Model 860
www.vishay.com Vishay Spectrol
Revision: 10-Apr-13 1Document Number: 57093
For technical questions, contact: sferprecisionpot@vishay.com
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
1 13/16" (46 mm) Ten Turn Wirewound Potentiometer,
Bushing Mount
FEATURES
• Gangable up to 2 sections
• Large range of ohmic values: 20 to 200 k
• Extra taps available upon request
• Ideally suits for all industry applications
QUICK REFERENCE DATA
Sensor type ROTATIONAL, multi turn wirewound
Output type Output by turrets
Market appliance Industrial
Dimensions 1 13/16" (46 mm)
ELECTRICAL SPECIFICATIONS
PARAMETER
Total resistance
Standard range
Tolerance:
200 and above
Below 200
20 to 200 k
STANDARD
± 3 %
± 5 %
Special up to 500 k
SPECIAL
± 1 %
± 3 %
Linearity (independent) ± 0.25 % standard
20 to 50
50 to 200
200 to 5 k
5 k and above
± 0.15 %
± 0.10 %
± 0.05 %
± 0.025 %
Noise 100 ENR
Electrical angle 3600° + 4° - 0°
Power rating 8.0 W at 40 °C derated to zero at 125 °C
Insulation resistance 1000 M minimum 500 VDC
Dielectric strength 1000 VRMS, 60 Hz
Absolute minimum resistance Not to exceed linearity x total resistance or 1 , whichever is greater
End Voltage 0.5 % of total applied voltage maximum
Phasing CCW end points sect. 2 phased to sect 1 within 1°
Taps (extra) Available as special standard tolerance ± 1°
ORDERING INFORMATION/DESIGNATION
Model 860 can be ordered from this datasheet with a variety of alternate characteristics, as shown. For most rapid service on your order,
please state:
860 B 1 20K BO10
MODEL BUSHING MOUNT NUMBER OF SECTIONS RESISTANCE OF EACH SECTION PACKAGING
From 1 up to 2 sections
(maximum)
Beginning with the section nearest
the mounting end Box of 10 pieces
SAP PART NUMBERING GUIDELINES
860 B 1 203 B10
MODEL STYLE NUMBER OF
SECTIONS
OHMIC VALUE OF
SECTION No 1PACKAGING
Model 860
www.vishay.com Vishay Spectrol
Revision: 10-Apr-13 2Document Number: 57093
For technical questions, contact: sferprecisionpot@vishay.com
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
DIMENSIONS in inches (millimeters)
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation 3600° + 4° - 0°
Bearing type Sleeve bearing
Torque (maximums):
Section 1
Section 2
STARTING
1.75 oz. - in (126.02 g - cm)
2.55 oz. - in (183.62 g - cm)
RUNNING
1.26 oz. - in (90.01 g - cm)
1.85 oz. - in (133.21 g - cm)
Runouts (maximums)
Shaft (TIR)
Pilot dia (TIR)
Lateral (TIR)
Shaft end play
Shaft radial play
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.002" min. 0.010" max. (0.05 cm to 0.25 cm)
0.003" max. (0.08 cm)
Weight (maximums)
Single section
Additional section
4.5 oz. (127.58 g)
4.0 oz. (113.40 g)
Stop strength 750 oz. - in (static) (54.01 kg - cm)
Ganging
2 sections maximum ears of clamp band between
sections positioned 45°, ± 10° CCW from
terminal center line
Moment inertia 15.0 g - cm2 maximum
2.000
(50.80)
± 0.015
0.250 MIN.
(6.35)
0.062
(1.57)
0.010
(0.25)
0.312
(7.92)
± 0.015
0.030 MAX.
(0.76)
3/8 - 32 UNEF - 2A
1.812
(46.02)
± 0.015
Ø 0.2497
(6.34)
+ 0.0000
- 0.0003
Ø 0.4062 MTG.
(10.32)
+ 0.0000
- 0.0020
0.062
(1.57)
23
0.218
(5.54)
± 0.015
0.562
(14.27)
Ø 0.125
(3.18)
MODEL: 860B/860-1
ADD 1.787 ± 0.010 (45.39) FOR 2 GANG UNIT
MTG. FACE
0.812
(20.62)
± 0.031
1
TOLERANCES: OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2°
CW
SCHEMATIC
2
3
1
2
1
Model 860
www.vishay.com Vishay Spectrol
Revision: 10-Apr-13 3Document Number: 57093
For technical questions, contact: sferprecisionpot@vishay.com
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
POWER RATING CHART
MATERIAL SPECIFICATIONS
Bushing Aluminum, nickel plated
Housing and front lid Molded glass filled thermoset
plastic
Rear lid Molded glass filled nylon
Shaft Stainless steel, non magnetic,
non-passivated
Terminals Brass, plated for solderability
Mounting hardware
Lockwasher:
Panel nut:
Internal tooth steel, nickel plated
Brass, nickel plated
ENVIRONMENTAL SPECIFICATIONS
Vibration 10 g thru 500 CPS
Shock 50 g
Rotational life 500 000 shaft revolutions
Load life 900 h
Temperature range - 55 °C to + 125 °C
Salt spray 48 h
MARKING
Unit identification
Units will be marked with Vishay Spectrol name and model no, resistance and resistance tolerance, linearity,
terminal identification, and date code.
Example of a marking for a standard part: 860-11202
RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE VALUES
()
RESOLUTION
(%)
OHMS PER
TURN
MAXIMUM CURRENT
AT 70 °C AMBIENT
(mA)
MAXIMUM VOLTAGE
ACROSS COIL
(V)
WIRE TEMPERATURE
COEFFICIENT
(ppm/°C)
20 0.044 0.009 632 13 800
50 0.027 0.014 400 20 800
100 0.024 0.024 283 28 800
200 0.028 0.056 200 40 180
500 0.023 0.115 126 63 20
1K 0.018 0.182 89 89 20
2K 0.020 0.402 63 126 20
5K 0.015 0.754 40 200 20
10K 0.013 1.23 28 283 20
20K 0.010 1.97 20 400 20
50K 0.007 3.69 13 632 20
100K 0.007 6.51 8.9 894 20
200K 0.005 9.63 5.0 1000 20
500K 0.004 20.0 2.0 1000 20
0 20 40 60 80 100 120 140
AMBIENT TEMPERATURE IN °C
RATED POWER IN W
0
2
4
6
8
10
12
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 02-Oct-12 1Document Number: 91000
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