In summary, CAN-bus (controller area network) is a standard designed to allow microcontrollers and other devices to communicate with each other within a vehicle without a host computer. Today’s modern automobile can have as many as seventy electronic control units (ECU) for various subsystems. Pulse Electronics, a YAGEO Company offers automotive chipchokes to provide EMI suppression in CAN-bus networks and increase system reliability by filtering and/or reducing the amount of unwanted high-frequency noise. The PE-1812ACC series products are manufactured and fully tested to ensure they meet or exceed all AEC-Q200 requirements.