Series:	0ZRC
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymeric
Voltage - Max:	90V
Current - Max:	40A
Current - Hold (Ih) (Max):	750mA
Current - Trip (It):	1.5A
Time to Trip:	6.3s
Resistance - Initial (Ri) (Min):	250 mOhms
Resistance - Post Trip (R1) (Max):	600 mOhms
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Disc
Size / Dimension:	0.409" L x 0.122" W (10.40mm x 3.10mm)
Height - Seated (Max):	0.598" (15.20mm)
Thickness (Max):	--
Lead Spacing:	0.201" (5.10mm)
Approvals:	cURus, TUV

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PTC Resettable Fuses

PTC Resettable Fuses (PRFs) are a type of electronic fuse that is designed to protect power systems in devices from overcurrent, short circuits, and other potentially harmful events. They are composed of a polymeric material, usually polyethylene, that contains positive temperature coefficient (PTC) thermistors and a conductive element. In the event of an overload or short circuit, the thermistor element heats up and makes the device open, stopping the flow of electricity.

0ZRC0075FF2E Application Field and Working Principle

The 0ZRC0075FF2E PTC Resettable Fuse is a low-cost, easy to use electronic protection device designed to protect loads from overcurrent, short circuits, and other potential hazards. This fuse is UL Recognized for use in Power Over Ethernet (PoE) systems up to 100VDC and is rated for 6A and 50VDC. Its nominal resistance is 0.23 Ohms and it has a typical trip time of 60ms at 6 amps and 40ms at 4.4A.The 0ZRC0075FF2E PTC Resettable Fuse works by combining a PTC thermistor element and a conductive element into a single package. The thermistor element consists of a material that has a positive temperature coefficient, meaning that its resistance increases with temperature. When the current through the device exceeds the rated value, it causes the thermistor to heat up, which in turn causes its resistance to increase. This drastically reduces the current flowing in the circuit, limiting the power delivered and preventing any damage it may cause to the load.When the short circuit or overload is removed, the device slowly cools down and the thermistor resets itself to its original, low-resistance state, re-enabling the flow of current. This resetting of the PTC resettable fuse provides a much more cost effective and reliable protection than a traditional fuse.

Applications and Benefits

The 0ZRC0075FF2E PTC Resettable Fuse is widely used in power systems due to its several advantages over traditional fuses. Its resetting capability eliminates the need to replace it with every short circuit and protects the load from further damage. Its low cost, easy to use features and UL Recognition make it ideal for use in most power applications. The 0ZRC0075FF2E PTC Resettable Fuse is also widely used in consumer electronics such as laptop chargers, USB hubs, power adapters, and other devices which require reliable and effective protection from electrical damage. It can also be used in automotive applications, providing both overcurrent protection and overload protection.

Conclusion

The 0ZRC0075FF2E PTC Resettable Fuse is a low-cost, easy to use electronic protection device which has a wide range of applications in the power and consumer electronics industries. Its resetting capability and its UL Recognized rating make it an ideal choice for added protection in PoE systems and consumer electronics. Its low cost makes it an attractive choice compared to traditional fuses which need to be replaced with each incident.

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