09VR 9mm Panel Potentiometer CTS Electronic Components 09VR 9mm Panel Potentiometer offers an IP40 rating, a +300Ω residual resistance, and a 20VDC operating voltage. The 09VR series has a miniature 9mm package size and a variety of standard resistances and tapers. CTS Electronic Components 09VR 9mm Panel Potentiometer is ideal for consumer portable electronics, communications equipment, and commercial appliances.