VISHAY 028-1-11

Model 28
www.vishay.com
Vishay Spectrol
28 mm Diameter Twenty-One Turn Dial
FEATURES
• Laser machined markings (e.g. logo) per
customer design
RoHS
• Shaft bore variations available
COMPLIANT
• Special mounting spacers
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
MECHANICAL SPECIFICATIONS
QUICK REFERENCE DATA
Sensor type
Market appliance
PARAMETER
DIALS
Industrial
Dimensions
28 mm diameter
TECHNICAL SPECIFICATIONS
Readout and operation
21 turns total
The number in the window (0 thru 20)
indicates the percent of a partial turn
of the drive sleeve
- 20 °C to + 50 °C
Operating torque
0.75 oz. - in max.
Weight
23 g
Housing
Metal housing treated
against corrosion
Finish
Aluminum anodized
Precision ball bearing for
uniform movement
Bearing
Metal brake operates a
high torque system which actuates
brake
Brake lever
Temperature range
MARKING
Manufacturer’s name
and model number
Unit identification
DIMENSIONS in millimeters (inches)
MAX. 24.3 mm
MIN. 16.5 mm
PANEL
BLACK ANODISED ROTOR
25.4 mm. (1.0")
Ø 6.35 mm
(0.250")
Ø MAX.
16.0 mm
POTS
Ø 28.0 mm
(1.10")
MAX. 6.75 mm
MOUNTING SPACER
ANODISED ALUMINUM FINISH
ORDERING INFORMATION/DESCRIPTION
28
MODEL
A
11
SHAFT DIAMETER
FINISH
A 1/4" dia. shaft - 1 set screw
B 6 mm metric bore - 1 set screw
C 1/8" dia. shaft - 1 set screw
11. Clear satin anodized housing,
black rotor, white markings
21. Black anodized housing,
black rotor, white markings
BO8
e
PACKAGING
LEAD
FINISH
Example: 28 - A - 11
SAP PART NUMBERING GUIDELINES
28
A
11
B08
MODEL
SHAFT DIAMETER
FINISH
PACKAGING
Revision: 10-Jul-12
Document Number: 57082
1
For technical questions, contact: [email protected]
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.
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.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000