (Undetented) ............................................................................................................................... 1.5 N-cm (2.25 oz.-in.) maximum
Running (Undetented) ...................................................................................................................... 0.18 to 1.06 N-cm (0.25 to 1.5 oz.-in.)
Mounting .................................................................................................................................................... 79.09 N-cm (7 lb.-in.) maximum
Weight (Single Section) ............................................................................................................................................ 21 gm (0.75 oz.) maximum
Terminals ............................................................................................................................................................................. PC pin or solder lug
Soldering Condition
Manual Soldering .......................................................................................... 96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire
370 °C (700 °F) max. for 3 seconds
Wave Soldering ................................................................................................................... 96.5Sn/3.0Ag/0.5Cu solder with no-clean flux
260 °C (500 °F) max. for 5 seconds
Wash processes ..............................................................................................................................................................Not recommended
Marking .......................................................................................... Manufacturer’s trademark, resistance value, part number, and date code
Ganging ..................................................................................................................................................................................... 1 cup maximum
Hardware .................. One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
Detents ..........................................................................................................................................................................Center, 10, 20, 30, none
For additional features or specifications not shown, consult factory.
FOR ORDERING INFORMATION SEE PAGE 4.
*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.
How to Order PC “Slimline” Panel Controls
P
C
W
1
J
-
B
2
4
-
B
A
B
1
0
3
L
RoHS IDENTIFIER
Code Description
L
Compliant
SHAFT LENGTH (FMS)
Code
16
20
24
28
32
36
19
22
24
Description
1/2 ” (12.7 mm) Length
5/8 ” (15.9 mm) Length
3/4 ” (19 mm) Length
7/8 ” (22.2 mm) Length
1 ” (25.4 mm) Length
1-1/8 ” (28.6 mm) Length
Metric
19 mm Length
22 mm Length
24 mm Length
Available Shaft
Styles
B
J
B, C, J, Y
B, C, J, Y
B, C, J, Y
B, C, J, Y
R
R
R
Code
501
102
252
502
RESISTANCE VALUES
TR
Code TR
Code
500
Ω
103 10 KΩ 104
1 KΩ
203 20 KΩ 254
2.5 KΩ 253 25 KΩ 504
5 KΩ
503 50 KΩ
105
TR
100 KΩ
250 KΩ
500 KΩ
1 MΩ
ELEMENT TAPER VERSIONS
Code Taper Description
B
Lin. CP ±20 %
D
CW Audio CP ±20 %
G
CCW Audio CP ±20 %
SHAFT STYLES (See Outline Drawing)
Code Description
B
1/4 ” (6.35 mm) Dia. Slotted
C
1/4 ” (6.35 mm) Dia. Flatted
J
3/16 ” (4.76 mm) Dia. Flatted
R
6 mm Dia. Slotted
(Use Metric Lengths Only)
Y
3/16 ” (4.76 mm) Dia. Split Shaft
DETENT CONFIGURATIONS
Code Taper Description
A
No Detents
B
10 Detents
C
Center Detent Only
D
20 Detents
E
30 Detents
F
CCW Detent Only
HOUSING TERMINAL CONFIGURATION
ANTI-ROTATION LUG
Code Description
J
9:00 Position
D
None
Features
Rear Mounting Bracket
Side Mounting Bracket
Axial Terminals .100 ” (2.54 mm) Centers
Radial Terminals .100 ” (2.54 mm) Centers
Radial Terminals .200 ” (5.08 mm) Centers
Solder Lugs .200” (5.08 mm) Centers
Axial Terminals .200 ” (5.08 mm) Centers
Hardware Included
Available Shaft
Styles
All
B, C, R
Code
A B C D E F G H J K L M N
X
X X
X
X
X
X X
X X
X
X X
X
X X
X
X
X X
X
X
X X
X
X
X X X X
1
NO. SECTIONS
Single
BUSHING CONFIGURATION
Code Description
W 9 mm x .250 ” (6.35 mm) Length
Threaded M9 x 0.75 6g 5 Pl
L
9 mm x .375 ” (9.53 mm) Length
Threaded M9 x 0.75 6g 5 Pl
Panel mount hardware not included as standard on bracketed versions.
The sample part number demonstrates the identification code for Bourns
Slimline Potentiometers. The part number shown is a commonly used model,
typically available from stock.
Boldface features are Bourns standard options. All others are available with
higher minimum order quantities.
REV. 08/14
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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