It would be necessary to connect a limiting resistor in series with the lamp . 须用一个限流电阻同灯泡串联起来。
Built - in current limiting resistors and anti - polarity protection diode 内置式电流限制电阻器和反极性保护二极管
Clr current - limiting resistor 限流电阻器
Fusing resistors and temperature - limited resistors for radio - and television - type appliances 收音机和电视类设备用熔丝电阻器和限温电阻器
When the signal source of an op - amp contains an energizing voltage which is much higher than the op - amp supply it is common to use a diode and a current limiting resistor to protect the op - amp in the event of a sensor short - circuit 为了防止信号源窜入高压损坏放大器,常见的做法是在放大器输入端到放大器电源间串接一个二极管,并且在放大器输入端串接一个限流电阻。