Sharma Potentiometers
Trimmer Potentiometer
WIW1029 (3296)
Features
zꢀ 9mm Multiturn Square
zꢀ Cermet / Industrial / Sealed
zꢀ 5 Terminals types (W / X / P/ Y / Z)
zꢀ Available with a knob for finger adjust
Style Code
How to order
WIW1029—W—102
Electrical Characteristics
Standard Resistance Range
10 to 5 Megohms
(see standard resistance table)
Resistance Tolerance
f10%ꢀstd.
(tighter tolerance available)
Absolute Minimum Resistance
1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
3% or 3 ohms max.
ꢉꢂꢄ
"ꢋꢂꢋ
ꢁꢂꢃꢄ
ꢁꢂꢁ
ꢈꢂꢊ
ꢅꢂꢆ
ꢅꢂꢅꢄ
Model
Style
Resistance code
ꢆꢇ"ꢈꢂꢄ
ꢋꢂꢄ ꢋꢂꢄ
(whichever is greater)
Adjustability
Voltage f0.01%
ꢋꢂꢁ
ꢀꢁꢁWIPER
ꢆ
ꢋ
ꢂ
ꢃꢁꢁꢁCW
Resistance f0.05%
Resolution: Infinite
Insulation Resistance
500 vdc
1,000 Megohms min.
Dielectric Strength
101.3 kPa 600 vac
8.5 kPa 360vac
CLOCKWISE
ꢅ
WIW1029W
Standard Resistance Table
Resistance
˄Ohms˅
Resistance
Code
ꢆ
Effective Travel: 25turns nom
ꢋ
ꢅ
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
505
20
50
100
200
500
1000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500ˈ000
Environmental Characteristics
Power Rating (300 volts max.)
0.5 watt (70ć) , 0 watt (125ć)
Temperature Range
-55ć to +125ćꢀ
Temperature Coefficient
f100ppm/ć
ꢋꢂꢁ
WIW1029X
ꢋꢂꢄ
ꢄꢂꢋ
ꢆ
ꢋ
ꢅ
Vibration
98 m/s2
WIW1029P
(1%TR; 1%VR)
Shock
390 m/s2
ꢅꢂꢅꢄ
(1%TR; 1%VR)
Load Life
1,000 hours 0.5 watt @ 70ć
(3%TR; 4% or 4 ohm, whichever
is greater , CRV)
Rotational Life: 200 cycles
(3%TR; 4% or 4 ohm)ꢀ
Physical Characteristics
Torque
36 mNgm max.
Mechanical Stops
Wiper idles
ꢆ
ꢅ
ꢋ
1ˈ000ˈ000
2ˈ000ˈ000
5ˈ000ˈ000
ꢋꢂꢄ
WIW1029Y
WIW1029Z
ꢅꢂꢅꢄ
ꢆ
Special resistance available
ꢋ
TCR of shaded areas f250ppm/ć
Detail Specification: Q/RY256-2000
ꢅ
ꢋꢂꢄ
Detail Mil-Spec˖Q/RY20021-2000
Terminals
Solderable pins
Standard Packaging
50pcs.per tube
Tel:(949)642-SECI
SECI Engineers & Buyers' Guide
Fax:(949)642-7327