Model 852 Datasheet

Model 852
www.vishay.com
Vishay Spectrol
1 13/16" (46 mm) Three Turn Wirewound
Upper Grade Precision Potentiometer
FEATURES
• Large range of ohmic values: 15  to 50 k
• Bushing mount, servo mount and srew mount version
• Gangable up to 3 sections
• Extra taps available upon request
QUICK REFERENCE DATA
Sensor type
ROTATIONAL, multi turn wirewound
Output type
Market appliance
Output by turrets
Professional
Dimensions
1 13/16" (46 mm)
ELECTRICAL SPECIFICATIONS
PARAMETER

Total resistance
Tolerance: 100  and above
Below 100 
Linearity (independent)
15  to 1 k
1 k to 5 k
5 k to 25 k
25 k and above
STANDARD
15  to 50 k
±3%
±5%
SPECIAL
150 k
±1%
±3%
STANDARD
± 0.25 %
± 0.25 %
± 0.25 %
± 0.25 %
SPECIAL
± 0.15 %
± 0.10 %
± 0.075 %
± 0.05 %
100  ENR
Noise
Electrical rotation
1080° +4° -0°
Power rating
Section 1
Additional sections
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)
Insulation resistance
1000 M minimum, 500 VDC
Dielectric strength
1000 VRMS, 60 Hz
Linearity x total resistance or 0.5 , whichever is greater
Absolute minimum, resistance
Linearity x total applied voltage for total resistance above 20 , 2.0 % of total applied voltage
for 20  and below
End voltage
Phasing (CCW end points)
Additional sections phased to section 1 within ± 1°
Taps (extra)
Available as special, standard tolerance ± 1°
ORDERING INFORMATION/DESCRIPTION
The Model 852 can be ordered from this datasheet with a variety of alternate characteristics, as shown above. For most rapid service on
your order, please state:
852
C
1
50K
BO1
MODEL
MOUNTING
NUMBER OF SECTIONS
RESISTANCE OF EACH SECTION
PACKAGING
B: Bushing
S: Servo
C: Screw
From 1 up to 3 max.
Beginning with the section nearest
the mounting end
Box of 1 piece
SAP PART NUMBERING GUIDELINES
852
C
1
503
B01
MODEL
STYLE
NUMBER OF SECTION
OHMIC VALUE SECTION No 1
PACKAGING
Revision: 27-Mar-15
Document Number: 57074
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
Model 852
www.vishay.com
Vishay Spectrol
DIMENSIONS in inches (millimeters)
SERVO MOUNT: 852S/852-2
± 0.010
1.284
(32.61)
BUSHING MOUNT: 852B/852-1
± 0.031
± 0.031
0.812
(20.62)
0.625
(15.88)
Ø 0.2497 TYP. - 0.0003
(6.34)
2 1
0.312
(7.92)
± 0.015
+ 0.0000
0.301 MIN.
(7.64)
0.219 TYP.
(5.56)
0.062
(1.57)
3
+ 0.0000
- 0.0010
+ 0.000
- 0.001
Ø 0.4062
(10.32)
Ø 1.875
(47.62)
± 0.015
Ø 1.812
(46.02)
± 0.015
Ø 2.000
(50.80)
0.562
(14.27)
± 0.015
0.093
(2.36)
MTG. FACE
0.062
(1.57)
MTG. FACE
0.062
(1.57)
0.073 MIN.
(1.85)
3/
8
- 32 UNEF - 2A
Ø 0.125
(3.18)
SCREW MOUNT: 852C/852-3
45°
± 10°
+ 0.0000
2
Ø 0.7500 - 0.0005
(19.05)
CW
± 0.015
3
1
SCHEMATIC
MTG. FACE
0.062
(1.57)
8 - 32 UNC - 2B 0.156
DEEP (3.96) 3
HOLES EQUALLY
SPACED ON A 1.250
Ø (31.75) B.C.
1.062 R MAX.
(26.97)
TOLERANCES: UNLESS OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2°
ADD 0.992 ± 0.010 (25.20) FOR EACH
ADDITIONAL SECTION
1
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
Bearing type
Torque (maximums)
Servo or screw section 1
Bushing section 1
Each additional section
Mechanical runouts (maximums):
Shaft runout (TIR/in)
Pilot dia. runout (TIR)
Lateral runout (TIR)
Shaft end play
Shaft radial play
Weight (maximums)
Single section
Each additional section
Stop strength
Ganging
Moment of inertia
Revision: 27-Mar-15
1080° +10° -0°
SERVO
Ball bearing
SCREW
Ball bearing
BUSHING
Sleeve 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)
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)
SERVO/SCREW
0.002" (0.05 cm)
0.002" (0.05 cm)
0.003" (0.08 cm)
0.005" (0.13 cm)
0.002" (0.05 cm)
BUSHING
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.005" (0.13 cm)
0.003" (0.08 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: 57074
2
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
Model 852
www.vishay.com
Vishay Spectrol
MATERIAL SPECIFICATIONS
Housing
ENVIRONMENTAL SPECIFICATIONS
Glass filled, thermoset plastic
Lids
Aluminum, anodized
Shaft
Stainless steel, non-magnetic
non-passivated
Terminals
Brass, plated for solderability
Clamp ring
Stainless steel
Bushing mount hardware
Lockwasher internal tooth:
Panel nut:
Steel, nickel plated
Brass nickel plated
Units shall be marked with Spectrol name and
model No, resistance and resistance tolerance,
linearity, terminal identification and date code.
Example of a marking for a standard part:
852-22203503
POWER RATING CHART
(Ratings for cup No 1. Additional cups 75 % of values shown)
RATED POWER IN W
6
5
4
3
2
1
15 g thru 2000 CPS
Shock
50 g
Salt spray
96 h
Rotational life
600 000 shaft revolutions
Load life
MARKING
Unit
identification
Vibration
SPECIAL 150 °C
STANDARD 125 °C
0
20
40
60
80
100
120
140
AMBIENT TEMPERATURE IN °C
Revision: 27-Mar-15
160
900 h
Operating temperature range
-55 °C to +125 °C
Note
• Nothing stated herein shall be construed as a guarantee of
quality or durability.
RESISTANCE ELEMENT DATA
MAXIMUM MAXIMUM
WIRE
STANDARD
RESO- OHMS CURRENT VOLTAGE
TEMP.
RESISTANCE
LUTION PER AT 70 °C ACROSS
COEF.
VALUES
COIL
(%)
TURN AMBIENT
(ppm/°C)
()
(V)
(mA)
20
0.094
0.019
316
6.33
800
50
0.074
0.037
200
10.0
800
100
0.071
0.071
141
14.2
180
200
0.072
0.145
100
20.0
20
500
0.064
0.320
63.2
31.6
20
1K
0.050
0.500
44.7
44.7
20
2K
0.047
0.948
31.6
63.3
20
5K
0.035
1.733
20.0
100
20
10K
0.029
2.923
14.1
142
20
20K
0.024
4.797
10.0
200
20
50K
0.017
8.313
6.32
316
20
100K
0.015
14.535
4.47
447
20
150K
0.013
19.987
3.65
548
20
Document Number: 57074
3
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
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www.vishay.com
Vishay
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Revision: 02-Oct-12
1
Document Number: 91000