Model 830, 860
Vishay Spectrol
1 - 13/16” (46mm) Three and Ten Turn Wirewound
Precision Potentiometer
FEATURES
• 830: 15Ω to 50KΩ, Three-Turn
• 860: 20Ω to 200KΩ, Ten-Turn
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Standard Range
Tolerance:
200Ω and above
Below 200Ω
Linearity (Independent)
15Ω to 1KΩ
1KΩ to 5KΩ
5KΩ to 25KΩ
25KΩ and above
20Ω to 50Ω
50Ω to 200Ω
200Ω to 5KΩ
5KΩ and above
Noise
Rotation
Power Rating
Insulation Resistance
Dielectric Strength
Absolute Minimum Resistance
End Voltage
Phasing
Taps (Extra)
±
0.15%
±
0.10%
±
0.075%
±
0.05%
–
–
–
–
100Ω ENR for both models
1080° + 4° - 0°
3.0 watts at 40°C
derated to zero at 125°C
1000V
RMS
, 60Hz
Not to exceed linearity x total resistance or 1Ω,
whichever is greater
0.5% of total applied voltage maximum
CCW End Points sect. 2 phased to
sect 1 within 1°
42 available as special
standard tolerance
±
1°
108 available as special
standard tolerance
±
1°
3600° + 4° - 0°
8.0 watts at 40°C
derated to zero at 125°C
MODEL 830
15Ω to 50KΩ
Special to 150KΩ
STANDARD
±
3%
±
5%
±
0.25% standard
–
–
–
–
±
0.15%
±
0.10%
±
0.05%
±
0.025%
MODEL 860
20Ω to 200KΩ
Special to 500KΩ
SPECIAL
±
1%
±
3%
1000MΩ minimum 500VDC
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
MODEL
1
BUSHING MOUNT
1
NUMBER OF SECTIONS
XXX
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.
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110
For technical questions, contact sfer@vishay.com
Document Number: 57073
Revision 16-Jul-03
Model 830, 860
1 - 13/16” (46mm) Three and Ten Turn Wirewound
Precision Potentiometer
DIMENSIONS
in inches (millimeters)
Vishay Spectrol
MODEL 830
MTG. FACE
MODEL 860
1
±
0.015
1.218
(30.94)
0.250
MIN
(6.35)
0.062
(1.57)
0.010
(0.25)
1 3
±
0.031
0.812
(20.62)
2
±
0.015
2.000
(50.80)
0.250 MIN
(6.35)
0.062
(1.57)
MTG. FACE
±
0.031
0.812
(20.62)
±
0.015
0.312
(7.92)
0.030 MAX
(0.76)
±
0.015
0.312
(7.92)
0.030
MAX
(0.76)
3/8 - 32 UNEF - 2A
±
0.015
0.218
(5.54)
2
1
0.010
(0.25)
3
2
3/8 - 32 UNEF - 2A
±
0.015
1.812
(46.02)
0.562
(14.27)
±
0.015
1.812
(46.02)
0.062
(1.57)
±
0.010
1
+ 0.0000
- 0.0003
Ø 0.2497
(6.34)
+ 0.0000
- 0.0020
Ø 0.4062 MTG.
(10.32)
Ø 0.125
(3.18)
0.062
(1.57)
2
1
CW
3
+ 0.0000
- 0.0003
Ø 0.2497
(6.34)
+ 0.0000
- 0.0020
Ø 0.4062 MTG.
(10.32)
ADD 1.010 (25.65) FOR 2 GANG UNIT
±
0.010
SCHEMATIC
TOLERANCES: OTHERWISE NOTED
DECIMALS
±
0.005 ANGLES
±
2
°
2
ADD 1.787 (45.39) FOR 2 GANG UNIT
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
Bearing Type
Torque (maximums): Starting
Section 1
Section 2
Runouts (Maximums)
Shaft(TIR)
Pilot Dia (TIR)
Lateral (TIR)
Shaft End Play
Shaft Radial Play
Weight (maximums)
Single Section
Additional Section
Stop Strength
Ganging
830
1080° + 4° - 0°
Sleeve Bearing
STARTING
1.75 oz - in(126,02gm - cm)
2.55 oz - in(183,62gm - cm)
RUNNING
1.26 oz - in (90.01gm - cm)
1.85 oz - in (133,21gm - cm)
860
3600° + 4° - 0°
0.002 in (0.05cm)
0.002 in (0.05cm)
0.005 in (0.13cm)
0.002 in min 0.010 in Maximum (0.05 - 0.25cm)
0.003 in Maximum (0.08cm)
3.0 oz (85.05gm)
2.5 oz (70.80gm)
4.5 oz (127.58gm)
4.0 oz (113.40gm)
750 oz - in (static) (54.01Kgm - cm)
2 sections maximum ears of clamp band between
sections positioned 45°,
±
10° CCW from
terminal center line
5.5gm - cm
2
Maximum
15.0gm - cm
2
Maximum
Moment Inertia
Document Number: 57073
Revision 16-Jul-03
For technical questions, contact sfer@vishay.com
www.vishay.com
111
Model 830, 860
Vishay Spectrol
1 - 13/16” (46mm) Three and Ten Turn Wirewound
Precision Potentiometer
ENVIRONMENTAL SPECIFICATIONS
Vibration
Shock
Rotational Life
Load Life
Internal tooth Steel, nickel plated
Brass, nickel plated
Temperature Range
Moisture Resistant
Salt Spray
- 55°C to + 125°C
–
48 hours
10g thru 500 CPS
50g
500,000 shaft revolution
900 Hours
Aluminum, nickel plated
Molded glass filled thermoset
plastic
Molded glass filled nylon
Stainless steel, non magnetic,
non-passivated
Brass, plated for solderability
MATERIAL SPECIFICATIONS
Bushing
Housing and Front Lid
Rear Lid
Shaft
Terminals
Mounting Hardware
Lock washer:
Panel nut:
MARKING
Unit
Identification
Units will be marked with Spectrol name and
model no, resistance and resistance
tolerance, linearity, terminal identification,
and date code
POWER RATING CHART
12
RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE RESO-
VALUES
LUTION
(
Ω
)
(%)
MAXIMUM
CURRENT
AT 70
°
C
AMBIENT
(mA)
632
400
283
200
126
89
63
40
28
20
13
8.9
5.0
2.0
387
245
173
122
77
55
39
24
17
12
8
5
4
MAXIMUM
VOLTAGE
ACROSS
COIL
(V)
13
20
28
40
63
89
126
200
283
400
632
894
1,000
1,000
8
12
17
25
39
55
77
125
176
250
375
600
750
WIRE
TEMP.
COEF.
(ppm/
°
C)
800
800
800
180
20
20
110
20
20
20
20
20
20
20
800
800
180
20
110
110
20
20
20
20
20
20
20
10
OHMS
PER
TURN
0.009
0.014
0.024
0.056
0.115
0.182
0.402
0.754
1.23
1.97
3.69
6.51
9.63
20.0
0.019
0.037
0.071
0.145
0.320
0.500
0.948
1.73
2.92
4.80
8.31
14.5
20.0
RATED POWER IN (WATTS)
860
8
MODEL 860
20
50
100
200
500
1K
2K
5K
10K
20K
50K
100K
200K
500K
20
50
100
200
500
1K
2K
5K
10K
20K
50K
100K
150K
0.044
0.027
0.024
0.028
0.023
0.018
0.020
0.015
0.013
0.010
0.007
0.007
0.005
0.004
0.094
0.074
0.071
0.072
0.064
0.050
0.047
0.035
0.029
0.024
0.017
0.015
0.013
6
4
830
2
0
0
20
40
60
80
100
120
140
AMBIENT TEMPERATURE IN (
°
C)
MODEL 830
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112
For technical questions, contact sfer@vishay.com
Document Number: 57073
Revision 16-Jul-03
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
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1
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