For many demanding RFID, medical, and cellular technologies applications the half or single turn trimmer is a proven performer delivering uncompromising stability. Knowles has been offering these high-performance, high Q, half-turn trimmer capacitors for over two decades. Combining the offerings of both Voltronics and Johanson Manufacturing we can offer cost effective surface mount and through hole solutions. With working voltages up to 350V and capacitance values up to 50pF as standard we can offer custom solutions and larger values on request.