New KD9351 FOT reduces costs in automotive applications

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The new integrated KD9351 Fiber Optic Transceiver (FOT) from KDPOF  further reduces costs for optical in-vehicle networks at 1 Gb/s.

KDPOF significantly lowers costs for the new KD9351 by constructing the transimpedance amplifier, photodiode, LED driver, and LED as one single device.

The assembly of the FOT and the existing KD1053 IC is simplified and the connector offers snap-fit without soldering.

The KD9351 reuses low-cost MEMs encapsulation and allows SMD reflow assembly with 8 by 7 mm LGA components. It is fully shielded against electromagnetic radiation.

Fiber connection is done with a very simple plastic connector placed on top. The temperature range, from -40 °C to +105 °C, conforms with harsh automotive environmental requirements.

The FOT withstands motor conditions with a vibration class of V2. Additionally, the device endures water without sealing. EMC performance is high even with the ECU shield case removed, as shielding is integrated into the PCB component. Optics implement Tx and Rx lenses.

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