维安自恢复保险丝LP-USM 1210系列PPTC特点: 电阻低   过流保护  过温度保护  可重复使用

Features :Small size of 1210,Fast tripping resettable circuit protection, Surface mount packaging for automated assembly,Agency recognition: UL、CSA、TUV.

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：小尺寸1210，快速跳闸可复位电路保护，表面贴装封装用于自动组装，机构认可：UL、CSA、TUV。

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。