YQB120N2.30 Circuit Protection

Series:	YQ
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Ceramic
Voltage - Max:	80V
Current - Max:	8A
Current - Hold (Ih) (Max):	550mA
Current - Trip (It):	1.1A
Resistance - 25°C (Typ):	2.3 Ohms
Operating Temperature:	0°C ~ 60°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Disc
Size / Dimension:	0.689" Dia x 0.157" W (17.50mm x 4.00mm)
Height - Seated (Max):	--
Thickness (Max):	--
Lead Spacing:	0.201" (5.10mm)
Approvals:	--

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PTC Resettable FusesPTC resettable fuses (Polymer Positive Temperature Coefficient Resettable Fuses) are an active electronic protection device that are designed to detect overload conditions and limit any additional current flowing through the system. This type of fuse is useful for preventing electrical fires, circuit failures and other types of current overloads.The YQB120N2.30 is an example of one such PTC resettable fuse. It is a 120V AC, 1A rated resettable fuse and is designed to prevent overheating, short circuits, over-voltage, and any other type of electrical overload. It is an ideal choice for use in a wide variety of applications, including automotive, medical, consumer electronics, lighting, industrial, and telecommunications.The most common application field for YQB120N2.30 PTC resettable fuse is the automotive sector. These fuses are designed to prevent electrical overloads and short circuits in electrical systems of cars, trucks, and fleets. They are designed to detect any current imbalance and divert the extra current to ground when an overload occurs, thus protecting the system from further damage. Also, they are often used in critical systems, such as airbags, fuel systems, and brakes, to increase safety levels in vehicles. Other applications for YQB120N2.30 devices include medical equipment, consumer electronics, lighting fixtures, industrial applications, and telecommunications. In these cases, the PTC resettable fuses can provide protection against over-current surges, short circuits, and surges caused by lightning or other electrical problems.The working principle of PTC resettable fuses is based on the phenomenon of thermistor, which is a type of heat sensitive resistor. When an overload occurs, the thermistor begins to heat up and reduces its resistance. This creates a voltage drop across the device and interrupts the flow of current. Once the device cools down, the current is allowed to pass through again, thus resetting the fuse. Because of this, PTC resettable fuses are sometimes referred to as “self-resetting fuses”.The YQB120N2.30 PTC resettable fuse is a valuable device for providing overload protection for electrical systems. It is simple to install and highly reliable, making it an ideal choice for a wide variety of applications. With its thermistor based working principle, it is able to detect and respond to current imbalances quickly and safely, helping to prevent electrical fires, circuit failures and other types of current overloads.

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