Model 202
Vishay Spectrol
1
3
/
4
" (44.5 mm) Single Turn Wirewound
Precision Potentiometer
FEATURES
•
Large range of ohmic values: 5
Ω
to 65 kΩ
•
Screw, servo or bushing mount types available
•
Up to 6 sections on the same shaft
•
Extra taps upon request
RoHS
COMPLIANT
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Tolerance: 50
Ω
and above
Below 50
Ω
Absolute Minimum Resistance
End Voltage
Linearity (Independent)
5
Ω
to 50
Ω
50
Ω
to 500
Ω
500
Ω
to 2 kΩ
2 kΩ 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
Ω
to 50 kΩ
±3%
±5%
SPECIAL
65 kΩ
±1%
±3%
Linearity x total resistance or 0.5
Ω,
whichever is greater
Linearity x total applied voltage for total resistance above
20
Ω,
2.0 % of total applied voltage for 20
Ω
and below
STANDARD
± 1.00 %
± 0.50 %
± 0.25 %
± 0.25 %
100
Ω
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 MΩ 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 %
ORDERING INFORMATION/DESCRIPTION
202
MODEL
C
MOUNTING TYPE
B:
Bushing
S:
Servo
C:
Screw
1
NUMBER OF SECTIONS
From 1 up to 6 (Max.)
50K
OHMIC VALUE
BO1
PACKAGING
Box of 1 piece
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.
SAP PART NUMBERING GUIDELINES
202
MODEL
S
MOUNTING TYPE
Servo
1
NUMBER OF SECTIONS
503
OHMIC VALUE
503 = 50K
B01
PACKAGING
Box of 1 piece
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100
For technical questions, contact: sfer@vishay.com
Document Number: 57052
Revision: 20-Jun-07
Model 202
1
3
/
4
" (44.5 mm) Single Turn Wirewound
Precision Potentiometer
DIMENSIONS
in inches (millimeters)
SCREW MOUNT: 202C
1
Vishay Spectrol
0.800
(20.32)
± 0.010
3
0.625
(15.88)
± 0.031
16°, 20°
TYP.
+ 0.000
MTG.
- 0.0005
+ 0.000
1
2
0.062
(1.57)
0.312 MIN.
(7.92)
Ø 0.7500
(19.05)
Ø 0.2497
- 0.0003
(6.34)
45°
± 0.015
± 5°
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
± 0.010
BUSHING MOUNT: 202B
± 0.031
± 0.010
± 0.031
1
0.831
(21.11)
0.625
(15.88)
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°
ADD 0.500 ± 0.002 FOR EACH ADDITIONAL SECTION
(12.70)
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
Document Number: 57052
Revision: 20-Jun-07
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)
SERVO AND SCREW
BUSHING
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.003" (0.08 cm)
0.005" (0.13 cm)
0.005" (0.13 cm)
0.005" (0.13 cm)
0.002" (0.05 cm)
0.003" (0.08 cm)
1.0 g - cm
2
per section maximum
3.0 oz. (85.05 g)
1.0 oz. (28.35 g)
For technical questions, contact: sfer@vishay.com
www.vishay.com
101
Model 202
Vishay Spectrol
1
3
/
4
" (44.5 mm) Single Turn Wirewound
Precision Potentiometer
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
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
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
Load Life
Operating Temperature Range
POWER RATING CHART
(Ratings for cup No.1.
Additional cups 75 % of values shown)
RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE
VALUES
(Ω)
5
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
CURRENT
AT 70 °C
AMBIENT
(mA)
835
591
418
264
187
133
83.4
59.1
41.8
26.4
18.7
13.2
8.37
MAXIMUM
VOLTAGE
ACROSS
COIL
(V)
4.19
5.92
8.37
13.3
18.7
26.3
42.0
59.2
83.7
133
187
265
422
TEMP.
COEF.
(ppm/°C)
800
800
800
20
20
20
20
20
20
20
20
20
20
RATED POWER IN W
8
10
20
50
SPECIAL 150 °C
6
100
200
500
4
STANDARD 125 °C
2
1K
2K
5K
0
20
40
60
80
100
120
140
160
10K
20K
50K
AMBIENT TEMPERATURE IN °C
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102
For technical questions, contact: sfer@vishay.com
Document Number: 57052
Revision: 20-Jun-07
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
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 herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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