MODEL 7600 SERIES
1-13/16” Diameter
10-Turn
Wirewound
Precision Potentiometer
2
MODEL STYLES
7601
7603
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
Input Voltage, Maximum
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.
*May require external pads.
1K to 650K
±5%
±1%
±0.15%
±0.1%, < 500 Ohms
±0.05%, 500-4,999 Ohms
*±0.025%,
≥
5K Ohms
5.0 at 70°C derating to 0 at 125°C
1,000Vdc Not to Exceed Power Rating
1,000V RMS
1,000 Megohms
100 Ohms
3,600° + 3° -0°,
≤
300 Ohms
3,600° + 2° -0°, 301-2,500 Ohms
3,600° + 1° -0°, > 2,500 Ohms
+90° ±5° at each end
±2°,
≤
300 Ohms
±1°, 301-2,500 Ohms
±0.5°,
≥
2,500 Ohms
Within Std. Linearity Tolerance
2-115
Model 7600 Series
ENVIRONMENTAL (MIL-R-12934)
Operating Temperature Range
Temperature Cycling
Shock, 6ms Sawtooth
Vibration
Moisture
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)
100G’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
3,780° ± 5°
2
5.5 oz.
600 oz.-in.
Essentially zero
.005"
.0005"
.001"
.0015"
1.3 oz.-in.
0.9 oz.-in.
7601
7603
25 lb.-in.
N/A
0.002"
0.001"
STANDARD RESISTANCE VALUES, OHMS
Total
Resistance
1K
5K
10K
20K
50K
100K
Theoretical
Resolution
(% Nominal)
0.019
0.011
0.012
0.009
0.007
0.006
Tempco
of Wire
±20 ppm/°C
±20 ppm/°C
±20 ppm/°C
±20 ppm/°C
±20 ppm/°C
±20 ppm/°C
2-116
Model 7600 Series
OUTLINE DIMENSIONS (Inch/mm)
Model 7601
Bushing Mount
2.719±.031
69.06±0.79
2.219±.031
56.36±0.79
Slider
CCW
CW
Mounting Surface
.812±.031
20.6±0.79
+.0000
-.0003
Dia.
+0.0000
6.3424
-0.0076
.2497
60°
Max.
1.203
R. Max.
30.56
2
1.812±.016
Dia.
46.03±0.41
.405±.001
Dia.
10.3±0.03
+.000
-.010
+0.00
1.58
-0.25
.062
.312±.016
7.93±0.41
OUTLINE DIMENSIONS (Inch/mm)
Chamfer
.013/0.41 Max. x 45°
3
.562±.016
14.3±0.41
/
8
-32 UNEF Thread
Locating Hole
.129±.005/3.277
±
0.127 Dia.
x .094±.016/2.388±0.406
Positioned as shown.
Model 7603
Servo Mount
2.625±.031
66.68±0.79
2.125±.031
53.98±0.79
Slider
CW
CCW
Mounting Surface
.625±.031
15.9±0.79
+.0000
-.0003
+0.0000
6.3424
-0.0076
.2497
60°
Max.
1.203
R. Max.
30.56
1.812±.016
Dia.
46.03±0.41
.093±.005
2.36±0.13
Chamfer
.016/0.41 Max. x 45°
.062±.005
1.58±0.13
+.000
-.001
Dia.
+0.00
47.63
-0.03
1.875
+.005
-.010
Dia.
+0.13
50.80
-0.25
2.000
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
2-117
Model 7600 Series
SPECIAL FEATURES
Center Tap
Linearity Tape
Rear Shaft Extension
Flatted Shaft
Slotted Shaft
Shaft Lock (7601 only)
ORDERING INFORMATION
CT
LT
RS
FS
SS
SL
7601 R 10K L.15 XX
Model Series
Resistance Prefix
Resistance Value
Optional Special
Feature Code
Linearity
MATCHING TURNS COUNTING DIALS
7601: 2606, 2607, 2626, 2627, 2646, 2647, 2126, 2606S, 2607S, 2646S, 2647S, 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
2-118
Model 7600 Series
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