PTCCL05H111FTE

Resistance - 25°C (Typ):	40 Ohms
Approvals:	UR
Lead Spacing:	0.197" (5.00mm)
Thickness (Max):	--
Height - Seated (Max):	0.394" (10.00mm)
Size / Dimension:	0.197" Dia x 0.197" W (5.00mm x 5.00mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	0°C ~ 70°C
Series:	PTCCL
Current - Trip (It):	165mA
Current - Hold (Ih) (Max):	110mA
Current - Max:	500mA
Voltage - Max:	145V
Type:	Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PTC Resettable Fuses

PTC resettable fuses are advanced electrical safety devices which are used to protect against electrical overloads, shorts, and other types of over-current conditions. Designed to be reset manually, the PTC Resettable Fuse provides an inexpensive and quick way to restore circuit continuity. The PTC resettable fuse is a resistor-like device that is designed to become a solid electrical conductor once a current overload condition is detected. The device will blow or open, which will interrupt the current, similar to a fuse. When the overload is removed, the resistance of the PTC fuse returns to its original state as a low-resistance conductor. There are no open elements to be replaced, and circuit continuity can be restored with the push of a button.The PTCCL05H111FTE is an example of a general-purpose PTC resettable fuse. It has a rated current of 5A and a rated voltage of 16V DC. The operating temperature range of the device is -40 to +85 °C. The device is packaged in a 3-pin TO-220AB package which fits heavy-duty connectors for power distribution. The PTCCL05H111FTE is classified as a slow-blow fuse. As current gradually rises beyond its rated break current (the current at which the fuses blows open), its resistance slowly increases, allowing the fuse to last for the longer time. This extended time ensures that the low-current levels which are necessary for milliseconds-long power surges don’t cause a false trip.When it comes to the working principle, PTC resettable fuses work much like conventional fuses. As the current rises above the rating of the PTC resettable fuse, the device begins to heat up, which melts a metallic barrier, creating an open circuit. When the overload is removed, the device cools down, and the barrier re-forms, restoring the contact points to close the circuit, thus restoring electricity to the protected circuit.PTC resettable fuses come in a variety of amperages, and are used in many applications in both residential and commercial settings. They are used to protect sensitive electronics from damage due to electrical overloads, and short circuits. They are also commonly used to power a variety of electronic devices, such as PDAs, cell phones, and laptop computers.PTC resettable fuses are an important safety component for many electronics, automotive, and other electronic applications. They provide a quick and inexpensive way to restore continuity of circuit protection, while protecting sensitive equipment from damage. The PTCCL05H111FTE is an example of a common PTC resettable fuse, and can be used in a variety of applications.

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