The 72R Series is designed to provide overcurrent protection to 72Vdc maximum voltage with a maximum 40A short circuit rating.
Features:
RoHS compliant and lead-free
72Vdc Max Voltage w/max 40A Short Circuit rating
Resettable feature
Ideal for a broad range of general electronics using a low voltage power supply
Applications:
Load protection on wide range of low voltage power supplies
Computers
Computer peripherals
General electronics
Images
Demension
Space
Littelfuse,POLY-FUSE Resettable PTCs,Radial Lead Fuses, 72R series, designed in America
Electrical properties
Model
Ihold (A)
Itrip (A)
Vmax (Vdc)
Imax (A)
Pd typ. (W)
Maximum Time To Trip
Resistance
Agency Approvals
Current (A)
Time (Sec.)
Rmin (Ω)
R1max (Ω)
72R020X
0.20
0.40
72
40
0.41
1.00
2.20
1.830
4.400
×
×
72R025X
0.25
0.50
72
40
0.45
1.25
2.50
1.250
3.000
×
×
72R030X
0.30
0.60
72
40
0.49
1.50
3.00
0.880
2.100
×
×
72R040X
0.40
0.80
72
40
0.56
2.00
3.80
0.550
1.290
×
×
72R050X
0.50
1.00
72
40
0.77
2.50
4.00
0.500
1.170
×
×
72R065X
0.65
1.30
72
40
0.88
3.25
5.30
0.310
0.720
×
×
72R075X
0.75
1.50
72
40
0.92
3.75
6.30
0.250
0.600
×
×
72R090X
0.90
1.80
72
40
0.99
4.50
7.20
0.200
0.470
×
×
72R110X
1.10
2.20
72
40
1.50
5.50
8.20
0.150
0.380
×
×
72R135X
1.35
2.70
72
40
1.70
6.75
9.60
0.120
0.300
×
×
72R160X
1.60
3.20
72
40
1.90
8.00
11.40
0.090
0.220
×
×
72R185X
1.85
3.70
72
40
2.10
9.25
12.60
0.080
0.190
×
×
72R250X
2.50
5.00
72
40
2.50
12.50
15.60
0.050
0.130
×
×
72R300X
3.00
6.00
72
40
2.80
15.00
19.80
0.040
0.100
×
×
72R375X
3.75
7.50
72
40
3.20
18.75
24.00
0.030
0.080
×
×
Vmax=Maximum voltage device can withstand without damage at rated current (Imax).
Imax=Maximum fault current device can withstand without damage at rated voltage (Imax).
Ihold=Hold Current: Maximum current device will sustain for 4 hours without tripping in 25oC still air.
Itrip=Trip Current: minimum current at which the device will trip in 25oC still air.
Pd=Power dissipated from device when in the tripped state at 25oC still air.
Ri=Minimum/Maximum resistance of device in initial (un-soldered) state.
R1max=Maximum resistance of device at 25oC measured one hour after tripping.
Caution=operation beyond specified ratings may result in damage and possible arcing and flame.
Payment & Shipping
FAQ
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4. I want to order but worry about if the parts are genuine, can I get an guarantee?
We assures all parts are genuine and we offer refund guarantee
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Yes, you can cancel the order which is unpaid by yourself. Change order or cancel paid orders, please contact customer service.
6. Can I order the parts which is out of stock?
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