MODEL 6180 SERIES
7/8” Diameter
Single Turn
Conductive Plastic
Precision Potentiometer /
Position Sensor
MODEL STYLES
2
6181
6186
6187
ELECTRICAL
1/8” Shaft, 1/4” Bushing
1/8” Shaft, 3/8” Bushing
1/4” Shaft, 3/8” Bushing
Resistance Range, Ohms
Standard Resistance Tolerance
Minimum Practical Resistance Tolerance
Independent Linearity *
Minimum Practical Independent Linearity
Input Voltage, Maximum
Power Rating, Watts
Dielectric Strength
Insulation Resistance, Minimum
Output Smoothness, Maximum
Actual Electrical Travel, Nominal
Electrical Continuity Travel, Nominal
End Voltage, Maximum
Resolution
Temperature Coefficient**
Specifications subject to change without notice.
* Linearity is measured between 1% and 99% of input voltage.
** Special tempco available to ±100ppm/°C.
1K to 100K
±10%
±5%
±1.0%
±0.5%
400Vdc not to exceed power rating
1.0 at 70°C derating to 0 at 125°C
750V rms
1,000 Megohms
0.1%
340° (300° with stop feature)
350° (320° with stop feature)
0.5% of input voltage
Essentially Infinite
-800 ppm/°C
2-67
Model 6180 Series
ENVIRONMENTAL (MIL-R-39023)
Operating Temperature Range
Temperature Cycling
Shock, 6ms Sawtooth
Vibration
Moisture Resistance
High Temperature Exposure
Rotational Life
Rotational Load Life
MECHANICAL
Static: –65°C to +125°C
Dynamic: –40°C to +125°C
5 cycles, –65°C to +125°C (10%
∆R)
100G’s (0.1ms discontinuity max.)
10G’s, 10 to 500 Hz (2%
∆R,
0.1ms discontinuity max.)
Five 24 hour cycles (25%
∆R)
1,000 hours at 125°C (0.5%
∆R)
5 mil. shaft rev.
5 mil. shaft rev. (10%
∆R)
Total Mechanical Travel
Number of Gangs, Maximum
Weight, Nominal (single gang)
Backlash, Maximum
Static Stop Strength
Panel Nut Tightening Torque, Maximum
Start/Run Torque, Maximum
STANDARD RESISTANCE VALUES, OHMS
360° (320° ±3° with stop feature)
1
0.53 oz.
1°
40 oz.-in.
25 lb.-in.
1.0 oz.-in.
1K
2K
5K
10K
20K
50K
METRIC CONVERSIONS
1 in.
1 oz.
25.4 mm
28.4 gm
1 oz.-in.
1 lb.-in.
0,007 N-m
0,113 N-m
2-68
Model 6180 Series
OUTLINE DIMENSIONS (Inch/mm)
Model 6181
.559
14.2
Max.
45°
±
5°
CW
CCW
.187±.016
R.
4.75±0.41
Slider
.875±.016
22.2±0.41
Dia.
+.000
.062
-.010
+0.00
1.58
-0.25
.455
11.6
Max.
Mounting Surface
.875±.031
22.2±.031
+.0000
-.0005
Dia.
+0.0000
3.1699
- 0.0127
.1248
+.000
.281 -.002
+0.000 Dia.
7.137 - 0.051
Adjustment Slot
.032
±
.005/0.813
±
0.127 Wide x
.032
±
.010/0.813
±
0.254 Deep
2
Chamfer
.016/0.41 Max. x 45°
1/4 - 32 UNEF Thread
.312±.016
7.93±0.41
Anti-Rotation Pin
.060
±
.005/1.524
±
0.127 Dia.
on .290
±
.005/7.366
±
0.127 Radius
extends .040
±
.010/1.016
±
0.254
from Mounting Surface
OUTLINE DIMENSIONS (Inch/mm)
Model 6186 & 6187
Mounting Surface
.559
14.2
Max.
45°
±
5°
CW
CCW
.187±.016
4.75±0.41 R.
Slider
.875±.016
22.2±0.41
Dia.
+.000
.062
-.010
+0.00
1.58
-0.25
Chamfer
.016/0.41 Max. x 45°
3/8 - 32 UNEF Thread
.375±.016
9.53±0.41
.455
11.6
Max.
.875±.031
22.2±.031
Dim. "A" Dia.
+.000
.406 -.002
+0.000 Dia.
10.312 - 0.051
Adjustment Slot
.032
±
.005/0.813
±
0.127 Wide x
.032
±
.010/0.813
±
0.254 Deep
Anti-Rotation Pin
.060
±
.005/1.524
±
0.127 Dia.
on .290
±
.005/7.366
±
0.127 Radius
extends .040
±
.010/1.016
±
0.254
from Mounting Surface
Model 6186
Model 6187
+.0000
+.0000
.1248 -.0005
.2497 -.0005
+ 0.0000
+ 0.0000
3.1699 - 0.0127 6.3424 - 0.0127
Dim.
A
2-69
Model 6180 Series
SPECIAL FEATURES
Center Tap
Linearity Tape
Shaft Lock
Stop
ORDERING INFORMATION
CT
LT
SL
ST
6187 R 10K T5 L 1.0 XX
Model Series
Resistance Prefix
Resistance Value
Optional Special
Feature Code
Linearity
Optional
Non-Standard Tolerance
CIRCUIT DIAGRAM
NOTES
Metric equivalents, based on 1 inch = 25.4mm are rounded to
the same number of significant figures as in the original
English units and are provided for general information only.
(S)
(CCW)
(CW)
INCH
mm
Tolerances unless otherwise specified:
Linear = ± .01 inches
(.25mm)
Angular = ± 2 degrees
2-70
Model 6180 Series
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