157B20K20%XBO10 [VISHAY]
Potentiometer, Conductive Plastic, 1W, 20000ohm, 20% +/-Tol, -600,600ppm/Cel,;
| 型号： | 157B20K20%XBO10 |
| 厂家： | 
VISHAY |
| 描述： | Potentiometer, Conductive Plastic, 1W, 20000ohm, 20% +/-Tol, -600,600ppm/Cel, |
| 文件： | 总3页 (文件大小：226K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Model 157
Vishay Spectrol
7/8" (22.2 mm) Precision Industrial Potentiometer
Bushing and Servo Mount Versions, Conductive Plastic
FEATURES
• High quality
• Rugged one piece metal housing
• Long rotational life
RoHS
COMPLIANT
• Wide operating temperature range
• Linearities down to 0.25 % special
• Optional sealed construction (bushing mount only)
ELECTRICAL SPECIFICATIONS
PARAMETER
MIL-PRF-39023 TEST PROCEDURES APPLY
Resistance
1 kΩ to 100 kΩ
Resistance Tolerance
Special to
20 %
10 %
Linearity
Special to
2.0 %
0.25 %
Temperature Coefficient of Resistance
600 ppm/°C
Power Rating
Derated to
1.0 W at 40 °C ambient
0 W at 125 °C
Electrical Angle
340° 4°
0.5 % maximum
1000 VRMS, 60 Hz
100 MΩ minimum, 500 VDC
0.1 %
End Voltage
Dielectric Withstanding
Insulation Resistance
Output Smoothness
MECHANICAL SPECIFICATIONS
PARAMETER
Weight
0.5 oz. maximum (14 g)
360° (continuous)
Rotation
Mount
Bearing Type
BUSHING
Sleeve bearing
SERVO
Ball bearing
Operating Torque
Starting
Running
0.25 oz. - in (18 g - cm)
0.15 oz. - in (10.8 g - cm)
0.30 oz. - in (21.6 g - cm)
0.25 oz. - in (18 g - cm)
Mechanical Tolerance (in/mm) (maximum)
Shaft Runout (TIR)
0.002" (0.05 mm)
-
0.002" (0.05 mm)
0.002" (0.05 mm)
0.002" (0.05 mm)
0.005" (0.13 mm)
0.002" (0.05 mm)
Pilot Dia Runout (TIR)
Lateral Runout (TIR)
Shaft End Play
0.005" (0.13 mm)
0.006" (0.15 mm)
0.003" (0.08 mm)
Shaft Radial Play
ORDERING INFORMATION/DESCRIPTION
157
B
50K
20 %
C
BO10
PACKAGING
MODEL
MOUNTING
OHMIC VALUE
TOLERANCE
LINEARITY
ON OHMIC VALUE
B = Bushing
S = Servo
C: 0.25 %
Box of 10 pieces
www.vishay.com
16
For technical questions, contact: sfer@vishay.com
Document Number: 57042
Revision: 18-Jun-07
Model 157
Vishay Spectrol
7/8" (22.2 mm) Precision Industrial Potentiometer
Bushing and Servo Mount Versions, Conductive Plastic
SAP PART NUMBERING GUIDELINES
157
S
502
M
X
B10
MODEL
STYLE
OHMIC VALUE
TOLERANCE
ON OHMIC VALUE
M: 20 %
LINEARITY
PACKAGING
502 = 5K
X: 2 %
Box of 10 pieces
DIMENSIONS in inches (millimeters)
BUSHING MOUNT: 157B...
0.031
0.010
0.875
(22.22)
0.365
(9.27)
+ 0.0000
- 0.0003
90°
Ø 0.9.52 x 1.57 WIDE
IMPERFECT
THREAD AREA
Ø 0.2497
(6.34)
157 - XXXX
0.312
(7.92)
XXXΩ
XX%
XXXX
TERM 1
TERM 3
XX%
XXX Country
1
2
3
Ø 0.875
(22.2)
MARKING
TERM 2
0.010
LOCATING PIN Ø
0.125
0.062 x 0.062
(1.57 x 1.57)
(3.18)
0.176 TERMINAL
RADIUS (4.47)
0.015
0.345
(8.76)
RETAINER: Ø 0.312 x 0.03 MAX.
3/8 - 32 UNEF - 2A
0.015
0.455
(11.56)
2
CW
RETAINER
Ø 0.20 MAX. x 0.02 MAX. (5.08)
0.062 (1.57)
0.062 (1.57)
1
3
SCHEMATIC
Ø 0.1248
Ø 0.050
(1.27)
Ø 0.1245
(3.17)
SERVO MOUNT: 157S...
Ø 0.070
(1.78)
Ø 0.750
(19.05)
Ø 0.7500 (19.05)
Ø 0.7495
TOLERANCES: UNLESS OTHERWISE NOTED.
DECIMALS 0.005 ANGLES 2°
0.062 (1.57)
0.031
0.500
(12.7)
MATERIAL SPECIFICATIONS
Housing/Bushing
Aluminum, anodized
Ceramic
Rear Lid
Shaft
Stainless steel
Solderable
Terminals
Bushing Mount Hardware
Panel Nut
Lockwasher, internal tooth steel, nickel plated
Brass, nickel plated
ENVIRONMENTAL SPECIFICATIONS
Temperature
- 55 °C + 125 °C
BUSHING
5 million shaft revolutions
SERVO
10 million shaft revolutions
Rotational Life
Moisture Resistant
Vibration
Yes
15 g 10 to 2000 Hz
50 g
Shock
Salt Spray
Load Life
96 h
900 h
Document Number: 57042
Revision: 18-Jun-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
17
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
www.vishay.com
1
相关型号：
157B50KCBO10
7/8 (22.2 mm) Precision Industrial Potentiometer Bushing and Servo Mount Versions, Conductive Plastic
VISHAY
157BPA025QSD
Aluminum Electrolytic Capacitor, Non-polarized, Aluminum (wet), 25V, 30% +Tol, 10% -Tol, 150uF
ILLINOISCAPAC
©2020 ICPDF网 联系我们和版权申明