Yantai Rongfan Electronic Technology Co., Ltd
Yantai Rongfan Electronic Technology Co., Ltd
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Positive Temperature Coefficient (PTC) Data Sheet
RF250-1200
Product Dimensions (mm)
| A | B | C | D | E | |||||
| Min | Max | Min | Max | Min | Max | Min | Max | Min | Max |
| - | 16.0 | - | 23.0 | 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 |
| 1.2 | 2.40 | 250 | 10.0 | 5.0 | 2.4 | 60 | 0.25 | 0.50 | 1.00 |
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 | |
| RF250-1200 | 1.86 | 1.65 | 1.41 | 1.27 | 1.20 | 0.99 | 0.87 | 0.76 | 0.66 | 0.49 |
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