Model 357
Vishay Spectrol
7/8" (22.2 mm) Conductive Plastic
Potentiometer, Bushing Mount Type
FEATURES
• 7/8" diameter single turn
• Compact size, advanced design technology
• Offer a cost effective solution to your
RoHS
COMPLIANT
potentiometer requirements
• Suitable model for all industrial applications
ELECTRICAL SPECIFICATIONS
PARAMETER
Resistance
Standard range, 1 kΩ to 50 kΩ
STANDARD
SPECIAL TO
Tolerance
20 ꢀ
10 ꢀ
STANDARD
SPECIAL
Linearity (Independent)
2.0 ꢀ
1.0 ꢀ
Output Smoothness
TCR
0.1 ꢀ maximum
ꢁ00 ppm/ꢂC maximum
Power Rating
Electrical Travel
End Voltage
1.0 W at 70 ꢂC derated to 0 W at 125 ꢂC
340ꢂ 3ꢂ
0.5 ꢀ maximum
Dielectric Withstanding Voltage
Insulation Resistance
1000 VRMS, ꢁ0 Hz
1000 MΩ, 500 VDC
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
Mounting
3ꢁ0ꢂ continuous (optional mechanical stops 340ꢂ 3ꢂ)
3/8 - 32 UNEF - 2A
Operating Torque Maximum
Shaft Tolerance Maximum
Runout
End Play
Radial Play
Starting and running 3.ꢁ8 mNm (0.5 oz. - in)
0.13 mm (0.005")
0.25 mm (0.010")
0.13 mm (0.005")
17.5 g (0.ꢁ2 oz.)
Weight
ORDERING INFORMATION/DESCRIPTION
357
B
0
10K
20 %
A
BO50
0 P 22
e4
OHMIC
VALUE
TOLERANCE
ON OHMIC VALUE
MODEL
STYLE
FEATURES
LINEARITY PACKAGING
SHAFT TYPE
LEAD
Shaft diameter
0 = ꢁ.0 mm or
1 = ꢁ.35 (1/4")
Shaft type
P = plain
S = slotted FMF
(from Mounting
face)
Range from 12
mm to 75 mm in 1
mm increments
Non turn pin and
continuous rotation
Box of 50
pieces
Bushing
0
1
Finish
No non turn pin and
continuous rotation
10 ꢀ
or
20 ꢀ
From 1K
to 50 K
X: 2 ꢀ
A: 1 ꢀ
Non turn pin, with
stops on rotation
2
3
No non turn pin
with stops on
rotation
SAP PART NUMBERING GUIDELINES
357B
2
203
M
X
B25
1S22
TOLERANCE
ON OHMIC VALUE
M: 20 ꢀ/K: 10 ꢀ
MODEL
FEATURES
OHMIC VALUE
203 = 20K
LINEARITY
X: 2 ꢀ
PACKAGING
SHAFT TYPE
Box of 50 Pieces
Document Number: 57059
Revision: 15-Nov-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
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