Views: 20 Author: Site Editor Publish Time: 2021-12-17 Origin: Site
In recent years, with the advancement of multifunctional in-vehicle application equipment, and in the process of popularization of hybrid vehicles and electric vehicles, new applications such as power monitoring functions have also been expanding, and vehicle parts have been reduced in size and high-temperature environmental conditions. The requirements for high reliability under low temperature[Thermal Shock Chamber] (-40～+125℃, -55℃～+175℃) are increasing.
A car is composed of many parts. Although these parts are large and small, they are all closely related to the life safety of car driving. Therefore, each part must be required to achieve the highest quality and reliability, or even zero. The ideal state of defects, so in the automotive industry, the importance of quality control of auto parts often overrides the functionality of the parts.
At present, in the automotive industry, the standard for component qualification and quality system is AEC (Automotive Electronics Council), the standard designed for active components is [AEC-Q100], and the design for passive components is [AEC-Q200]. Standardize the product quality and reliability that must be achieved by passive components.
Classification of passive components used in automobiles:
Automotive grade electronic components (in accordance with AEC-Q200), commercial electronic components, power transmission components, safety control components, comfort components, communication components, audio components
Parts that meet the AEC-Q200 standard. Summary:
Quartz oscillator: application range [tire pressure monitoring system (TPMS), navigation, anti-lock braking system (ABS), airbag and proximity sensor, car multimedia, car entertainment system, backup camera lens]
Automotive thick film chip resistors: application range [car cooling and heating systems, air conditioning, infotainment systems, automatic navigation, lighting, door and window remote control devices]
Automotive sandwich metal oxide varistors: application range [surge protection of motor components, surge absorption of components, semiconductor overvoltage protection]
Low-temperature-resistant surface-mount solid-state molded chip tantalum capacitors: application range [fuel quality sensor, transmission, throttle valve, transmission control system]
Resistors: SMD resistors, thin film resistors, thermistors, varistors, anti-sulfuration resistors for vehicles, precision thin film chip resistor arrays for vehicles, variable resistors
Capacitors: SMD capacitors, ceramic capacitors, aluminum electrolytic capacitors, film capacitors, variable capacitors
Inductance: Reinforced inductance, inductor
Others: LED thin-film alumina ceramic heat sink substrate, ultrasonic components, over-current protection SMD, over-temperature protection SMD, ceramic resonators, automotive PolyDiode semiconductor ceramic electronic protection components, network chips, transformers, network components, EMI interference suppression Filter, EMI interference filter, self-recovery fuse
Environmental test chamber in line with AEC-Q200 standard:
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