原装畅销·品牌齐全·海量型号·库存充足
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PPTC特点: 电阻低 过流保护 过温度保护 可重复使用
Features :Radial leaded devices,High voltage surge capabilities, UL94 V-0 insulating material,Agency Recognition: UL、CSA、TUV,Lead-free and compliant with the European Union RoHS Directive 2011/65/EU.
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:径向引线器件,高压浪涌能力,UL94 V-0绝缘材料,机构认可:UL、CSA、TUV,无铅,符合欧盟RoHS指令2011/65/EU。
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。