Datasheet > 157B20K20%XBO10

157B20K20%XBO10

更新时间： 2023-03-15 00:00:00

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
3页	226K
描述
Potentiometer, Conductive Plastic, 1W, 20000ohm, 20% +/-Tol, -600,600ppm/Cel,

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157B20K20%XBO10 数据手册

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 V_RMS, 60 Hz

100 MΩ minimum, 500 V_DC

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)

0.005" (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

50K

20 %

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

For technical questions, contact: sfer@vishay.com

Document Number: 57042

Revision: 18-Jun-07

12 3

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