KYOCERA AVX’s has expanded its 3dB 90° hybrid couplers – the DB0402 adds a miniature 0402 size package to the family which already includes the DB0603, and DB0805 series – engineered to meet the growing demands of high-frequency wireless systems across industrial, automotive, telecommunications, and telemetry sectors. As wireless technologies continue to advance at pace, the need for components that can deliver consistent, high-frequency performance in ever-smaller footprints has never been greater. The DB series from KYOCERA AVX answers this call with a robust, space-saving solution that doesn’t compromise on power or precision.
These hybrid couplers are special four-port directional couplers designed to split input signals into two equal-amplitude outputs with a 90° phase shift, enabling precise signal control and monitoring in compact RF systems. With their miniature footprints, robust construction, and excellent electrical performance, the DB series couplers are ideal for next-generation wireless infrastructure and compact embedded designs.
DB0402 Series – Ultra-Miniature, High-Precision
The DB0402 3dB LGA Coupler is based on thin-film multilayer technology. The technology provides a miniature part with excellent high frequency performance and rugged construction for reliable automatic assembly. The DB0402 Coupler is offered in a variety frequency bands compatible with various types of high frequency wireless systems.
The DB0402 series is the smallest in the lineup, measuring just 0.040” x 0.023” x 0.014”. Despite its size, it delivers exceptional performance across 3,000–4,100MHz, with:
Its compact form factor and compatibility with automated assembly make it ideal for space-constrained applications such as mobile devices, GPS modules, and compact base stations
DB0603 Series – Versatile and Rugged
The DB0603N 3dB 90° Coupler is based on thin-film multilayer technology. The technology provides a miniature part with excellent high frequency performance and rugged construction for reliable automatic assembly. The RFAP LGA 3dB 90° Coupler is offered in a variety of frequency bands compatible with various types of high frequency wireless systems.
The DB0603N series builds on the DB0402's strengths with a slightly larger footprint (0.060” x 0.030”) and broader frequency coverage from 2GHz to 6GHz. It offers:
Typical applications is balanced amplifiers and signal distribution in wireless communications, LANs, GPS, vehicle location systems, and signal distribution networks. Its rugged multilayer thin-film construction ensures reliable performance in harsh environments and high-density PCBs
DB0805 Series – High Power, Broad Compatibility
The DB0805 SMD 3dB 90° Coupler is based on thin-film multilayer technology. The technology provides a miniature part with excellent high frequency performance and rugged construction for reliable automatic assembly. The ITF 3dB 90° Coupler is offered in a variety of frequency bands compatible with various types of high frequency wireless systems.
The DB0805 series is designed for applications requiring higher power handling and broader frequency compatibility. With a footprint of 0.080” x 0.050”, it supports:
This makes the DB0805 ideal for 5G infrastructure, SATCOM, RF amplifiers, and MIMO antenna systems where performance and reliability are critical
The DB series of 3dB 90° hybrid couplers exemplifies KYOCERA AVX’s dedication to pushing the boundaries of RF component design. Whether you’re developing infrastructure for next-gen wireless networks or designing compact, high-performance modules for industrial or automotive use, these hybrid couplers offer a compelling combination of performance, size, and ease of integration.
To support the evaluation and design-in process, Anglia are offering customers FREE samples of the DB0402, DB0603 and DB0805 series of 90° hybrid couplers from KYOCERA AVX, please fill in the form below to register your interest now.
Free samples are subject to availability.
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