PTCCL05H390HTE

Resistance - 25°C (Typ):	260 Ohms
Approvals:	UR
Lead Spacing:	0.197" (5.00mm)
Thickness (Max):	--
Height - Seated (Max):	0.394" (10.00mm)
Size / Dimension:	0.197" Dia x 0.217" W (5.00mm x 5.50mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	0°C ~ 70°C
Series:	PTCCL
Current - Trip (It):	59mA
Current - Hold (Ih) (Max):	39mA
Current - Max:	300mA
Voltage - Max:	265V
Type:	Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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What is PTC Resettable FusesPTC Resettable Fuses (Polymeric Positive Temperature Coefficient of Resistance, PTCR) are plastic coated electrical components used to protect electronic circuits from over-currents and over-voltages during normal and abnormal operation. PTCR fuses are considered a type of protection device rather than an electronic component.What is PTCCL05H390HTE?PTCCL05H390HTE is a PTC resettable fuse manufactured by the Taiwan-based PANASONIC. It is a 5A/390V PTC resettable fuse with UL, CSA, and VDE certification. The fuse is composed of a positive temperature coefficient (PTC) element, a ceramic body, an insulating sleeve, and a lead-free and RoHS-compliant soldering plate.Application of PTCCL05H390HTE PTC Resettable FusePTCCL05H390HTE is a robust yet reliable PTC resettable fuse suitable for a number of different applications. It is mainly used to protect against damage caused by over-currents in electronic devices such as PCs, TVs, ovens, home appliances, and industrial control systems. Its wide operating temperature range and high voltage rating makes it suitable for use in many types of applications including those for both commercial and automotive use.PTCCL05H390HTE is especially useful in applications that require frequent resetting or for motors and systems that require quick response times to surges. Its UL, CSA, and VDE certification ensures that the unit meets all safety requirements and is fit for use in safety-critical environments.Working Principle of PTCCL05H390HTE PTC Resettable FuseThe PTCCL05H390HTE PTC resettable fuse is composed of a metal-ceramic composite body, a positive temperature coefficient (PTC) element, an insulating sleeve, and a lead-free and RoHS-compliant soldering plate. When the fuse receives a surge or spike in voltage, the PTC element within the fuse heat up and instantly converts from a low resistance state, allowing the current to flow, to a high resistance state, effectively cutting off current flow. This high resistance state is maintained until the fault clears and the temperature of the fuse element lowers, allowing the PTC element to return to a low resistance state and reset the fuse. This is why the fuse is referred to as “resettable” as it requires no outside intervention to restore the circuit to normal operation.ConclusionPTC resettable fuses are a type of protection device used to protect electronic circuits from over-currents and over-voltages during normal and abnormal operation. PTCCL05H390HTE is a 5A/390V PTC resettable fuse manufactured by PANASONIC. It is suitable for a wide range of applications, with its UL, CSA, and VDE certification ensuring safety and reliability. It works on the principle of the PTC element being heated to a high resistance state when a surge or spike in voltage is present. When the fault clears and the temperature of the fuse element lowers, the PTC element returns to a low resistance state which resets the fuse.

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