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oH VE S CO AV R M AI SIO PL LA N IA BL S NT E
Features

Compatible with other members of the Model 80 Series The only 10-turn precision potentiometer in a modular panel control package Up to 2 sections available
*R
83/84 - 5/8 " Square 10-Turn
Initial Electrical Characteristics1
Wirewound Element (J Taper) Hybriton Element (K Taper) Standard Resistance Range ...................................................................200 to 100 K ohms ......................................1 K to 100 K ohms Total Resistance Tolerance .....................................................................5 %............................................................10 % Independent Linearity .............................................................................0.25 %.......................................................0.25 % Absolute Minimum Resistance (J Taper) ................................................1.0 ohm or 0.1 % (whichever is greater) .....- Effective Electrical Angle ........................................................................3600 +10 , -0 .........................................3600 +10 , -0 Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level............................................................................................1,000 VAC minimum....................................1,000 VAC minimum Insulation Resistance (500 VDC) ............................................................1,000 megohms minimum...........................1,000 megohms minimum Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less) +70 C ...............................................................................................1 watt...........................................................1 watts +125 C ..............................................................................................0 watt...........................................................0 watt Theoretical Resolution ............................................................................See table .....................................................Essentially infinite End Voltage (K Taper) .............................................................................-...................................................................0.2 % of applied voltage Noise (J Taper) ........................................................................................100 ohms ENR maximum............................- Output Smoothness (K Taper) ................................................................-...................................................................0.15 % maximum
Environmental Characteristics1
Operating Temperature Range ...............................................................+1 C to +125 C .........................................+1 C to +125 C Storage Temperature Range...................................................................-55 C to +125 C........................................-55 C to +125 C Temperature Coefficient Over Storage Temperature Range...................50 ppm/C.................................................100 ppm/C Vibration..................................................................................................15 G.............................................................15 G Total Resistance Shift.........................................................................2 %............................................................2 % Voltage Ratio Shift..............................................................................0.2 %.........................................................0.2 % Wiper Bounce.....................................................................................0.1 millisecond maximum............................0.1 millisecond maximum Shock......................................................................................................50 G.............................................................50 G Total Resistance Shift.........................................................................2 %............................................................2 % Voltage Ratio Shift..............................................................................0.2 %.........................................................0.2 % Wiper Bounce.....................................................................................0.1 millisecond maximum............................0.1 millisecond maximum Load Life.................................................................................................1,000 hours .................................................1,000 hours Total Resistance Shift.........................................................................2 % maximum ...........................................5 % maximum Rotational Life (No Load) ........................................................................1,000,000 shaft revolutions .........................4,000,000 shaft revolutions Total Resistance Shift.........................................................................5 % maximum ..........................................5 % maximum Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift.........................................................................2 % maximum ...........................................5 % maximum Insulation Resistance (500 VDC) ........................................................100 megohms minimum..............................100 megohms minimum IP Rating .................................................................................................IP 40 ............................................................IP 40
Mechanical Characteristics1
Stop Strength ......................................................................................................................................................................33.90 N-cm (48.0 oz.-in.) minimum Mechanical Angle ............................................................................................................................................................................................3600 +15 , -0 Torque Starting ................................................................................................................................................Running torque plus 0.7 N-cm (1.0 oz.-in.) maximum Running (1 or 2 Section)..............................................................................................................................................0.18 to 1.41 N-cm (0.25 to 2.0 oz.-in.) Mounting (Torque on Bushing) ......................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum Shaft Runout ........................................................................................................................................................................................0.15 mm (0.006 in.) T.I.R. Shaft End Play......................................................................................................................................................................................0.36 mm (0.014 in.) T.I.R. Shaft Radial Play..................................................................................................................................................................................0.13 mm (0.005 in.) T.I.R. Weight (Single Section) ......................................................................................................................................................................................21 gm (0.75 oz.) (Each Additional Section) ..............................................................................................................................................................................18 gm (0.65 oz.) Terminals ........................................................................................................................................................................Printed circuit terminals 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, wiring diagram, date code and resistance, manufacturer's part number Ganging (Multiple Section Potentiometers) ......................................................................................................................................................2 cup maximum Hardware ............................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
NOTE: MODEL 83/84 PERFORMANCE SPECIFICATIONS DO NOT APPLY TO UNITS SUBJECTED TO PRINTED CIRCUIT BOARD CLEANING PROCEDURES. 1 AT ROOM AMBIENT: +25 C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED.
*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.
83/84 - 5/8 " Square 10-Turn
Wirewound Resolution Table
Resistance (Ohms) 200 500 1K 2K 5K 10 K 20 K 50 K 100 K Resolution (Nom.) (%) .048 .037 .032 .031 .023 .020 .015 .012 .010
Dimensional Drawings
Dual Section Model 84 Solder Lugs
37.03 .71 (1.458 .028)
Dual Section Model 83 PC Pins
37.03 .71 (1.458 .028)
7.62 .25 (.30 .01)
Note: The Models 83/84 dimensions for dual section assembly are for either single or dual concentric shaft styles.
7.62 .25 (.30 .01)
DIMENSIONS ARE:
MM (INCHES)
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
83/84 - 5/8 " Square 10-Turn
Product Dimensions
PC Pin Model 83
19.05 .51 (.75 .02) 15.88 .38 (.625 .015) .79 .41 (.031 .016)
"C" Bushing 1/4 " (6.35 mm) Dia. Plain - Single Shaft
6.35 .13 (.250 .005) 9.53,12.7,15.88,19.05,22.23 .79 (3/8, 1/2, 5/8, 3/4, 7/8, 1/32) STANDARD 3.162 .025 DIA. (.1245 .001) SHAFT SLOT .79 WIDE X .79 (.031) (.031) .25 .25 DEEP 6.35 .05 45 5 X (.010) (.250 .002) CHAMFER (.010) PILOT DIA. 2.39 OPTIONAL FLAT 6.35 LONG OR 1.52 FROM (.250) (.094) (.06) 9/16 "C" BUSHING END FOR SHAFTS UNDER (14.30)
15.88 .38 (.625 .015)
1.27 1.02 (.50 .04) 2.54 .25 (.10 .01)
6.10 .51 (FMS TO C ) L (.24 .02) .30 (.012) TYP. 3 PLCS. 7.62 .25 (.30 .01) .91 (.036) 9.14 .76 (.36 .03)
1.52 (.06)
4.45 (.175) MIN.
5.08 .51 (.20 .02)
Solder Lug Model 84
19.05 .51 (.75 .02)
15.88 .38 (.625 .015) 15.88 .38 (.625 .015)
"E" Bushing 1/4 " (6.35 mm) Dia. Locking - Single Shaft
15.90 0.80 (5/8 1/32) STANDARD 3.162 .025 DIA. (.1245 .001)
6.79 .41 (.031 .01)
6.35 .13 (.500 .005)
5.59 .51 (.22 .02)
6.10 .51 (FMS TO C ) L (.24 .02) SLOT 1.02 WIDE X 2.29 LONG .30 (.090) TYP. 3 PLCS. (.040) (.012) TYP. 7.62 .25 (.30 .01) 9.14 .76 (.360 .03)
1.52 (.06)
2.03 .13
10.80 (.425) MIN. 6.35 .05 (.250 .002) PILOT DIA. SHAFT SLOT .78 .78 .25 WIDE X DEEP (.031) (.031) (.010) .25 45 5 X (.010) CHAMFER
1.78 .25 (.080 .005) (.070 .010) 3.56 (.14)
1/4-32 UNEF
2.54 .25 (.10 .01)
"A" Bushing 3/8 " (9.53 mm) Dia. Plain - Single Shaft
2
"A" Bushing 3/8 " (9.53 mm) Dia. Plain - Concentric Shaft
28.58 .79 (1.125 .031) STANDARD 6.32 .03 9.53 (.249 .001) (.375) DIA. 3.162 .025 DIA. (.1245 .001) 1.98 .03 DIA. (.078 .001)
9.50 0.40 (.375 .15)
3/8-32 UNEF
1
3
2
CCW
WIPER
1
CLOCKWISE
3
CW
7.92 (.312) MIN. 9.53 .13 (.375 .005) PILOT DIA. 5.49 OPTIONAL FLAT 16.00 LONG OR 1.52 FROM (.63) (.216 ) 17.66 (.06) A" BUSHING END FOR SHAFTS UNDER (11/16)
12.7,15.88,19.05,22.23 .79 (1/2, 5/8, 3/4, 7/8 1/32) STANDARD 6.32 .03 DIA. (.249 .001) SHAFT SLOT 1.19 WIDE X (.047) 1.60 + .38/-.00 DEEP (.063+.015/-.000) .25 45 5 X (.010) CHAMFER
19.05 .79 (3/4 1/32) STANDARD
3/8-32 UNEF
TRIPLE CONCENTRIC (SPECIAL ORDER)
OUTER SHAFT 6.32 DIA. OPERATES SECTION #1 INNER SHAFT 3.18 (.249) (.125) DIA. OPERATES SECTION #2, #3, & #4 ("G" STYLE)
Shaft Flat Orientation
120 5 STD. FLAT ORIENTATION (SHAFT AT CCW END)
"B" Bushing 3/8 " (9.53 mm) Dia. Plain - Single Shaft
15.88 .79 (5/8 1/32) STANDARD 1.19 WIDE X (.047) 1.60 + .38/-.00 DEEP (.063 + .015/-.000) SHAFT SLOT 11.13 (.438) MIN. 9.53 .13 (.375 .005) PILOT DIA. 6.32 .03 DIA. (.249 .001) .25 45 5 X (.010) CHAMFER
"C" Bushing 1/4 " (6.35 mm) Dia. Plain - Concentric Shaft
15.88 .79 (5/8 1/32) STANDARD 6.35 (.25) 25.40 .79 (1 1/32) STANDARD
12.70 .13 (.500 .005)
1.98 .03 DIA. (.078 .001)
NOTE: SLOTTED END SHAFT ORIENTATION IS RANDOM.
3/8-32 UNEF
3.162 .025 DIA. (1.245 .0010) 1/4-32 UNEF OUTER SHAFT 3.18 DIA.OPERATES SECTION #1 INNER SHAFT (.125) 1.98 (.08) DIA. OPERATES SECTION #2, #3, & #4 ("K" STYLE) TOLERANCES EXCEPT AS SHOWN: DECIMALS .XXX .127 (.005) .XX .38 (.015) ANGLE 5 FRACTIONS 1/64
Locating Lug Options - All Model 80 Series A
.46 (.018) 7.75 (.305)
E
J
13.50 (.531)
9.53 (.375)
H
11.10 (.437)
.79 .41 (.031 .016)
2.31 (.091)
3.18 (.125)
2.36 (.093)
3.18 (.125)
DIMENSIONS ARE:
NOTE: "D" OPTION - NO A/R LUG. OTHER LOCATING LUG OPTIONS AVAILABLE. FOR DETAILS CONSULT FACTORY.
MM (INCHES)
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
83/84 - 5/8 " Square 10-Turn
How to Order
83 A 1 A B 28 J 15 L
A B C D E F J K
ANTI-ROTATION LUG Single .305 R, 90 CW Double .305 R, 90 & 270 CW Single .305 R, 270 CW No Lug Single .531 R, 90 CW Single .305 R, 180 CW Single .375 R, 90 CW Double .375 R, 90 & 270 CW
RoHS IDENTIFIER L Compliant Blank Non-Compliant
1 2 3
# SECTIONS Single Double Triple
A B C E J N R U
BUSHING Plain 3/8 " (9.53 mm) D x 3/8 " (9.65 mm) L Locking 3/8 " (9.65 mm) D x 1/2 " (12.7 mm) L Plain 1/4 " (6.35 mm) D x 1/4 " (6.35 mm) L Locking 1/4 " (6.35 mm) D x 1/2 " (12.7 mm) L Plain 3/8 " (9.65 mm) D x 1/4 " (6.35 mm) L Plain 1/4 " (6.35 mm) D x 3/8 " (9.65 mm) L Plain 10 mm D x 9 mm L Plain 7 mm D x 6 mm L
SHAFT AVAILABLE LENGTH ONLY IN (FMS) BUSHING Code Description Code 12 3/8 "L C, N, J 16 1/2 "L A, C, J, N 20 5/8 "L A, B, C, E, J, N 24 3/4 "L A, B, C, E, J, N 28 7/8 "L A, B, C, E, J, N 32 1 "L A, B, C, E, J, N 36 1-1/8 "L A, B, C, E, J, N 40 1-1/4 "L A, B, C, E, J, N METRIC 10 10 mmL U 13 13 mmL U 16 16 mmL R 19 19 mmL R 22 22 mmL R, U 30 30 mmL R 42 42 mmL R 50 50 mmL R
ELEMENT TYPE TAPER/TOLERANCE (J) Linear Wirewound 10-Turn 5 % (K) Linear Hybritron(R) Elements 10-Turn 10 %
RESISTANCE CODE VALUE IN OHMS J K (06) - 200 (10) -1 K (08) - 500 (11) - 2 K (10) - 1 K (13) - 5 K (11) - 2 K (15) - 10 K (13) - 5 K (16) - 20 K (15) - 10 K (18) - 50 K (16) - 20 K (20) - 100 K (18) - 50 K (20) - 100 K
MODEL 83 10-Turn, PC Pins 84 10-Turn, Solder Lugs
AVAILABLE ONLY IN SHAFT TYPE A B C E F G K L M N P R T V Single Plain 1/4 " (6.35 mm) D Single Slotted 1/4 " (6.35 mm) D Single Flatted 1/4 " (6.35 mm) D Single Slotted 1/8 " (3.18 mm) D Single Flatted 1/8 " (3.18 mm) D Dual Concentric Plain 1/4 " (6.35 mm) D - 1/8 " (3.18 mm) D Outer Operates Section 1 Dual Concentric Plain 1/8 " (3.18 mm) D - 5/64 " (1.98 mm) D Outer Operates Section 1 Dual Concentric Plain 1/4 " (6.35 mm) D - 1/8 " (3.18 mm) D Outer Operates Section 1/2 Dual Concentric Plain 1/8 " (3.18 mm) D - 5/64 " (1.98 mm) D Outer Operates Section 1 Dual Concentric Plain 1/4 " (6.35 mm) D - 1/8 " (3.18 mm) D Outer Operates Section 1/2/3 Dual Concentric Plain 1/8 " (3.18 mm) D - 5/64 " (1.98 mm) D Outer Operates Section 1/2 Single Slotted 6 mm D Single Slotted 4 mm D Dual Concentric Plain 6 mm D - 3 mm D Outer Operates Section 1 LENGTHS (CODE) 16,20,24,28 16,20,24,28 20,24,28 12,16,20,24,28 Consult Factory 36,40 32,36 36,40 32,36 36,40 32,36 16,19,22,50 10, 13, 22 30, 42 BUSHINGS (CODE) A, B, J A, B, J A, B, J C, E, N C, N A, J C, N A, J C, N A, J C, N R U R
Boldface features are Bourns standard options. All others are available with higher minimum order quantities.
REV. 08/11/06 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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