BSI - BS 9133 N001-003
Detail specification for Single turn low power non-wirewound rotary potentiometers - Spindle insulated from resistance element, spindle and panel sealed or container, spindle and panel sealed - Full assessment level
|Publication Date:||15 January 1975|
|ICS Code (Potentiometers, variable resistors):||31.040.20|
Preferred resistance values 1.0, 2.2 and 4.7 in each decade; resistance laws - linear, non-linear and reverse non-linear; selection tolerances ±20%, ±10%; rated dissipation - spindle and panel sealed types 0.25 W and 1.375 W (linear law) - container, spindle and panel sealed 0.7 W (linear law) (rated dissipation halved for logarithmic and reverse logarithmic laws); temperature characteristic of resistance ±6.5%. Range of spindle and mounting details in appendices.