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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

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

Load Life .............................................................................................................................................................1,000 Hours @ Rated Power, 20 % RH, 70 ºC

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

Moisture Resistance ....................................................................................................................................................MIL-STD-202, Method 103, Condition B

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

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

PC - “Slimline” 22 mm Square Single Turn Panel Control

Product Dimensions

Axial PC Pins

7.42

(.292)

"F"

"L"

14.7

0.5

DIA.

(.578

.020)

22.2

0.25

(.874

.010)

11.1

(.437)

PANEL HOLE DIMENSIONS

9.53

(.375)

1 2 3

9.0

DIA.

(.354)

M9 X 0.75-6g SPL

1.52

(.060)

"F" =

.320

(8.13)

11.1

(.437)

2.54

5.08

(.100)

(.200)

0.79

3 PLCS.

(.031)

"E" 2 PLCS.

3.18

DIA.

(.125)

9.14

DIA.

(.360)

6.25

(.246)

6.35

9.53

(.250)

(.375)

"E" =

"L" = SEE SHAFT LENGTH TABLE

Radial PC Pins

"L"

"F"

14.7

0.5

(.578

.020)

DIA.

22.2

0.25

(.874

.010)

.320

(8.13)

11.1

(.437)

PANEL HOLE DIMENSIONS

9.53

(.375)

8.36

(.329)

11.1

(.437)

.28

(.011)

3 PLCS.

6.25

(.246)

0.79

(.031) 3 PLCS.

1 2 3

3.18

DIA.

(.125)

9.14

DIA.

(.360)

"E" 2 PLCS.

"F" =

6.35

9.53

(.250)

(.375)

"E" =

2.54

5.08

(.100)

(.200)

"L" = SEE SHAFT LENGTH TABLE

TOLERANCES EXCEPT WHERE NOTED:

.25

.XX =

(.010)

.13

.XXX =

(.005)

DIMENSIONS ARE:

(INCHES)

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

PC - “Slimline” 22 mm Square Single Turn Panel Control

Product Dimensions

SOLDER LUGS

(Dimensions not given are the same as

Axial PC pins.

"L"

"F"

22.2

0.25

(.874

.010)

8.36

(.329)

7.75

(.305)

1.02 X 2.29

3 PLCS.

(.040 X .090)

5.08

(.200)

2 PLCS.

2.03

3 PLCS.

(.080)

"F" =

6.35

9.53

(.250)

(.375)

.28

3 PLCS.

(.011)

6.25

(.246)

Axial PC PINS

With Rear Mounting Bracket

6.83

(.269)

8.31

(.327)

0.76

(.030)

4 PLCS.

"L"

23.37

(.92)

15.2

18.87 (.600)

(.743)

17.07

(.672)

1.19

DIA. 7 PLCS.

(.047)

11.43

(.450)

2 PLCS.

"E" 2 PLCS.

5.87

(.231)

"E" =

5.08

2.54

(.200)

(.100)

Radial PC PINS

With Side Mounting Bracket

"L"

23.37

(.92)

5.48

(.216)

1.19

DIA. 7 PLCS.

(.047)

7.62

(.300)

2 PLCS.

17.07

(.672)

12.62

(.497)

6.83

(.269)

5.08

(.200)

"E" 2 PLCS.

11.43

2 PLCS.

(.450)

"E" =

0.76

4 PLCS.

(.030)

0.79

(.031) 3 PLCS.

5.08

2.54

(.200)

(.100)

"E" 2 PLCS.

SHAFT STYLES AND ORIENTATION (Full CCW Rotation)

Shaft Style

5.54

.076

(.218

.003)

Shaft Style

3.94 + .051/ - .025

(.155 + .002/ - .001)

Shaft Style

6.00

DIA.

(.236)

Shaft Style

6.32 + 0.03/ - 0.08

(.249 + .001/ - .003)

DIA.

1.19

(.047)

1.19

(.047)

Shaft Style

1.57

(.062)

4.7

DIA.

(.185)

"D"

6.32 + 0.03/ - 0.08

(.249 + .001/ - .003)

DIA.

"D"

4.75

.051

DIA.

(.187

.002)

1.6

(.063)

1.6

(.063)

"D" dimensions extend from shaft end to bushing face

"D" = (shaft length, FMS) – (bushing length)

Shaft Orientations

Shaft Styles

C, J

Shaft Styles

B, R

° ±

120

° ±

Slot depth (Y shaft) 9.65 (.380)

for shafts <1 " (2.54) length;

14.7 (.520) for shafts

≥1

(2.54) length

Shaft Style

° ±

DIMENSIONS:

(IN.)

TOLERANCES EXCEPT WHERE NOTED:

.25

(.010)

.13

.XXX =

(.005)

.XX =

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

How to Order PC “Slimline” Panel Controls

RoHS IDENTIFIER

Code Description

Compliant

SHAFT LENGTH (FMS)

Available Shaft

Code Description

Styles

1/2 ” (12.7 mm) Length

5/8 ” (15.9 mm) Length

3/4 ” (19 mm) Length

B, C, J, Y

7/8 ” (22.2 mm) Length

B, C, J, Y

1 ” (25.4 mm) Length

B, C, J, Y

1-1/8 ” (28.6 mm) Length

B, C, J, Y

Metric

19 mm Length

22 mm Length

24 mm Length

Code

501

102

252

502

RESISTANCE VALUES

Code

500 Ω

103

10 KΩ

104 100 KΩ

1 KΩ

203

20 KΩ

254 250 KΩ

2.5 KΩ

253

25 KΩ

504 500 KΩ

5 KΩ

503

50 KΩ

105

1 MΩ

ELEMENT TAPER VERSIONS

Code Taper Description

Lin. CP ±20 %

CW Audio CP ±20 %

CCW Audio CP ±20 %

SHAFT STYLES (See Outline Drawing)

Code Description

1/4 ” (6.35 mm) Dia. Slotted

1/4 ” (6.35 mm) Dia. Flatted

3/16 ” (4.76 mm) Dia. Flatted

6 mm Dia. Slotted

(Use Metric Lengths Only)

3/16 ” (4.76 mm) Dia. Split Shaft

DETENT CONFIGURATIONS

Code Taper Description

No Detents

10 Detents

Center Detent Only

20 Detents

30 Detents

CCW Detent Only

ANTI-ROTATION LUG

Code Description

9:00 Position

None

NO. SECTIONS

Single

BUSHING CONFIGURATION

Available Shaft

Code Description

Styles

9 mm x .250 ” (6.35 mm) Length

All

Threaded M9 x 0.75 6g 5 Pl

9 mm x .375 ” (9.53 mm) Length

B, C, R

Threaded M9 x 0.75 6g 5 Pl

HOUSING TERMINAL CONFIGURATION

Code

Features

A B C D E F

Rear Mounting Bracket

Side Mounting Bracket

Axial Terminals .100 ” (2.54 mm) Centers

Radial Terminals .100 ” (2.54 mm) Centers

X X

Radial Terminals .200 ” (5.08 mm) Centers

Solder Lugs .200” (5.08 mm) Centers

Axial Terminals .200 ” (5.08 mm) Centers

Hardware Included

X X

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.

Asia-Pacific:

Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116

Europe:

Tel: +41-41 768 5555 • Fax: +41-41 768 5510

The Americas:

Tel: +1-951 781-5500 • Fax: +1-951 781-5700

www.bourns.com

REV. 08/09

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

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