Datasheet

7
/
8
" (22.2 mm) Conductive Plastic
Potentiometer, Bushing Mount Type
Model 357
Vishay Spectrol
Document Number: 57059 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 15-Nov-07 21
FEATURES
• 7/8" diameter single turn
• Compact size, advanced design technology
• Offer a cost effective solution to your
potentiometer requirements
• Suitable model for all industrial applications
RoHS
COMPLIANT
ELECTRICAL SPECIFICATIONS
PARAMETER
Resistance Standard range, 1 kΩ to 50 kΩ
Tolerance
STANDARD
± 20 %
SPECIAL TO
± 10 %
Linearity (Independent)
STANDARD
± 2.0 %
SPECIAL
± 1.0 %
Output Smoothness 0.1 % maximum
TCR ± 600 ppm/°C maximum
Power Rating 1.0 W at 70 °C derated to 0 W at 125 °C
Electrical Travel 340° ± 3°
End Voltage 0.5 % maximum
Dielectric Withstanding Voltage 1000 V
RMS
, 60 Hz
Insulation Resistance 1000 MΩ, 500 V
DC
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation 360° continuous (optional mechanical stops 340° ± 3°)
Mounting 3/8 - 32 UNEF - 2A
Operating Torque Maximum Starting and running 3.68 mNm (0.5 oz. - in)
Shaft Tolerance Maximum
Runout 0.13 mm (0.005")
End Play 0.25 mm (0.010")
Radial Play 0.13 mm (0.005")
Weight 17.5 g (0.62 oz.)
ORDERING INFORMATION/DESCRIPTION
357 B 0 10K 20 % A BO50 0 P 22 e4
MODEL STYLE FEATURES
OHMIC
VALUE
TOLERANCE
ON OHMIC VALUE
LINEARITY PACKAGING SHAFT TYPE LEAD
Bushing 0
Non turn pin and
continuous rotation
From 1K
to 50 K
± 10 %
or
± 20 %
X: ± 2 %
A: ± 1 %
Box of 50
pieces
Shaft diameter
0 = 6.0 mm or
1 = 6.35 (1/4")
Finish
1
No non turn pin and
continuous rotation
Shaft type
P = plain
S = slotted FMF
(from Mounting
face)
2
Non turn pin, with
stops on rotation
Range from 12
mm to 75 mm in 1
mm increments
3
No non turn pin
with stops on
rotation
SAP PART NUMBERING GUIDELINES
357B 2 203 M X B25 1S22
MODEL FEATURES OHMIC VALUE
TOLERANCE
ON OHMIC VALUE
LINEARITY PACKAGING SHAFT TYPE
203 = 20K M: ± 20 %/K: ± 10 % X: ± 2 % Box of 50 Pieces