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| Categories | PPTC Resettable Fuse | 
|---|---|
| Brand Name: | RF | 
| Model Number: | RF30-185 | 
| Certification: | UL/ROHS | 
| Place of Origin: | China | 
| MOQ: | 1000pcs | 
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram | 
| Supply Ability: | 1kk/m | 
| Delivery Time: | 5-8 work days | 
| Packaging Details: | 1000/bag | 
| Rated Voltage Dc: | 30VDC | 
| Application: | Wide variety of electronic equipment | 
| Maximum Current: | 100A | 
| Temperature Coefficient: | PTC | 
| I Trip: | 3.7A | 
| Max Voltage: | 30V | 
| Color: | Yellow | 
| Rohs Compliant: | Yes | 
| Type: | Polymer Positive Temperature Coefficient Fuse | 
| Operating Voltage Range: | 6V - 30V | 
| Operating Temp: | -40℃---+85℃ | 
| Company Info. | 
| Yantai Rongfan Electronic Technology Co., Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Positive Temperature Coefficient (PTC) Data Sheet
RF30-185

Product Dimensions (mm)
| A | B | C | D | E | |||||
| Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | 
| - | 10.2 | - | 15.7 | 4.5 | 5.5 | 7.6 | - | - | 3.0 | 
| IH | IT | Vmax | I max | PD TYP | Maximum Time to Trip | Resistance(Ω) | |||
| (A) | (A) | (Vdc) | (A) | (W) | Current(A) | Time(Sec) | Rmin | Rmax | R1max | 
| 1.85 | 3.7 | 30 | 40 | 1.0 | 9.25 | 8.7 | 0.03 | 0.06 | 0.09 | 
IH: Hold current: maximum current device will pass without interruption in 20℃ still air unless otherwise specified .
IT: Trip current: minimum current at which the device will be tripping in 20℃ .
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 20℃ prior to tripping..
RMAX: Maximum resistance of device at 20℃ prior to tripping..
R1max:The maximum resistance of the device at 20℃ 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 | |
| RF30-185 | 2.87 | 2.59 | 2.28 | 1.85 | 1.81 | 1.63 | 1.52 | 1.33 | 1.21 | 1.05 | 

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