PTGL07ARR47M1B51A0

Resistance - 25°C (Typ):	470 mOhms
Approvals:	--
Lead Spacing:	0.197" (5.00mm)
Thickness (Max):	--
Height - Seated (Max):	0.472" (12.00mm)
Size / Dimension:	0.295" Dia x 0.138" T (7.50mm x 3.50mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-10°C ~ 60°C
Series:	POSISTOR®, PTGL
Current - Trip (It):	1.31A
Current - Hold (Ih) (Max):	705mA
Current - Max:	5A
Voltage - Max:	16V
Type:	Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	--

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PTGL07ARR47M1B51A0 Resettable Fuses Application Field and Working Principles

Resettable fuses are rapidly gaining ground in the electronic marketplace. PTGL07ARR47M1B51A0 resettable fuses, a type of PTC Resettable Fuses, have the distinct advantage over traditional fuses in that they can be reset without having to replace the actual fuse. This eliminates the inconvenience and cost associated with traditional fuse replacement.

The PTGL07ARR47M1B51A0 PTC resettable fuse is a low resistance, high-capacity, ultra-micro fuse. It can be used to protect a variety of current-consuming electronic goods such as TV sets, ac/dc adapters, laptops, and other digital products. It\'s resettable feature allows it to reset automatically after a brief over current event. This helps to ensure the longevity of the protected equipment.

The working principle of PTGL07ARR47M1B51A0 resettable fuse is based on a property of polymeric materials known as “positive temperature coefficient”. This property controls the electrical conductivity of the fuse element. When the fuse is subjected to an over-current, its temperature rises, resulting in an increase in electrical resistance. This increase in electrical resistance causes the fuses current carrying capability to drop, thereby restricting the current flowing through the device.

When the over-current situation decreases, the device’s temperature drops, allowing the electrical conductivity of the fuse element to return to its pre-over-current state. This makes it a resettable device, allowing it to be reset without having to replace the actual device.

The advantages of using PTGL07ARR47M1B51A0 resettable fuses are widely recognized. In addition to avoiding the hassle and costs associated with replacing a traditional fuse, PTC resettable fuses provide greater reliability in the long run by automatically resetting upon an over current event, thereby protecting the device it is attached to. Furthermore, they offer a wide array of protection levels, making them a great solution for a variety of devices and applications.

In summary, PTGL07ARR47M1B51A0 resettable fuses are rapidly gaining popularity due to their convenience and reliability. By offering automatic resetting after an over current event, they offer a great solution to protecting current-consuming electronic products. As the electronic market grows, more and more devices and applications will be making use of PTC resettable fuses.

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