PPTC特点: 电阻低   过流保护  过温度保护  可重复使用

Features：Wide range of rated operation current, maximum 15A,Wide range of rated operation voltage, maximum 75V,Lower resistance, lower voltage drop,Configuration and dimension can be customized,No Electromagnetic noise,Operation temperature: -40℃～85℃/125℃,Use wave soldering for assembly which applies to automatic mass production. 

IH=Hold current: maximum current at which the device will not trip at 25℃ still air.

IT=Trip current: minimum current at which the device will always trip at 25℃ still air.

Vmax=Maximum voltage device can withstand without damage at rated current.

Imax=Maximum fault current device can withstand without damage at rated voltage. 

Max Time-to-trip=Maximum time to trip(s) at assigned current.

Pd max=Maximum power dissipation: maximum power dissipated by the device when in state air environment.

Rmin=Minimum device resistance at 25℃ prior to tripping.

Rmax=Maximum device resistance at 25℃ prior to tripping.

R1max=Maximum device resistance at 25℃, of device one hour after being tripped the first time.

特点：额定工作电流范围宽，最大15A，额定工作电压范围宽，最大75V，电阻低，压降小，结构尺寸可定制，无电磁噪声，工作温度：-40℃～85℃/125℃，组装采用波峰焊，适用于自动化批量生产。

IH=保持电流：在25℃静止空气中设备不会跳闸的最大电流。

IT=跳闸电流：装置在25℃静止空气中始终跳闸的最小电流。

Vmax=设备在额定电流下能够承受的最大电压，且不会损坏。

Imax=设备在额定电压下能够承受的最大故障电流，且不会造成损坏。

最大跳闸时间=指定电流下的最大跳闸时间。

Pd max=最大功耗：设备在空气环境中的最大功耗。

Rmin=跳闸前25℃时的最小设备电阻。

Rmax=跳闸前25℃时的最大设备电阻。

R1max=装置首次跳闸一小时后25℃时的最大装置电阻。