維安自恢復(fù)保險(xiǎn)絲LP-SM 2920系列PPTC特點(diǎn): 電阻低   過(guò)流保護(hù)  過(guò)溫度保護(hù)  可重復(fù)使用

Features :Small size of 2920/3425,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.

特點(diǎn)：2920/3425小尺寸，快速跳閘可復(fù)位電路保護(hù)，自動(dòng)組裝的表面貼裝封裝，機(jī)構(gòu)認(rèn)可：UL、CSA、TUV。

IH=保持電流：在25℃靜止空氣中設(shè)備不會(huì)跳閘的最大電流。

IT=跳閘電流：裝置在25℃靜止空氣中始終跳閘的最小電流。

Vmax=設(shè)備在額定電流下能夠承受的最大電壓，且不會(huì)損壞。

Imax=設(shè)備在額定電壓下能夠承受的最大故障電流，且不會(huì)造成損壞。

最大跳閘時(shí)間=指定電流下的最大跳閘時(shí)間。

Pd max=最大功耗：設(shè)備在空氣環(huán)境中的最大功耗。

Rmin=跳閘前25℃時(shí)的最小設(shè)備電阻。

Rmax=跳閘前25℃時(shí)的最大設(shè)備電阻。

R1max=裝置首次跳閘一小時(shí)后25℃時(shí)的最大裝置電阻。