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Sharma Potentiometers
WIW1028 (3386) Trimmer Potentiometer 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) 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.
How to order
Style Code
WIW1028
P
102
Model Style
P-K
Resistance Code
F
Y
Standard Resistance Table
R
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/s2 (1% TR; 1% VR) Shock 390 m/s2 (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)
Resistance (Ohms)
100 200 500
P
Resistance Code
101 201 501 102 202 502 103 203 253 503 104 204 254 504 105 205
1,000 2,000 5,000 10,000 20,000 25,000
E W H
50,000 100,000 200,000 250,000 500,000 1,000,000
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
C
X
2,000,000 Special resistance available
Detail Specification: Q/RY259A-2002 Mil- Spec Detail: Q/RY20011-97
Tel:(949)642-SECI
SECI Engineers & Buyers' Guide
Fax:(949)642-7327

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