电位器

Vishay Spectrol

1 13/16\" (46 mm) Three Turn WirewoundUpper Grade Precision Potentiometer

FEATURES

•Large range of ohmic values: 15 Ω to 50 kΩ

•Bushing mount, servo mount and srew mount version•Gangable up to 3 sections•Extra taps available upon request

ELECTRICAL SPECIFICATIONS

PARAMETER

Total Resistance

Tolerance: 100 Ω and AboveBelow 100 Ω

Linearity (Independent)15 Ω to 1 kΩ1 kΩ to 5 kΩ5 kΩ to 25 kΩ25 kΩ and AboveNoise

Electrical RotationPower RatingSection 1

Additional SectionsInsulation ResistanceDielectric Strength

Absolute Minimum, ResistanceEnd Voltage

Phasing (CCW End Points)Taps (Extra)

STANDARD15 Ω to 50 kΩ

± 3 %± 5 %STANDARD± 0.25 %± 0.25 %± 0.25 %± 0.25 %

100 Ω ENR 1080° + 4° - 0°

2.0 W at 70 °C ambient, derated to zero at 125 °C 75 % of the rating of section 1 (1.5 W at 70 °C)

1000 MΩ minimum, 500 VDC

1000 VRMS, 60 Hz

Linearity x total resistance or 0.5 Ω, whichever is greaterLinearity x total applied voltage for total resistance

above 20 Ω, 2.0 % of total applied voltage for 20 Ω and below

Additional sections phased to section 1 within ± 1°Available as special, standard tolerance ± 1°

SPECIAL150 kΩ± 1 %± 3 %SPECIAL± 0.15 %± 0.10 %± 0.075 %± 0.05 %

ORDERING INFORMATION/DESCRIPTION

The Model 852 can be ordered from this data sheet with a variety of alternate characteristics, as shown above. For most rapid service onyour order, please state:

852MODEL

CMOUNTINGB: BushingS: ServoC: Screw

1

NUMBER OF SECTIONSFrom 1 up to 3 max.

50K

RESISTANCE OF EACH SECTIONBeginning with the section nearest

the mounting end

BO1PACKAGINGBox of 1 piece

SAP PART NUMBERING GUIDELINES

852MODEL

CSTYLE

1

NUMBER OF SECTIONS

503

OHMIC VALUE SECTION NO1

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For technical questions, contact: sfer@vishay.comDocument Number: 57074

Revision: 22-Mar-07

B01PACKAGING

Model 852

1 13/16\" (46 mm) Three Turn WirewoundUpper Grade Precision Potentiometer

DIMENSIONS in inches (millimeters)SERVO MOUNT1.284(32.61)0.301 MIN.(7.)213± 0.010Vishay Spectrol

BUSHING MOUNT0.625(15.88)± 0.0310.812(20.62)± 0.015± 0.031± 0.015+ 0.0000Ø 0.2497 TYP.- 0.0003(6.34)0.219 TYP.(5.56)0.312(7.92)0.062(1.57)+ 0.000- 0.001± 0.015Ø 1.812(46.02)Ø 1.875(47.62)Ø 2.000(50.80)Ø 0.4062(10.32)+ 0.0000- 0.00100.562(14.27)0.062(1.57)0.073 MIN.(1.85)0.062(1.57)MTG. FACE± 0.0153/8 - 32 UNEF - 2A0.093(2.36)MTG. FACEØ 0.125(3.18)SCREW MOUNT45°± 10°21Ø 0.7500- 0.0005(19.05)+ 0.0000CW3± 0.015SCHEMATICMTG. FACE0.062(1.57)1.062 R MAX.(26.97)18 - 32 UNC - 2B 0.156DEEP (3.96) 3HOLES EQUALLYSPACED ON A 1.250Ø (31.75) B.C.TOLERANCES: UNLESS OTHERWISE NOTED.DECIMALS ± 0.005 ANGLES ± 2°ADD 0.992 ± 0.010 (25.20) FOR EACH ADDITIONAL SECTIONMECHANICAL SPECIFICATIONS

PARAMETERRotationBearing Type

Torque (Maximums)

Servo or Screw Section 1Bushing Section 1

Each Additional Section

Mechanical Runouts (Maximums):Shaft Runout (TIR/in)Pilot Dia. Runout (TIR)Lateral Runout (TIR)Shaft End PlayShaft Radial PlayWeight (Maximums)Single Section

Each Additional SectionStop StrengthGanging

Moment of Inertia

SERVOBall bearing

STARTING

1.20 oz. - in (86.4 g - cm)1.75 oz. - in (126.0 g - cm)0.80 oz. - in (57.6 g - cm)

SERVO/SCREW0.002\" (0.05 cm)0.002\" (0.05 cm)0.003\" (0.08 cm)0.005\" (0.13 cm)0.002\" (0.05 cm)

3.5 oz. (99.2 g)2.7 oz. (76.5 g)

1000 oz. - in, static (72 kg - cm)

3 sections maximum, terminal alignment, added sections

within ± 10° of section 1 terminals

5.5 g - cm2 per section maximum

Document Number: 57074Revision: 22-Mar-07

For technical questions, contact: sfer@vishay.comwww.vishay.com

139

1080° + 10° - 0°SCREWBall bearing

BUSHINGSleeve bearing

RUNNING

0.80 oz. - in (57.6 g - cm)1.25 oz. - in (90.0 g - cm)0.60 oz. - cm (43.2 g - cm)

BUSHING0.002\" (0.05 cm)0.002\" (0.05 cm)0.005\" (0.13 cm)0.005\" (0.13 cm)0.003\" (0.08 cm)

Model 852

Vishay Spectrol

1 13/16\" (46 mm) Three Turn WirewoundUpper Grade Precision Potentiometer

ENVIRONMENTAL SPECIFICATIONS

VibrationShockSalt SprayRotational LifeLoad Life

Units shall be marked with Spectrol name and model No, resistance and resistance tolerance, linearity, terminal identification and date code

Operating Temperature Range

15 g thru 2000 CPS

50 g96 h

600000 shaft revolutions

900 h- 55 °C to + 125 °C

MATERIAL SPECIFICATIONS

HousingLidsShaftTerminalsClamp Ring

Bushing Mount HardwareLockwasher Internal Tooth:Panel Nut:

Glass filled, thermoset plastic

Aluminum, anodizedStainless steel, non-magnetic

non-passivatedBrass, plated for solderability

Stainless steelSteel, nickel platedBrass nickel plated

MARKING

Unit

Identification

POWER RATING CHART

(Ratings for cup NO 1.

Additional cups 75 % of values shown)

6RESISTANCE ELEMENT DATA

STANDARDRESISTANCE VALUES (Ω)20

RESO-LUTION(%)0.0940.0740.0710.0720.00.0500.0470.0350.0290.0240.0170.0150.013

MAXIMUM MAXIMUM WIRE OHMS CURRENT VOLTAGE TEMP.AT 70 °C ACROSS PERCOEF.COILTURNAMBIENT (ppm/°C)(V)(mA)0.0190.0370.0710.1450.3200.5000.9481.7332.9234.7978.31314.53519.987

31620014110063.244.731.620.014.110.06.324.473.65

6.3310.014.220.031.4.763.31001422003147548

80080018020202020202020202020

RATED POWER IN W54321020STANDARD 125 °C406080100120140160SPECIAL 150 °C501002005001K2K5K10K20K50K100K150K

AMBIENT TEMPERATURE IN °C

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For technical questions, contact: sfer@vishay.comDocument Number: 57074

Revision: 22-Mar-07

Legal Disclaimer Notice

Vishay

Disclaimer

ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVERELIABILITY, 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 otherdisclosure relating to any product.

Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose orthe continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and allliability 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 particularpurpose, non-infringement and merchantability.

Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typicalrequirements that are often placed on Vishay products in generic applications. Such statements are not binding statementsabout the suitability of products for a particular application. It is the customer’s responsibility to validate that a particularproduct with the properties described in the product specification is suitable for use in a particular application. Parametersprovided in datasheets and/or specifications may vary in different applications and performance may vary over time. Alloperating parameters, including typical parameters, must be validated for each customer application by the customer’stechnical 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-sustainingapplications 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 agreeto fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses anddamages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishayor its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel toobtain 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 byany conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.

Document Number: 91000Revision: 11-Mar-11

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