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7
/8" (22.2 mm) Conductive Plastic
Potentiometer, Bushing Mount Type
FEATURES
7/8" diameter single turn
Compact size, advanced design technology
Offer a cost effective solution to your
potentiometer requirements
Suitable model for all industrial applications
Compliant to RoHS Directive 2002/95/EC
ELECTRICAL SPECIFICATIONS
PARAMETER
Resistance Standard range, 1 k to 50 k
Tolerance
Linearity (Independent)
Output Smoothness 0.1 % maximum
TCR ± 600 ppm/°C maximum
Power Rating 1.0 W at 70 °C derated to 0 W at 125 °C
Electrical Travel 340° ± 3°
End Voltage 0.5 % maximum
Dielectric Withstanding Voltage 1000 V
Insulation Resistance 1000 M, 500 V
STANDARD
± 20 %
STANDARD
± 2.0 %
RMS
, 60 Hz
DC
SPECIAL TO
Model 357
Vishay Spectrol
± 10 %
SPECIAL
± 1.0 %
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation 360° continuous (optional mechanical stops 340° ± 3°)
Mounting 3/8 - 32 UNEF - 2A
Operating Torque Maximum Starting and running 3.68 mNm (0.5 oz. - in)
Shaft Tolerance Maximum
Runout 0.13 mm (0.005")
End Play 0.25 mm (0.010")
Radial Play 0.13 mm (0.005")
Weight 17.5 g (0.62 oz.)
ORDERING INFORMATION/DESCRIPTION
357 B 0 10K 20 % A BO50 0 P 22 e4
MODEL STYLE FEATURES
Bushing 0
Non turn pin and
continuous rotation
No non turn pin and
1
continuous rotation
Non turn pin, with
2
stops on rotation
No non turn pin
3
with stops on
rotation
OHMIC
VALUE
From 1K
to 50 K
TOLERANCE
ON OHMIC VALUE
± 10 %
or
± 20 %
LINEARITY PACKAGING SHAFT TYPE LEAD
Box of 50
pieces
X: ± 2 %
A: ± 1 %
Shaft diameter
0 = 6.0 mm or
1 = 6.35 mm (1/4")
Shaft type
P = Plain
S = Slotted FMF
(from Mounting
face)
Range from
12 mm to 75 mm in
1 mm increments
Finish
SAP PART NUMBERING GUIDELINES
357B 2 203 M X B25 1S22
MODEL FEATURES OHMIC VALUE
203 = 20K M: ± 20 %/K: ± 10 % X: ± 2 % Box of 50 pieces
Document Number: 57059 For technical questions, contact: sfer@vishay.com
Revision: 24-Feb-11 21
TOLERANCE
ON OHMIC VALUE
LINEARITY PACKAGING SHAFT TYPE
www.vishay.com
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Model 357
7.92 ± 0.2
Ø 6.35 mm SHAFT VERSION
Ø 6.0 mm SHAFT VARIATION: METRIC
TOLERANCES: LINEAR ± 0.50
ANGULAR ± 2°
SIGNAL
SCHEMATIC
2
3
1
Ø 1.57 ± 0.1
90°
3
1
2
R 4.5
IDENTIFICATION LABEL
10.3
Ø 6
0
- 0.05
Ø 6.345
0
- 0.05
3/8-32 UNEF-2A
1.57
0.64 ± 0.2
22
8.8
1.5
9.4
3 x 3.2
Vishay Spectrol
DIMENSIONS in millimeters
7
/8" (22.2 mm) Conductive Plastic
Potentiometer, Bushing Mount Type
ENVIRONMENTAL SPECIFICATIONS
Vibration 15 g, 10 Hz to 2000 Hz
Shock 50 g
Load Life 1000 h
Storage Temperature Range - 55 °C to + 125 °C
Life 5 000 000 shaft revolutions
MARKING
Unit
Indentification
Manufacturer’s name and model number,
resistance value and tolerance, linearity
specification date code and terminal
identification
Materials
Housing Thermoplastic housing
Bushing Brass, nickel plated
Rear Lid Alumina
Shaft Stainless steel
RESISTANCE VALUE
Terminals Turret type, solder plated
Bushing Mount Hardware
Lockwasher Internal Tooth Steel, nickel plated
Panel Nut Brass nickel plated
www.vishay.com For technical questions, contact: sfer@vishay.com
22 Revision: 24-Feb-11
Ohms 1K, 2K, 5K, 10K, 20K, 50K
Document Number: 57059
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Legal Disclaimer Notice
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.
Document Number: 91000 www.vishay.com
Revision: 11-Mar-11 1
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