Sharma Potentiometers
WIW3329
Trimmer Potentiometer
Features
Single Turn Round
Cermet / Industrial / Sealed
Top and side adjust types
(H,S,X,P most popular)
How to order
Electrical Characteristics
Standard Resistance Range
10 to 2 Megohms
(see standard resistance table)
Resistance Tolerance
20% or 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 315 vac
Adjustment Angle 210 nom.
WIW3329
H
102
Model
Style
Resistance Code
WIW3329H
WIW3329S
Standard Resistance Table
Resistance
(ohm)
10
20
50
100
WIW3329X
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
(3% TR; 2% VR)
Shock
390 m/s
2
(3% TR; 2% VR)
Load Life
1,000 hours 0.5 watt @ 70
(3% TR; 3% or 3 ohms, Whichever is
greater ,CRV)
Rotational Life
100 cycles
(3% TR; 3% or 3 ohms, Whichever is
greater ,CRV)
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
200
500
1,000
2,000
5,000
10,000
20,000
Physical Characteristics
Mechanical Angle
250 nom.
Torque
20 mN m max.
Stop Strength
50 mN m min.
WIW3329H-1
25,000
50,000
100,000
200,000
250,000
500,000
WIW3329P
1,000,000
2,000,000
Special resistance available
Detail Specification: Q/RY237-2000
Tel:(949)642-SECI
SECI Engineers & Buyers' Guide
Fax:(949)642-7327
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