RF250-800 PolySwitch PPTC Resettable Fuse High Voltage tape inline resettable fuse For Juice Squeezer
RF250-800 PolySwitch Resettable PPTC Devices High Voltage For Juice Squeezer
Positive Temperature Coefficient (PTC) Data Sheet
RF250-800
Product Dimensions (mm)
| A | B | C | D | E | |||||
| Min | Max | Min | Max | Min | Max | Min | Max | Min | Max |
| - | 14.0 | - | 18.5 | 4.5 | 5.5 | 5.0 | - | - | 4.5 |
PERFORMANCE RANTINGS
| IH | IT | Vmax | I max | PD TYP | Time to Trip | Resistance(Ω) | |||
| (A) | (A) | (Vdc) | (A) | (W) | Current(A) | Time(Sec) | Rmin | Rmax | R1max |
| 0.8 | 1.60 | 250 | 5.0 | 4.0 | 1.60 | 60 | 0.40 | 1.00 | 2.0 |
IH: Hold current: maximum current device will pass without interruption in 25℃ still air unless otherwise specified .
IT: Trip current: minimum current at which the device will be tripping in 25℃ .
IMAX: Maximum current device can withstand without damage at rated voltage.
Vmax: Maximum voltage device can withstand without damage at rated current.
Pd: Typical Power dissipation: Typical amount of dissipated by the device when in state air environment.
RMIN: Minimum resistance of device as 25℃ prior to tripping..
RMAX: Maximum resistance of device at 25℃ prior to tripping..
R1max:The maximum resistance of the device at 25℃ 1 hour after being tripped.
Thermal Derating Chart-IH(A)
| Part No | Maximum ambient operating temperatures(℃) | |||||||||
| -40 | -20 | 0 | 20 | 25 | 40 | 50 | 60 | 70 | 85 | |
| RF250-800 | 1.24 | 1.1 | 0.944 | 0.850 | 0.80 | 0.66 | 0.584 | 0.510 | 0.44 | 0.328 |
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