MODEL 9300 SERIES
1-13/16” Diameter
3-Turn
Wirewound
Precision Potentiometer
MODEL STYLES
2
9301
9303
ELECTRICAL
1/4” Shaft, 3/8” Bushing
1/4” Shaft, Servo
Resistance Range, Ohms
Standard Resistance Tolerance
Minimum Practical Resistance Tolerance
Independent Linearity
Minimum Practical Independent Linearity
Power Rating, Watts
Dielectric Strength
Insulation Resistance, Minimum
Noise, Maximum
Actual Electrical Travel
Electrical Continuity Over Travel
Tap Tolerance
End Voltage, Maximum
Specifications subject to change without notice.
30 to 190K
±5%
±1%
±0.25%
±0.2%, < 150 Ohms
±0.1%, 150-1,500 Ohms
±0.05%, 1,501-9,999 Ohms
±0.04%,
≥10K
Ohms
3.0 at 70°C derating to 0 at 125°C
1,000V rms
1,000 Megohms
100 Ohms
1,080° + 3° – 0°,
≤100
Ohms
1,080° + 2° – 0°, 101-700 Ohms
1,080° + 1° – 0°, >700 Ohms
+90° ±5° at each end
±2°,
≤100
Ohms
±1°, 101-700 Ohms
±0.5°, >700 Ohms
Within Std. Linearity Tolerance
2-129
Model 9300 Series
ENVIRONMENTAL (MIL-R-12934)
Operating Temperature Range
Temperature Cycling
Shock, 6ms Sawtooth
Vibration
Moisture Resistance
High Temperature Exposure
Rotational Load Life
MECHANICAL
Static: –65°C to +125°C
Dynamic: -40°C to +125°C
5 cycles, –65°C to +125°C (5%
∆R)
50G’s (0.1ms discontinuity max.)
5G’s, 10 to 2,000 Hz (5%
∆R,
0.1ms discontinuity max.)
Ten 24 hour cycles (3%
∆R)
1,000 hours at 125°C (5%
∆R)
2 mil. shaft rev. plus 900 hrs. at rated wattage at 70°C (5%
∆R)
Total Mechanical Travel
Number of Cups, Maximum
Weight, Nominal (per gang)
Static Stop Strength
Backlash, Maximum
Shaft End Play, Maximum
Shaft Runout, T.I.R., Maximum
Pilot Diameter Runout, T.I.R., Maximum
Lateral Runout, T.I.R., Maximum
Starting Torque, Maximum
Running Torque, Maximum
Panel Nut Tightening Torque, Maximum
Shaft Radial Play, Maximum
STANDARD RESISTANCE VALUES, OHMS
9301
25 lb.-in.
0.002"
1260° ± 5°
3
3.4 oz.
600 oz.-in.
Essentially zero
.005"
.0005"
.001"
.0015"
1.3 oz.-in.
0.9 oz.-in.
9303
N/A
0.001"
Total
Resistance
1K
5K
10K
20K
50K
Theoretical
Resolution
(% Nominal)
0.039
0.032
0.027
0.021
0.017
Tempco
of Wire
±20 ppm/°C
±20 ppm/°C
±20 ppm/°C
±20 ppm/°C
±20 ppm/°C
2-130
Model 9300 Series
OUTLINE DIMENSIONS (Inch/mm)
Model 9301
Bushing Mount
1.844±.031
46.84± 0.79
1.344±.031
34.14± 0.79
Slider CW
CWW
Mounting Surface
.812 ±.031
20.6± 0.79
.2497 + .0000
– .0003 Dia.
6.3424 + 0.0000
– 0.0076
60
˚
Max.
1.203
30.56 R. Max.
2
1.812 ±.016
46.03± 0.41 Dia.
.405±.001
Dia.
10.3± 0.03
+ .000
.062 – .010
+ 0.00
1.58 – 0.25
.312± .016
7.93± 0.41
Chamfer
.016/0.41 Max. x 45
˚
3
/
8
-32
+
.562±.016
14.3±0.41
UNEF Thread
Locating Hole
.129±.005/3.277± 0.127 Dia.
x .094±.016/2.388 ± 0.406
positioned as shown
OUTLINE DIMENSIONS (Inch/mm)
Model 9303
Servo Mount
1.750
±.031
44.45
±
0.79
1.250
±.031
31.75
±
0.79
Slider CW
CWW
Mounting Surface
.625±.031
15.9± 0.79
.2497 + .0000
– .0003 Dia.
6.3424 + 0.0000
– 0.0076
60
˚
Max.
1.203
R. Max.
30.56
1.812
±.016
46.03± 0.41 Dia.
.093± .005
2.36± 0.13
Chamfer
.016/0.41 Max. x 45
˚
.062
±
.005
1.58
±
0.13
1.875 + .000
– .001
Dia.
47.63 + 0.00
– 0.03
+ .005
2.000
– .010
Dia.
+ 0.13
50.80
– 0.25
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
2-131
Model 9300 Series
SPECIAL FEATURES
Center Tap
Linearity Tape
Rear Shaft Extension
Flatted Shaft
Slotted Shaft
Shaft Lock (9301 only)
ORDERING INFORMATION
CT
LT
RS
FS
SS
SL
9301 R 10K L.25 XX
Model Series
Resistance Prefix
Resistance Value
Linearity
Optional Special
Feature Code
MATCHING TURNS COUNTING DIALS
9301: 2606, 2607, 2626, 2627, 2646, 2647, RB
CIRCUIT DIAGRAM
NOTES
(S)
(CCW)
(CW)
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.
Tolerances unless otherwise specified:
Linear = ± .01 inches
(.25mm)
Angular = ± 2 degrees
INCH
mm
2-132
Model 9300 Series
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