Johanson Manufacturing / Knowles

Johanson Manufacturing Corporation (JMC) is a supplier of trimmer capacitors, non-magnetic variable inductors and microwave tuning elements. The company offers a wide variety of variable capacitors for RF and microwave applications. The corporate complement of highly trained individuals, whose first priority is the customer, reflects JMC’s philosophy of excellence and provides uncompromising quality for total customer satisfaction. Furthermore, JMC is certified to ISO 9001 + and AS9100 quality management standards.

View all products from Knowles Precision Devices.

Featured Products by Johanson Manufacturing / Knowles

Air Capacitors

Feature long rotational life and >10⁶MΩ insulation resistance.

Giga-Trim® Capacitors

Featuring a 500V_DC working voltage and insulation resistance of more than 10⁶MΩ.

Thin-Trim Capacitors

Ideal for applications where size and performance are critical. 

View All Featured Products