Potentiometer/Trimmer Selector Guide


Potentiometers - Single Turn
Series 149 249 357
Package Type Package Type Package Type
Shaft Diameter .125 (3.17), .250 (6.35) .125 (3.17), .250 (6.35) .2497 (6.34)
Element Type Cermet Cermet Conductive Plastic
Resistance Range 100 Ohms to 2 Meg Ohms 100 Ohms to 1 Meg Ohms 1K Ohms to 50K Ohms
Resistance Tolerance ±10% ±10% ±20%
Linearity ±5% ±5% ±2%
TC PPM/°C ±150% ±100% ±600%
Power Rating 1W @ +85°C 1W @ +70°C 1W @ +70°C
Mechanical Rotation 295° 295° 360° (Continuous)
Temperature Range -55° to +150°C -55° to +125°C -55° to +125°C
Rotation Life 25,000 Cycles 25,000 Cycles 2,000,000 Revolutions




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