3224W型贴片可调电阻

Electrical Characteristics
Standard Resistance Range
........................................10 to 2 megohm
(see standard resistance table)
Resistance Tolerance ................±10 % std.
Absolute Minimum Resistance
........................................1 % or 2.0 ohms
(whichever is greater)
Contact Resistance Variation
..................................1 % or 3 ohms max.
Resolution.......................Essentially Infinite
Insulation Resistance ....................500 vdc.
100 megohms min.
Dielectric Strength
Sea Level .....................600 vac (1 minute)
Adjustment Angle..................11 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
85 °C ..........................................0.25 watt
150 °C .............................................0 watt
Temperature Range ........-65 °C to +150 °C
Temperature Coefficient ........±100 ppm/°C
Humidity ............MIL-STD 202 Method 106
TRS ±2 %; IR 10 megohms
Vibration ...........20 G TRS±1 %; VRS ±1 %
Shock .............100 G TRS ±1 %; VRS±1 %
Load Life
.............@ 85 °C rated power 1,000 hours
TRS ....3 ohms or 3 % (whichever is greater)
Rotational Cycling......................200 cycles
TRS ....3 ohms or 3 % (whichever is greater)
Thermal Shock...............................5 cycles
TRS±2 %; VRS±1 %
Physical Characteristics
Mechanical Stop .......................Wiper idles
Torque .................................180 g-cm max.
Weight ....................Approximately 0.01 oz.
Marking .....................Manufacturer’s code,
resistance code and date code
Solderability ..................Per MIL-STD-202,
Method 208
Wiper....................50 % (Actual TR) ±10 %
Flammability ..................................UL94V0
Pushover Strength
J, G ................................................4.4 lbs.
W, X ....................................................1 lb.
Adjustment Tool ..................................H-91