汽车电子产品为什么这么贵？

a 气候实验
Low Temperature Storage
High Temperature Storage
Low Temperature Operation
High Temperature Operation
Cyclic Temperature and Humidity
Moisture Susceptibilityity
Thermal Shock
Power Temperature Cycle
Module Durability

b 机械试验
Mechanical Shock
Vibration Endurance
Free Drop

c 化学实验
Enclosure Protection against Dust and other chemical material

d 电气
Reverse Battery Polarity
Over Voltage
Jump Start
Ground offset
Short circuit on IO port
Intermittent Short Circuit on Load Circuits

f. EMC
Transient Emissions on Power Supply Line
Transient Immunity by Capactive and Inductive Coupling via Lines
Conducted Disturbances from Compnents/Modules
Radiated Emissions from Compnents/Modules
Immunity of Electronic Components to Electromagnetic Fields
Immunity of Modules to Electromagnetic Radiation
Electronic Disturbances from Electrostatic Discharge (ESD)

第一部分的特点就是耗时长，需要多组样品在高低温箱里面长时间实验，特别是老化试验，有时候厂家还要求Run to fail。第二组就是需要振动和冲击的场地，这需要钱。第三组化学粉尘和试剂都是属于一开无用的东西。第四组电气试验相对最省钱。第五组EMC实验最费钱，基本属于外面认证1小时多少钱的那种。

实验如果一遍完成那至少也要30W以上，如果出现问题费用上浮20%以上。两轮验证60W，摊到量不大的产品上价格不贵才怪。