Model 702
www.vishay.com
Vishay Spectrol
Revision: 29-Nov-17
1
Document Number: 57069
For technical questions, contact: sferprecisionpot@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
7
/
8
" (22.2 mm) Single Turn Wirewound
(Precision Potentiometer)
FEATURES
• Large range of ohmic values: From 5 up to
100 k
• Bushing mount or servo mount types are
available
• Extra taps upon request
• Gangable up to 6 sections
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
QUICK REFERENCE DATA
Sensor type ROTATIONAL, single turn wirewound
Output type Output by turrets
Market appliance Professional
Dimensions
7
/
8
" (22.2 mm)
ELECTRICAL SPECIFICATIONS
PARAMETER
Total resistance: (bushing 91 k max.)
Tolerance:
20 and above
Below 20
STANDARD
5 to 20 k
± 3 %
± 5 %
SPECIAL
to 30 k
± 1 %
± 3 %
Absolute minimum resistance Linearity x total resistance or 0.5 whichever is greater
End voltage
Linearity x total applied voltage for total resistance above 20 , 2.0 % of total applied voltage
for 20 and below
Linearity (independent)
5 to 100
100 to 500
500 to 5 k
5 k and above
STANDARD
± 1.0 %
± 1.0 %
± 0.5 %
± 0.5 %
BEST PRACTICAL
± 0.75 %
± 0.50 %
± 0.35 %
± 0.25 %
Noise 100 ENR
Electrical angle 350° ± 2°
Power rating
Section 1
Additional sections
1.25 W at 70 °C ambient derated to zero at 125 °C
75 % of the rating of section 1 (0.94 W at 70 °C)
Insulation resistance 1000 M minimum, 500 V
DC
Dielectric strength 1000 V
RMS
, 60 Hz
Taps (extra) 9 available as special, standard tolerance ± 2°
Phasing (CCW end points) Additional sections phased to section 1 within ± 1°
ORDERING INFORMATION
702S1203203XXXX
MODEL STYLE GANGS
OHMIC VALUE
GANGS N
o
1
OHMIC VALUE
GANGS N
o
2
SPECIAL
REQUEST
702 B: bushing
S: servo
1
2
3
4
5
6
470 = 47
222 = 2.200
103 = 10 k
For ohmic value range
see electrical specification
470 = 47
222 = 2.200
103 = 10 k
For ohmic value range
see electrical specification
Custom reference
PART NUMBER DESCRIPTION (for information only)
702- 2 1 203 203 XXXX
MODEL STYLE GANGS
OHMIC VALUE
GANGS N
o
1
OHMIC VALUE
GANGS N
o
2
SPECIAL
B = 1
S = 2
Model 702
www.vishay.com
Vishay Spectrol
Revision: 29-Nov-17
2
Document Number: 57069
For technical questions, contact: sferprecisionpot@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
DIMENSIONS in inches (millimeters)
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation 360° continuous
Bearing type
SERVO
Ball bearing
BUSHING
Sleeve bearing
Ganging 6 sections maximum Terminal alignment, added sections within ± 10° of section 1 terminals
Torque (maximum)
Servo section 1
Bushing section 1
Each additional section
STARTING
0.10 oz. - in (7.20 g - cm)
0.25 oz. - in (18.00 g - cm)
0.10 oz. - in (7.20 g - cm)
RUNNING
0.085 oz. - in (6.12 g - cm)
0.20 oz. - in (14.40 g - cm)
0.075 oz. - in (5.40 g - cm)
Mechanical runouts (maximums):
Shaft runout (TIR/In)
Pilot dia. runout (TIR)
Lateral runout (TIR)
Shaft end play
Shaft radial play
SERVO
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.002" (0.05 cm)
BUSHING
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.005" (0.13 cm)
0.004" (0.10 cm)
Moment of inertia 0.12 g - cm
2
per section maximum
Weight:
Single section
Each additional section
0.6 oz. (17.01 g)
0.2 oz. (5.67 g)
± 0.010
0.687
(17.45)
0.500
(12.70)
± 0.031
0.250
(6.35)
0.062
(1.57)
Ø 0.4062 MTG.
(10.32)
+ 0.0000
- 0.0010
Ø 0.1248
(3.17)
+ 0.0000
- 0.0003
Ø 0.875
(22.22)
± 0.015
3
/
8
- 32 UNEF - 2A
MTG. FACE
0.308 MIN. TYP
(7.82)
30°
TYP.
1
3
2
R 0.640
(16.26)
MAX.
Ø 0.875
(22.22)
Ø 0.7500
(19.05)
+ 0.0000
- 0.0005
Ø 0.1248
(3.17)
+ 0.0000
- 0.0003
MTG. FACE
Ø 0.750
MAX.
(19.05)
0.875
(22.22)
± 0.015
0.687
(17.45)
± 0.010
0.500
(12.70)
± 0.031
0.062
(1.57)
1
ADD 0.500 (12.70) ± 0.002 FOR EACH
ADDITIONAL SECTION
TOLERANCES: UNLESS OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2°
SCHEMATIC
CW
2
3
1
SERVO MOUNT: 702S/702-2
BUSHING MOUNT: 702B/702-1
1
1
0.062
(1.57)
0.062
(1.57)