Sharma Potentiometers
WIW3224
SMD Trimmer Potentiometer
Features
Surface Mount
4mm Square
Multi-turns / Cermet
Industrial / Sealed
Electrical Characteristics
Standard Resistance Range
10 to 1 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)
Resolution
Essentially Infinite
Insulation Resistance
500 vdc
1,000 megohms min.
Dielectric Strength
101.3 kPa 600 vac
8.5 kPa 250 vac
Effective Travel
11 turns nom.
WIW3224 Dimensions
Environmental Characteristics
Power Rating (200 volts max.)
0.25 watt (70 ) , 0 watt (125
Temperature Range
-55
to +125
Temperature Coefficient
100ppm/
Vibration
98 m/s
2
(1% TR;1% VR)
Shock
490 m/s
2
(1% TR; 1% VR)
Load Life
1,000 hours 0.25 watt @ 70
(3% TR; 3% or 3 ohm,
whichever is greater, CRV)
Rotational Life
200 cycles
(3% TR; 3% or 3 ohm,
whichever is greater, CRV)
Thermal Shock
5 cycles
(2% TR;1% VR)
)
standard Resistance Table
Resistance
(
)
10
20
50
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
Special resistance available
Detail Specification: Q/RY515-2003
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
How to order
WIW3324
W
102
Physical Characteristics
Torque
25 mN m max.
Mechanical Stops
Wiper idles
Wiper
Set at 50% nominal
Model
Style
Resistance Code
Tel:(949)642-SECI
SECI Engineers & Buyers' Guide
Fax:(949)642-7327
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