自恢复保险丝型号汇总(11)

本文档是某国际大品牌公司的产品手册,汇集了自恢复保险丝的所有型号。在设计过程中可以用来选型,画器件封装,计算参数等等。

- Product - Radial Leaded PTC III

Electrical Characteristics(23℃)

Part Number Hold Trip Max. Current Current To Trip Current IH, A 1.10 1.35 3.00 6.00 7.00 IT, A 2.20 2.70 6.00 12.00 14.00 at 5xIH, s 6.6 7.3 10.8 16.0 17.5 IMAX, A 40 40 40 40 40 Rated Typical Voltage Power VMAX, VDC Pd, W

30 0.7 30 0.8 30 2.0 30 3.5 30 3.8 Resistance

Tolerance RMIN R1MAX Ohms 0.050 0.040 0.020 0.005 0.005 Ohms 0.170 0.130 0.080 0.040 0.030

IH=Hold current-maximum current at which the device will not trip at 23℃ still air. IT=Trip current-minimum current at which the device will always trip at 23℃ still air. V MAX=Maximum voltage device can withstand without damage at its rated current.

I MAX= Maximum fault current device can withstand without damage at rated voltage (Vmax). Pd=Typical power dissipated from device when in the tripped state in 23℃ still air environment. RMIN=Minimum device resistance at 23℃.

R1MAX=Maximum device resistance at 23℃, 1 hour after tripping. Physical specifications:

Lead material: FRU090-30F~FRU250-30F Tin plated copper, 24 AWG.

FRU300-30F~FRU900-30F Tin plated copper, 20 AWG.

Soldering characteristics: MIL-STD-202, Method 208E.

Insulating coating:Flame retardant epoxy, meets UL 94 V-0 requirement.