Model 830, 860
Vishay Spectrol
1 - 13/16 (46mm) Three and Ten Turn Wirewound
Precision Potentiometer
FEATURES
830: 15 to 50K , Three-Turn
860: 20 to 200K , Ten-Turn
ELECTRICAL SPECIFICATIONS
PARAMETER MODEL 830 MODEL 860
Total Resistance
Standard Range 15 to 50K 20 to 200K
Special to 150K Special to 500K
Tolerance: STANDARD SPECIAL
200 and above 3% 1%
Below 200 5% 3%
Linearity (Independent) 0.25% standard
15 to 1K 0.15%
1K to 5K 0.10%
5K to 25K 0.075%
25K and above 0.05%
20 to 50 0.15%
50 to 200 0.10%
200 to 5K 0.05%
5K and above 0.025%
Noise 100 ENR for both models
Rotation 1080 + 4 - 0 3600 + 4 - 0
Power Rating 3.0 watts at 40C 8.0 watts at 40C
derated to zero at 125C derated to zero at 125C
Insulation Resistance 1000M minimum 500VDC
Dielectric Strength 1000V , 60Hz
RMS
Absolute Minimum Resistance Not to exceed linearity x total resistance or 1 ,
whichever is greater
End Voltage 0.5% of total applied voltage maximum
Phasing CCW End Points sect. 2 phased to
sect 1 within 1
Taps (Extra) 42 available as special 108 available as special
standard tolerance 1 standard tolerance 1
ORDERING INFORMATION
Models 830 and 860 can be ordered from this data sheet with a variety of alternate characteristics, as shown. For most rapid service on
your order, please state:
830, 860 1 1 XXX
MODEL BUSHING MOUNT NUMBER OF SECTIONS RESISTANCE OF EACH
SECTION
Beginning with the section nearest
the mounting end
Other characteristics will be standard as described on this data sheet. If special characteristics are required, such as: special linearity
tolerance, special resistance tolerance, extra taps, non-linear functions, etc., please state these on your order and allow additional lead
time for delivery.
For technical questions, contact [email protected]
www.vishay.com Document Number: 57073
110 Revision 16-Jul-03Model 830, 860
1 - 13/16 (46mm) Three and Ten Turn Wirewound Vishay Spectrol
Precision Potentiometer
DIMENSIONS in inches (millimeters)
MODEL 830
MODEL 860
MTG. FACE
MTG. FACE
1
0.015
2
0.015
1.218 0.031
0.031
2.000 0.812
(30.94)
0.812
(50.80) (20.62)
(20.62)
0.250
0.250 MIN
0.015
MIN 0.015
(6.35)
0.312
0.312
(6.35)
(7.92)
(7.92)
0.062 0.062
(1.57) (1.57)
0.030
0.030 MAX
0.015
MAX
0.010
(0.76)
0.010
(0.76) 0.218
(0.25)
(0.25)
(5.54)
2 1 3
21
3
3/8 - 32 UNEF - 2A
3/8 - 32 UNEF - 2A
0.015
0.015
1.812
1.812
(46.02)
(46.02)
0.562
(14.27)
+ 0.0000
+ 0.0000
0.062
0.062
- 0.0003
- 0.0003
(1.57)
0.2497 (1.57)
0.2497
0.125
(6.34)
(6.34)
+ 0.0000 (3.18)
+ 0.0000
- 0.0020 2
- 0.0020
0.4062 MTG.
CW
0.4062 MTG.
(10.32)
0.010
(10.32)
1 3
1
ADD 1.010 (25.65) FOR 2 GANG UNIT
SCHEMATIC
0.010
TOLERANCES: OTHERWISE NOTED
2 ADD 1.787 (45.39) FOR 2 GANG UNIT
DECIMALS 0.005 ANGLES 2
MECHANICAL SPECIFICATIONS
PARAMETER 830 860
Rotation 1080 + 4 - 0 3600 + 4 - 0
Bearing Type Sleeve Bearing
Torque (maximums): Starting STARTING RUNNING
Section 1 1.75 oz - in(126,02gm - cm) 1.26 oz - in (90.01gm - cm)
Section 2 2.55 oz - in(183,62gm - cm) 1.85 oz - in (133,21gm - cm)
Runouts (Maximums)
Shaft(TIR) 0.002 in (0.05cm)
Pilot Dia (TIR) 0.002 in (0.05cm)
Lateral (TIR) 0.005 in (0.13cm)
Shaft End Play 0.002 in min 0.010 in Maximum (0.05 - 0.25cm)
Shaft Radial Play 0.003 in Maximum (0.08cm)
Weight (maximums)
Single Section 3.0 oz (85.05gm) 4.5 oz (127.58gm)
Additional Section 2.5 oz (70.80gm) 4.0 oz (113.40gm)
Stop Strength 750 oz - in (static) (54.01Kgm - cm)
Ganging 2 sections maximum ears of clamp band between
sections positioned 45, 10 CCW from
terminal center line
2 2
Moment Inertia 5.5gm - cm Maximum 15.0gm - cm Maximum
For technical questions, contact [email protected]
Document Number: 57073 www.vishay.com
Revision 16-Jul-03 111