The Bourns 91A1A-B28-A22L is a part of 91 Series which are single turn, rotary linear potentiometers. It is available in various pin-out configurations. It has one piece shaft and rotor assembly. It has Panel and PCB mountable capacity. It also has linear and audio (log) output track options.
Potentiometer type Rotary Maximum resistance 500kΩ Number of gangs 1 Number of turns 1 Power rating 2W Electrical taper Linear