Model 830
Vishay Spectrol
1
13
/
16
" (46 mm) Three Turn Wirewound
Bushing Mount
FEATURES
•
Gangable up to 2 sections
•
Large range of ohmic values: 15
Ω
to 50 kΩ
•
Extra taps available upon request
•
Ideally suits for all industry applications
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Standard Range
Tolerance:
200
Ω
and Above
Below 200
Ω
Linearity (Independent)
15
Ω
to 1 kΩ
1 kΩ to 5 kΩ
5 kΩ to 25 kΩ
25 kΩ and Above
Noise
Electrical Rotation
Power Rating
Insulation Resistance
Dielectric Strength
Absolute Minimum Resistance
End Voltage
Phasing
Taps (Extra)
15
Ω
to 50 kΩ
STANDARD
±3%
±5%
± 0.25 % standard
± 0.15 %
± 0.10 %
± 0.075 %
± 0.05 %
100
Ω
ENR
1080° + 4° - 0°
3.0 W at 40 °C derated to zero at 125 °C
1000 MΩ minimum 500 V
DC
1000 V
RMS
, 60 Hz
Not to exceed linearity x total resistance or 1
Ω,
whichever is greater
0.5 % of total applied voltage maximum
CCW end points sect. 2 phased to sect 1 within 1°
Available as special standard tolerance ± 1°
MODEL 830
SPECIAL
to 150 kΩ
SPECIAL
±1%
±3%
ORDERING INFORMATION/DESCRIPTION
Model 830 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
MODEL
B
BUSHING MOUNT
1
NUMBER OF SECTIONS
From 1 up to 2 sections
(maximum)
20K
RESISTANCE OF EACH SECTION
Beginning with the section nearest
the mounting end
BO10
PACKAGING
Box of 10 pieces
SAP PART NUMBERING GUIDELINES
830
MODEL
B
STYLE
1
NUMBER OF SECTIONS
203
OHMIC VALUE OF SECTION N
O
1
B10
PACKAGING
Document Number: 57073
Revision: 23-Mar-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
135
Model 830
Vishay Spectrol
1
13
/
16
" (46 mm) Three Turn Wirewound
Bushing Mount
MODEL
830
1
± 0.015
DIMENSIONS
in inches (millimeters)
MTG. FACE
1.218
(30.94)
0.250
MIN.
(6.35)
0.062
(1.57)
0.010
(0.25)
1 3
2
0.812
(20.62)
± 0.031
± 0.015
0.312
(7.92)
0.030
MAX.
(0.76)
3
/
± 0.015
0.218
(5.54)
8
- 32 UNEF - 2A
± 0.015
1.812
(46.02)
0.562
(14.27)
0.062
(1.57)
Ø 0.2497
- 0.0003
(6.34)
Ø 0.4062
(10.32)
+ 0.0000
+ 0.0000
MTG.
- 0.0020
Ø 0.125
(3.18)
2
1
CW
3
1
ADD 1.010 ± 0.010 (25.65) FOR 2 GANG UNIT
SCHEMATIC
TOLERANCES: OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2°
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
STARTING
1.75 oz. - in (126.02 g - cm)
2.55 oz. - in (183.62 g - cm)
1080° + 4° - 0°
Sleeve bearing
RUNNING
1.26 oz. - in (90.01 g - cm)
1.85 oz. - in (133.21 g - cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.002" min. 0.010" max. (0.05 - 0.25 cm)
0.003" max. (0.08 cm)
3.0 oz. (85.05 g)
2.5 oz. (70.80 g)
750 oz. - in (static) (54.01 kg - cm)
2 sections maximum ears of clamp band between
sections positioned 45°, ± 10° CCW from
terminal center line
5.5 g - cm
2
maximum
Ganging
Moment Inertia
www.vishay.com
136
For technical questions, contact: sfer@vishay.com
Document Number: 57073
Revision: 23-Mar-07
Model 830
1
13
/
16
" (46 mm) Three Turn Wirewound
Bushing Mount
MATERIAL SPECIFICATIONS
Bushing
Housing and Front Lid
Rear Lid
Shaft
Terminals
Mounting Hardware
Lockwasher:
Panel Nut:
Aluminum, nickel plated
Molded glass filled thermoset
plastic
Molded glass filled nylon
Stainless steel, non magnetic,
non-passivated
Brass, plated for solderability
Internal tooth steel, nickel plated
Brass, nickel plated
Vishay Spectrol
ENVIRONMENTAL SPECIFICATIONS
Vibration
Shock
Rotational Life
Load Life
Temperature Range
Salt Spray
10 g thru 500 CPS
50 g
500 000 shaft revolution
900 h
- 55 °C to + 125 °C
48 h
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
(W)
(%)
20
50
100
200
500
1K
2K
5K
10K
20K
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
OHMS
PER
TURN
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
MAXIMUM MAXIMUM
WIRE
CURRENT VOLTAGE
TEMP.
AT 70 °C ACROSS
COEF.
AMBIENT
COIL
(ppm/°C)
(mA)
(V)
387
245
173
122
77
55
39
24
17
12
8
5
4
8
12
17
25
39
55
77
125
176
250
375
600
750
800
800
180
20
20
20
20
20
20
20
20
20
20
10
RATED POWER IN W
8
6
4
2
0
0
20
40
60
80
100
120
140
50K
100K
150K
AMBIENT TEMPERATURE IN °C
Document Number: 57073
Revision: 23-Mar-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
137
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
1
Document Number: 91000
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