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Electromagnetic Compatibility (EMC) Testing

What is Electromagnetic Compatibility (EMC) Testing?

EMC testing evaluates whether automotive electronic components operate normally in the internal/external electromagnetic environment of an automotive system and do not interfere with other electronic systems. Through tests such as conducted/radiated emissions and immunity, EMC is ensured to minimize interference between electronic devices and improve automotive safety and reliability.

Test Items

  • EMI (Electromagnetic Interference) Test

    • Purpose : Simulates electromagnetic interference to check emissions affecting other devices
    • Test Items : Radiated Emission (RE), Conducted Emission (CE), Transient Emission (TE)

  • EMS (Electromagnetic Susceptibility/Immunity) Test

    • Purpose : Simulates susceptibility/immunity to external electromagnetic interference
    • Test Items : Radiated Immunity (RI), Conducted Immunity (CI), Transient Immunity (TI)

  • Electrical Characteristics Test

    • Purpose : Evaluates durability against electrical stress from automotive battery conditions
    • Test Items : Overvoltage, Voltage interruption, Short-circuit, Intermittent operation

Key Standards

MIL-STD-461 E/F/G, CISPR25, ISO11452-2/4/8/9, ISO7637-2/3, ISO10605, ISO16750-2, ES96200-00, ES95400-10, SES E 922