PTR901-1015F-B203 is a 9 mm single-section potentiometer with an integrated rotary switch, designed for pro audio and multimedia applications. It features a carbon element with a 20,000 ohm resistance value (code 203), B taper (linear), flatted metal shaft style with 15 mm shaft length, and ±10% total resistance tolerance. The potentiometer operates within a temperature range of -10°C to +50°C, supports a maximum operating voltage of 150 VAC or 20 VDC, and offers a rotational life of 15,000 cycles. With IP40 protection rating and mounting torque of 7.0 kg-cm minimum, this component is ideal for amplifiers, mixers, synthesizers, DJ equipment, and portable electronics where reliable volume and tone control is required.