The extremely compact devices include highly durable conductive resin-based electrodes and provide noise control function

The increasing demand for advanced driver-assistance systems (ADAS) has consequently led to increased demands for automotive cameras. Forward sensing cameras and cameras for around view monitors utilise common-mode filters as anti-noise products. However, as the conventional multilayer common-mode filter operates within a temperature range of -40 and +105℃, it cannot be used for ADAS cameras.
To address this, TDK Corporation has developed the KCZ1210AH series of miniaturised common-mode filters for automotive applications. The series is extremely compact and provides a noise control function for different transmission signal lines for automobiles. Applications include high-speed interface (USB2.0, LVDS, etc.) and advanced driver-assistance systems (ADAS)
Not only does it achieve a temperature range from -55 to +125℃, but it also has a rated current max. of 100 and a rated voltage max. of 5. The device’s conductive resin-based electrode controls product cracks due to thermal shock and increases durability against mechanical stresses, such as substrate strains.

Key Features

Common-mode Impedance [Ω] @100MHz: 90±25%
DC resistance (1 line)[Ω] max.: 1.75
Rated current [mA] max.: 100
Rated voltage [V] max.: 5
Operable at 125°C, the maximum temperature
Adoption of a conductive resin-based electrode reduces mechanical and thermal stresses

Measuring 1.25 (L) x 1.0 (W) x 0.5 mm (H), the KCZ1210AH series can now be obtained from TDK Corporation. The company is working to enhance its inductive devices for ADAS and will expand its line of miniaturised common-mode filters supporting higher-speed differential signals. 

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