Model 860
Vishay Spectrol
1
13
/
16
" (46 mm) Ten Turn Wirewound,
Bushing Mount
FEATURES
•
Gangable up to 2 sections
•
Large range of ohmic values: 20
Ω
to 200 kΩ
•
Extra taps available upon request
•
Ideally suits for all industry applications
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Standard Range
Tolerance:
200
Ω
and Above
Below 200
Ω
Linearity (Independent)
20
Ω
to 50
Ω
50
Ω
to 200
Ω
200
Ω
to 5 kΩ
5 kΩ and Above
Noise
Electrical Angle
Power Rating
Insulation Resistance
Dielectric Strength
Absolute Minimum Resistance
End Voltage
Phasing
Taps (Extra)
20
Ω
to 200 kΩ
STANDARD
±3%
±5%
± 0.25 % standard
± 0.15 %
± 0.10 %
± 0.05 %
± 0.025 %
100
Ω
ENR
3600° + 4° - 0°
8.0 W at 40 °C derated to zero at 125 °C
1000 MΩ minimum 500 V
DC
1000 V
RMS
, 60 Hz
Not to exceed linearity x total resistance or 1
Ω,
whichever is greater
0.5 % of total applied voltage maximum
CCW end points sect. 2 phased to sect 1 within 1°
Available as special standard tolerance ± 1°
Special up to 500 kΩ
SPECIAL
±1%
±3%
ORDERING INFORMATION/DESIGNATION
Model 860 can be ordered from this data sheet with a variety of alternate characteristics, as shown. For most rapid service on your order,
please state:
860
MODEL
B
BUSHING MOUNT
1
NUMBER OF SECTIONS
From 1 up to 2 sections
(maximum)
20K
RESISTANCE OF EACH SECTION
Beginning with the section nearest
the mounting end
BO10
PACKAGING
Box of 10 pieces
SAP PART NUMBERING GUIDELINES
860
MODEL
B
STYLE
1
NUMBER OF
SECTIONS
203
OHMIC VALUE OF
SECTION N
O
1
B10
PACKAGING
Document Number: 57093
Revision: 05-Jul-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
141
Model 860
Vishay Spectrol
1
13
/
16
" (46 mm) Ten Turn Wirewound,
Bushing Mount
MODEL
860
2
2.000
(50.80)
0.250 MIN.
(6.35)
± 0.015
DIMENSIONS
in inches (millimeters)
MTG. FACE
0.812
(20.62)
± 0.031
0.062
(1.57)
0.010
(0.25)
2 1
3
0.312
(7.92)
± 0.015
0.030 MAX.
(0.76)
3
/
0.218
(5.54)
± 0.015
8
- 32 UNEF - 2A
± 0.015
1.812
(46.02)
0.562
(14.27)
0.062
(1.57)
+ 0.0000
- 0.0003
Ø 0.2497
(6.34)
+ 0.0000
Ø 0.125
(3.18)
Ø 0.4062 MTG.
- 0.0020
(10.32)
2
1
ADD 1.787 ± 0.010 (45.39) FOR 2 GANG UNIT
1
CW
3
TOLERANCES: OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2°
SCHEMATIC
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
Bearing Type
Torque (maximums):
Section 1
Section 2
Runouts (Maximums)
Shaft (TIR)
Pilot Dia (TIR)
Lateral (TIR)
Shaft End Play
Shaft Radial Play
Weight (maximums)
Single Section
Additional Section
Stop Strength
STARTING
1.75 oz. - in (126.02 g - cm)
2.55 oz. - in (183.62 g - cm)
3600° + 4° - 0°
Sleeve bearing
RUNNING
1.26 oz. - in (90.01 g - cm)
1.85 oz. - in (133.21 g - cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.002" min. 0.010" max. (0.05 - 0.25 cm)
0.003" max. (0.08 cm)
4.5 oz. (127.58 g)
4.0 oz. (113.40 g)
750 oz. - in (static) (54.01 kg - cm)
2 sections maximum ears of clamp band between
sections positioned 45°, ± 10° CCW from
terminal center line
15.0 g - cm
2
maximum
Ganging
Moment Inertia
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142
For technical questions, contact: sfer@vishay.com
Document Number: 57093
Revision: 05-Jul-07
Model 860
1
13
/
16
" (46 mm) Ten Turn Wirewound,
Bushing Mount
MATERIAL SPECIFICATIONS
Bushing
Housing and Front Lid
Rear Lid
Shaft
Terminals
Mounting Hardware
Lockwasher:
Panel Nut:
Aluminum, nickel plated
Molded glass filled thermoset
plastic
Molded glass filled nylon
Stainless steel, non magnetic,
non-passivated
Brass, plated for solderability
Internal tooth steel, nickel plated
Brass, nickel plated
Vishay Spectrol
ENVIRONMENTAL SPECIFICATIONS
Vibration
Shock
Rotational Life
Load Life
Temperature Range
Salt Spray
10 g thru 500 CPS
50 g
500 000 shaft revolutions
900 h
- 55 °C to + 125 °C
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
POWER RATING CHART
12
10
RATED POWER IN W
8
6
4
2
0
0
20
40
60
80
100
120
140
AMBIENT TEMPERATURE IN °C
RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE VALUES
(Ω)
20
50
100
200
500
1K
2K
5K
10K
20K
50K
100K
200K
500K
Document Number: 57093
Revision: 05-Jul-07
RESOLUTION
(%)
0.044
0.027
0.024
0.028
0.023
0.018
0.020
0.015
0.013
0.010
0.007
0.007
0.005
0.004
OHMS PER
TURN
0.009
0.014
0.024
0.056
0.115
0.182
0.402
0.754
1.23
1.97
3.69
6.51
9.63
20.0
MAXIMUM CURRENT
AT 70 °C AMBIENT
(mA)
632
400
283
200
126
89
63
40
28
20
13
8.9
5.0
2.0
MAXIMUM VOLTAGE
ACROSS COIL
(V)
13
20
28
40
63
89
126
200
283
400
632
894
1000
1000
WIRE TEMPERATURE
COEFFICIENT
(ppm/°C)
800
800
800
180
20
20
20
20
20
20
20
20
20
20
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143
For technical questions, contact: sfer@vishay.com
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
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 herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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1
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