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Yamaichi Electronics FAKRA and HSD Connectors

Portfolio for Automotive Applications expanded with Standard I/O Series

With the introduction of FAKRA and HSD connector series Yamaichi Electronics has checked off another box as a competent partner for the automobile industry.

FAKRA connectors (FAKRA derives from German for Automobile Working Group, Fachkreis Automobil) are coaxial high-frequency connectors that meet the requirements of DIN20860 and USCAR 17&18.

FAKRA connector applications lie in the transmission of a variety of signals, such as shortwave, mobile telephony, GPS, or telematics signals. Thanks to standardisation, each application is assigned a specific colour and mechanical code to ensure proper connections between the board and cable sides.

Electrical transmission is specified by a differential impedance of 50 Ohm and a frequency of up to 6 GHz.

Yamaichi Electronics is starting into the market with the HF106P series - a single-pin board connector variant. The version is available in A,C,D,H,I and K codings. That permits applications to be served that include radio, GPS, GSM or the control of auxiliary heating.

HSD – High Speed Data Connector Series

Since continued growth in demand for higher data transmission rates means that the one-pin FAKRA connector is no longer sufficient for some applications, the HSD interface has been defined (High Speed Data). This plug connector system is used for signals like USB or IEEE1394, for example. For the HSD interface, signal transmission via LVDS (Low Voltage Differential Signaling) is used. This prevents crosstalk between signals and interference from external signals as well as possible. The system is 100 ohm impedance controlled, so it brings top quality to signal transmission.

With its HF107P and HF108P series, Yamaichi offers two series of the HSD variant. The HF107P series is a four-pin HSD version with an additional shield washer. This washer ensures improved EMC shielding. This variant is initially available in the colour and mechanical codes B, C and E.

The second variant, HF108P, offers two additional external pins for separate power supply. These pins can each carry 5A. Coding D was selected as the starting version.

Both series have numerous features, such as 100 ohm differential impedance, two locking stages, particularly secure connector locking and contact protection on the pins. Of course, their design takes the special requirements of the automotive industry into consideration, so the system is specially developed and tested for environmental influences, vibrations, shock and long service life.

The metal housing is die-cast zinc, with gold-plated centre contacts with tinned TH solder contacts. All products are available in T&R packaging. They are fabricated at a TS16949 certified facility.

Main features:

  • FAKRA and HSD developed and tested for automotive applications
  • FAKRA according to DIN ISO 20860 & USCAR 17&18
  • HSD Power with two additional power pins up to 5A each
  • HSD and HSD Power with primary and secondary locking


With the new FAKRA and HSD series, Yamaichi Electronics has once again confirmed its status as an excellent partner in the automotive market, continually expanding its product lines to meet the needs of the market. For many years, Yamaichi Electronics has been a reliable partner whose products are used by all well-known OEMs. In addition to the I/O connectors, Yamaichi Electronics offers a wide variety of other products for automotive applications: card readers, computing module connectors and internal board-to-board and board-to-cable systems.

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