Features
n
Compatible with other members of the
Model 80 Series
n
The only 10-turn precision potentiometer
in a modular panel control package
n
Up to 2 sections available
n
RoHS compliant*
83/84 – 5/8 ˝ Square 10-Turn
Wirewound Element (J Taper)
Hybritron
®
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
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
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; locking bushing versions
are shipped with one additional locking nut (Bushing A: H-37-2 & H-38-2; Bushing B: H-37-2, H-38-2 & H-38-4; Bushing C: H-37-1 & H-38-1;
Bushing E: H-37-1, H-38-1 & H-38-3; Bushing J: H-37-2 & H-38-2; Bushing N: H-37-1 & H-38-1; Bushing R: H-37-4 & H-38-9;
Bushing U: H-37-3 & H-38-8)
NOTE: Model 83/84 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
1Electrical specifications tested at 250 RPM, at room ambient: +25 °C nominal.
Initial Electrical Characteristics
1
Environmental Characteristics
1
Mechanical Characteristics
1
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
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)
14.30
"C" BUSHING END FOR SHAFTS UNDER
(9/16)
15.88 ± .38
(.625 ± .015)
6.35 ± 1.02
(.25 ± .04)
2.54 ± .25
(.10 ± .01)
6.10 ± .51
(FMS TO C )
L
(.24 ± .02)
.30
(.012) TYP. 3 PLCS.
1.52
(.06)
.91
(.036)
9.14 ± .76
(.36 ± .03)
4.45
(.175)
MIN.
7.62 ± .25
(.30 ± .01)
5.08 ± .51
(.20 ± .02)
Solder Lug Model 84
19.05 ± .51
(.75 ± .02)
15.88 ± .38
(.625 ± .015)
15.88 ± .38
(.625 ± .015)
1.52
(.06)
"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)
10.80
(.425)
MIN.
6.35 ± .05
(.250 ± .002)
PILOT DIA.
6.79 ± .41
(.031 ± .01)
6.35 ± .13
(.500 ± .005)
5.59 ± .51
(.22 ± .02)
2.54 ± .25
(.10 ± .01)
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
9.14 ± .76
(.30 ± .01)
(.360 ± .03)
2.03 ± .13
1/4-32 UNEF
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)
2
"A" Bushing
3/8 " (9.53 mm) Dia. Plain - Single Shaft
9.50 ± 0.40
(.375 ± .15)
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
3/8-32 UNEF
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
"A" Bushing
3/8 " (9.53 mm) Dia. Plain - Concentric Shaft
19.05 ± .79
(3/4 ± 1/32)
STANDARD
28.58 ± .79
(1.125 ± .031)
STANDARD
9.53
(.375)
3.162 ± .025
DIA.
(.1245 ± .001)
DIA.
1.98 ± .03
DIA.
(.078 ± .001)
6.32 ± .03
(.249 ± .001)
3/8-32 UNEF
TRIPLE CONCENTRIC
(SPECIAL ORDER)
6.32
3.18
OUTER SHAFT
DIA. OPERATES SECTION #1 INNER SHAFT
(.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
"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)
NOTE: SLOTTED
END SHAFT
ORIENTATION IS
RANDOM.
3/8-32 UNEF
11.13
(.438)
MIN.
9.53 ± .13
(.375 ± .005)
PILOT DIA.
SHAFT SLOT 1.19 WIDE X
(.047)
1.60 + .38/-.00 DEEP
(.063 + .015/-.000)
1.98 ± .03
DIA.
(.078 ± .001)
6.32 ± .03
DIA.
(.249 ± .001)
.25
45 ° ± 5 ° X (.010)
CHAMFER
3.162 ± .025
DIA.
(1.245 ±.0010)
1/4-32 UNEF
3.18
OUTER SHAFT
DIA.OPERATES SECTION #1 INNER SHAFT
(.125)
1.98
DIA. OPERATES SECTION #2, #3, & #4 ("K" STYLE)
(.08)
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
13.50
(.531)
J
9.53
(.375)
H
11.10
(.437)
.79 ± .41
(.031 ± .016)
2.31
(.091)
3.18
(.125)
2.36
(.093)
3.18
(.125)
DIMENSIONS:
MM
(INCHES)
NOTE: "D" OPTION - NO A/R LUG. OTHER LOCATING LUG OPTIONS AVAILABLE. FOR DETAILS CONSULT FACTORY.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
83/84 – 5/8 ˝ Square 10-Turn
How To Order
83
A
1
A
-
B
28
-
J
15
L
RoHS IDENTIFIER
Compliant
L
A
B
C
D
E
F
J
K
# SECTIONS
1 Single
2 Double
3 Triple
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
A
B
C
E
J
N
R
U
BUSHING
Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
Locking 3/8 ” (9.53 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 ” (9.53 mm) D x 1/4 ” (6.35 mm) L
Plain 1/4 ” (6.35 mm) D x 3/8 ” (9.53 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 TAPER
TYPE/TOLERANCE
(J)
(K)
Linear Wirewound
10-Turn ±5 %
Linear Hybritron
®
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
83
84
MODEL
10-Turn, PC Pins
10-Turn, Solder Lugs
AVAILABLE ONLY IN
LENGTHS
BUSHINGS
(CODE)
(CODE)
16,20,24,28
A, B, J
16,20,24,28
A, B, J
20,24,28
A, B, J
12,16,20,24,28 C, E, N
Consult Factory C, N
36,40
A, J
32,36
36,40
32,36
36,40
32,36
16,19,22,50
10, 13, 22
30, 42
C, N
A, J
C, N
A, J
C, N
R, S
U
R
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
Boldface features are Bourns standard options.
All others are available with higher minimum order
quantities.
REV. 10/20
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
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