MODEL142 [VISHAY]
1/2 (12.7 mm) Single - Turn Wirewound Servo Mount Type Precision Potentiometer; 1/2（ 12.7毫米）单 - 圈线绕伺服安装型精密电位器
| 型号： | MODEL142 |
| 厂家： | 
VISHAY |
| 描述： | 1/2 (12.7 mm) Single - Turn Wirewound Servo Mount Type Precision Potentiometer |
| 文件： | 总3页 (文件大小：210K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Model 142
Vishay Spectrol
1/2" (12.7 mm) Single - Turn Wirewound
Servo Mount Type Precision Potentiometer
FEATURES
• Ohmic value range: 50 Ω up to 20 kΩ
• Smallest size available: 12.7 mm
• Center tap on request
RoHS
COMPLIANT
• Custom shafts available on request
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Tolerance
50 Ω to 20 kΩ
5 ꢀ
Linearity x total resistance or
0.5 Ω, whichever is greater
Absolute Minimum Resistance
Linearity (Independent)
Noise
1.0 ꢀ
100 Ω ENR
Power Rating
2 W at 40 °C ambient derating linearly to zero at 125 °C
1000 MΩ min. 500 VDC
Insulation Resistance
Dielectric Strength
Electrical Angle
1000 VRMS, 60 Hz
350° + 0° - 4°
Linearity x total applied voltage for total resistance above 20 Ω;
2.0 ꢀ of total applied voltage for 20 Ω and below
End Voltage
MATERIAL SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Vibration
20 G thru 2000 Hz
Stainless steel, non magnetic
Shaft
non-passivated
Shock
50 g
96 h
Salt Spray
Housing
Rear Lid
Terminals
Aluminum, anodized
500 000
shaft revolutions
Rotational Life
Molded glass filled
thermoset plastic
Load Life
900 h
Brass, gold plated
Temperature Range
- 55 °C to + 125 °C (operating)
ORDERING INFORMATION/DESCRIPTION
142S
0
0
10K
BO10
MODEL
MECHANICAL OPTIONS
SPECIAL FEATURE
OHMIC VALUE
PACKAGING
Box of 10 pieces
0. Continuous rotation,
0. Standard torque
plain shaft (std.)
1. Center tap (10K max. Rt)
SAP PART NUMBERING GUIDELINES
142S
0
1
502
B10
MODEL
MECHANICAL OPTIONS
SPECIAL FEATURE
1: With center tap
OHMIC VALUE
502 = 5K
PACKAGING
Box of
10 pieces
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For technical questions, contact: sfer@vishay.com
Document Number: 57039
Revision: 28-Jun-07
Model 142
Vishay Spectrol
1/2" (12.7 mm) Single - Turn Wirewound
Servo Mount Type Precision Potentiometer
DIMENSIONS in inches (millimeters)
CENTER TAP OPTION
0.133 R
(3.38)
120°
TYP.
Ø 0.500
(12.70)
Ø 0.375
(9.52)
150°
CW
0.0005
0.062
(1.57)
0.062
(1.57)
0.625
(15.88)
Ø 0.4370 MTG.
(11.10)
+ 0.010
0.500
(12.70)
0.152
(3.86)
+ 0.000
- 0.0003
Ø 0.1248
(3.17)
60°
0.062 (1.57)
MTG. FACE
CENTER TAP AVAILABLE AS
SPEC STANDARD FEATURE
TOLERANCES: UNLESS
OTHERWISE NOTED.
DECIMALS 0.005 ANGLES 2°
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
360° continuous
Bearing Type
Torque (Maximums)
Starting
Running
Dead Zone
BALL BEARING
0.075 oz. - in (5.40 g - cm)
0.05 oz. - in (3.60 g - cm)
0.20 oz. - in (14.40 g - cm)
Weight
0.3 oz. (8.50 g) maximum
Runouts (Maximum)
Shaft (TIR)
Pilot Dia. (TIR)
Lateral (TIR)
Shaft End Play
Shaft Radial Play
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.004" (0.10 cm)
0.002" (0.05 cm)
POWER RATING CHART
RESISTANCE ELEMENT DATA
MAXIMUM MAXIMUM
STD
WIRE
TEMP.
2
RESO- OHMS CURRENT VOLTAGE
RESISTANCE
VALUES
LUTION PER
AT 40 °C
ACROSS
COIL
COEF.
(%)
TURN AMBIENT
(mA)
(
Ω)
(ppm/°C)
(V)
50
100
200
500
1K
0.542 0.271
0.431 0.431
0.361 0.722
200.0
141.0
100.0
63.2
44.7
31.6
20.0
14.1
10.0
10.0
14.1
20
20
20
20
20
20
20
20
20
1
0
20.0
0
20 40 60 80 100 120 140 160
AMBIENT TEMPERATURE IN °C
0.312
0.255
0.197
0.170
0.147
0.105
1.56
2.55
3.94
8.50
14.7
21.0
31.6
44.7
2K
63.2
MARKING
5K
100.0
141.0
200.0
Units shall be marked with manufacturer’s name,
model number, resistance value and tolerance,
Unit
10K
20K
Identification circuit diagram, terminal identification, linearity
and data code
Document Number: 57039
Revision: 28-Jun-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
91
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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