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。
III - Product - Radial Leaded PTC
Part Number Hold Trip Rated Resistance Tolerance Current Current to Trip Current Voltage Power RMIN R1MAX IH, A 0.10 0.17 0.40 0.75 0.90 1.60 1.85 3.75
IT, A 0.20 0.34 0.80 1.50 1.80 3.20 3.70 7.50
at 5xIH, s 4.0 3.0 3.8 6.3 7.2 11.4 12.6 24.0
IMAX, A 40 40 40 40 40 40 40 40
VMAX, VDC
60 60 60 60 60 60 60 60
Pd, W 0.38 0.48 0.56 0.92 0.99 1.90 2.10 3.20
Ohms 2.50 2.00 0.55 0.25 0.20 0.09 0.08 0.03
Ohms 7.50 8.00 1.29 0.60 0.47 0.22 0.19 0.08
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: FRX005-60F~FRX090-60F Tin plated copper, 24 AWG. FRX110-60F~FRX375-60F Tin plated copper, 20 AWG. Soldering characteristics: MIL-STD-202, Method 208E.
Insulating coating:Flame retardant epoxy, meets UL 94 V-0 requirement.
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