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Electrical Characteristics
Standard Resistance Range
100 to 2 megohms
(see standard resistance table)
Resistance Tolerance
10% std.
(tighter tolerance available)
Absolute Minimum Resistance
1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
3% or 3 ohms max.
(whichever is greater)
Adjustability
Voltage
0.05%
Resistance
0.15%
Resolution
Infinite
Insulation Resistance
500 vdc
1,000 megohms min.
Dielectric Strength
101.3 kPa 500 vac
8.5 kPa 350 vac
Adjustment Angle
260
nom.
Environmental Characteristics
Power Rating (250 volts max.)
0.5 watt (70
) , 0 watt (125
)
Temperature Range
-55
to +125
Temperature Coefficient
100ppm/
Vibration
98 m/s
2
(1%
TR; 1%
VR)
Shock
390 m/s
2
(1%
TR; 1%
VR)
Load Life
1,000 hours 0.5 watt @ 70
(3%
TR; 1% or 1 ohms, Whichever is
greater ,CRV)
Rotational Life
200 cycles
(3%
TR; 1% or 1 ohms, Whichever is
greater ,CRV)
Physical Characteristics
Mechanical Angle
280° nom.
Torque
20 mN
m max.
Stop Strength
50 mN
m min.
Terminals
Solderable pins
Standard Packaging
50 pcs. per tube
Features
9mm Square Single Turn
Cermet / Industrial / Sealed
Available with a knob for finger
adjust
Available with extended shaft
Top and side adjust types
(F,P,H,W,X most popular)
P-K
F
Y
R
P
E
W
H
C
X
How to order
WIW1028
P
102
Model
Style
Resistance Code
Standard Resistance Table
Resistance
(Ohms)
Resistance
Code
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
Special resistance available
Detail Specification: Q/RY259A-2002
Mil- Spec Detail: Q/RY20011-97
WIW1028 (3386)
Trimmer Potentiometer
Sharma Potentiometers
Tel:(949)642-SECI
SECI Engineers & Buyers' Guide
Fax:(949)642-7327
Style Code
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