Johanson Dielectrics Inc.

Johanson Dielectrics Inc. is a specialized manufacturer of advanced ceramic-based electronic components, with a strong focus on high-frequency and high-voltage applications. The company has built a reputation for engineering precision dielectric solutions that meet the demanding requirements of modern electronic systems. With a catalog of 2,592 products, Johanson Dielectrics serves design engineers across multiple industries including RF and wireless communications, medical devices, aerospace, automotive electronics, and industrial automation.

The company's product portfolio centers on multilayer ceramic capacitors (MLCCs), including standard, high-voltage, and high-Q versions optimized for RF and microwave circuits. Their filter offerings encompass EMI/RFI suppression filters, feed-through capacitors, and three-terminal chip filters designed to address electromagnetic compatibility challenges. Johanson Dielectrics also provides development boards, evaluation kits, and programmer accessories that support rapid prototyping and integration of their components into customer designs. These components are widely used in base stations, satellite communications, medical imaging equipment, and high-reliability military and aerospace systems.

3J LIMITED is an authorized distributor of Johanson Dielectrics Inc. products, offering engineers and procurement specialists direct access to the full range of capacitors, filters, and development kits. Through 3J LIMITED, customers can source authentic Johanson Dielectrics components with reliable supply chain support, competitive pricing, and technical assistance. This partnership ensures that design teams have streamlined access to high-quality dielectric components for both prototype development and volume production requirements.