Model 202
www.vishay.com
Vishay Spectrol
1
3
/
4
" (44.5 mm) Single Turn Wirewound
Precision Potentiometer
FEATURES
• Large range of ohmic values: 5
to 65 k
• Screw, servo or bushing mount types available
• Up to 6 sections on the same shaft
• Extra taps upon request
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
QUICK REFERENCE DATA
Sensor type
Output type
Market appliance
Dimensions
ROTATIONAL, single turn wirewound
Output by turrets
Professional
1 ¾" (44.5 mm)
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Tolerance: 50
and above
Below 50
Absolute Minimum Resistance
End Voltage
Linearity (independent)
5
to 50
50
to 500
500
to 2 k
2 k and above
Noise
Electrical Angle
Power Rating:
Section 1: 3.5 W
Additional Sections
Insulation Resistance
Dielectric Strength
Taps (extra)
Phasing (CCW end points)
STANDARD
5
to 50 k
±3%
±5%
SPECIAL
65 k
±1%
±3%
Linearity x total resistance or 0.5
,
whichever is greater
Linearity x total applied voltage for total resistance above
20
,
2.0 % of total applied voltage for 20
and below
STANDARD
± 1.00 %
± 0.50 %
± 0.25 %
± 0.25 %
100
ENR
350° ± 2°
70 °C ambient derated to zero at 125 °C
75 % of the rating of section 1 (2.6 W at 70 °C)
1000 M minimum, 500 V
DC
1000 V
RMS
, 60 Hz
From 1 up to 19 (max.)
Additional sections phased to section 1 within ± 1°
BEST PRACTICAL
± 0.50 %
± 0.35 %
± 0.20 %
± 0.15 %
Revision: 27-Mar-15
Document Number: 57052
1
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
Model 202
www.vishay.com
Vishay Spectrol
ORDERING INFORMATION
2
0
2
B
2
5
0
3
2
0
3
MODEL
202
STYLE
B:
bushing
S:
servo
C:
screw
GANGS
1
2
3
OHMIC VALUE
GANGS N
o
1
470
= 47
222
= 2.200
103
= 10 k
For ohmic value
range see electrical
specification
OHMIC VALUE
GANGS N
o
2
470
= 47
222
= 2.200
103
= 10 k
For ohmic value
range see electrical
specification
SPECIAL REQUEST
xxxx
PART NUMBER DESCRIPTION
(for information only)
202-
MODEL
1
STYLE
B:
1
S:
2
C:
3
1
GANGS
503
OHMIC VALUE
GANGS N
o
1
203
OHMIC VALUE
GANGS N
o
2
xxxx
SPECIAL
DIMENSIONS
in inches (millimeters)
1
0.800
(20.32)
± 0.010
SCREW MOUNT: 202C/202-3
0.625
(15.88)
± 0.031
3
1
2
16°, 20°
TYP.
+ 0.000
0.062
(1.57)
0.312 MIN.
(7.92)
Ø 0.7500 MTG.
- 0.0005
(19.05)
Ø 0.2497
- 0.0003
(6.34)
45°
± 0.015
± 5°
+ 0.000
1.075 R
(27.30)
MAX.
Ø 1.750
(44.45)
6.32 UNC-2BX 187 ± 0.015 DEEP
(4.75) 2 PLACES ON 1.000 Ø B.C.
(25.40)
1.015
(25.75)
MAX.
MTG. FACE
SERVO MOUNT: 202S/202-2
± 0.010
BUSHING MOUNT: 202B/202-1
± 0.010
± 0.031
1
0.831
(21.11)
0.625
(15.88)
± 0.031
1
0.705
(17.91)
± 0.015
0.875
(22.22)
+ 0.0000
0.340 MIN.
(8.64)
0.073 MIN.
(1.85)
0.093
(2.36)
0.062
(1.57)
0.375
(9.52)
0.239 MIN.
(6.07)
+ 0.0000
- 0.0005
0.062
(1.57)
Ø 0.2497
- 0.0003
(6.34)
Ø 0.4062
- 0.0010
MGT.
(10.32)
+ 0.0000
± 0.015
Ø 1.750
(44.45)
Ø 1.5620
MTG.
(39.67) Ø 1.750
± 0.015
(44.45)
1
± 0.015
Ø 1.750
(44.45)
2
CW
3
Ø 1.562
MAX.
(39.67)
MTG. FACE
Ø
(6.34)
+ 0.0000
0.2497
- 0.0003
SCHEMATIC
MTG. FACE
1
3
/ -
8
32 UNEF-2A
TOLERANCES: UNLESS OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2°
Revision: 27-Mar-15
ADD 0.500 ± 0.002 FOR EACH ADDITIONAL SECTION
(12.70)
Document Number: 57052
2
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
Model 202
www.vishay.com
Vishay Spectrol
MECHANICAL SPECIFICATIONS
PARAMETER
Mechanical Rotation
Bearing Type
Ganging
Torque (maximums)
1 Section Servo and Screw Types
Bushing, 1 Section
Each Additional Section
Mechanical Runouts (maximums):
Shaft Runout (TIR/in)
Pilot Dia. Runout (TIR)
Lateral Runout (TIR)
Shaft End Play
Shaft Radial Play
Moment of Inertia
Weight (maximums):
Single Section
Each Additional Section
360° (continuous)
Screw and servo mount: Ball bearing
Bushing mount: Sleeve bearing
6 sections maximum, terminal alignment, added sections,
within ± 10° of section 1 terminals
RUNNING
STARTING
0.4 oz. - in (28.80 g - cm)
0.7 oz. - in (50.40 g - cm)
0.7 oz. - in (50.40 g - cm)
1.0 oz. - in (72.00 g - cm)
0.3 oz. - in (21.60 g - cm)
0.4 oz. - in (28.80 g - cm)
BUSHING
SERVO AND SCREW
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.003" (0.08 cm)
0.005" (0.13 cm)
0.005" (0.13 cm)
0.003" (0.08 cm)
0.002" (0.05 cm)
1.0 g - cm
2
per section maximum
3.0 oz. (85.05 g)
1.0 oz. (28.35 g)
MATERIAL SPECIFICATIONS
Housing and Lids
Shaft And Clamp Rings
Terminals
Bushing Mount Hardware
Lockwasher Internal Tooth:
Panel Nut:
Aluminum, anodized
Stainless steel, non-magnetic
non-passivated
Brass, plated for solderability
Steel, nickel plated
Brass, nickel plated
ENVIRONMENTAL SPECIFICATIONS
Vibration
Shock
Salt Spray
Rotational Life
15
g
thru 2000 Hz
50
g
96 h
1 million shaft revolutions
900 h
-55 °C to +125 °C
MARKING
Unit
Identification
Units shall be marked with Vishay Spectrol
name, model number and data code on each
section, resistance, resistance tolerance,
linearity and terminal identification.
Example of a marking for a standard part:
202-22103 102
Load Life
Operating Temperature Range
POWER RATING CHART
(Ratings for cup No. 1.
Additional cups 75 % of values shown)
Note
• Nothing stated herein shall be construed as a guarantee of
quality or durability.
RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE
VALUES
()
RESO-
LUTION
(%)
0.320
0.240
0.190
0.212
0.181
0.150
0.115
0.103
0.094
0.068
0.059
0.048
0.044
OHMS
PER
TURN
0.016
0.024
0.038
0.106
0.181
0.300
0.575
1.03
1.89
3.42
5.91
9.52
22.0
MAXIMUM MAXIMUM
CURRENT VOLTAGE
TEMP.
AT 70 °C
ACROSS
COEF.
AMBIENT
COIL
(ppm/°C)
(mA)
(V)
835
591
418
264
187
133
83.4
59.1
41.8
26.4
18.7
13.2
8.37
4.19
5.92
8.37
13.3
18.7
26.3
42.0
59.2
83.7
133
187
265
422
800
800
800
20
20
20
20
20
20
20
20
20
20
RATED POWER IN W
8
5
10
20
SPECIAL 150 °C
6
50
100
200
4
STANDARD 125 °C
2
500
1K
2K
0
20
40
60
80
100
120
140
160
5K
10K
20K
50K
AMBIENT TEMPERATURE IN °C
Revision: 27-Mar-15
Document Number: 57052
3
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
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.
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.
Revision: 13-Jun-16
1
Document Number: 91000
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