LVR008S

Resistance - Initial (Ri) (Min):	7.4 Ohms
Approvals:	CQC, CSA, TUV, UL
Lead Spacing:	0.200" (5.08mm)
Thickness (Max):	--
Height - Seated (Max):	0.430" (10.70mm)
Size / Dimension:	0.327" Dia x 0.150" W (8.30mm x 3.80mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-20°C ~ 85°C
Resistance - Post Trip (R1) (Max):	26 Ohms
Series:	PolySwitch®, LVR
Time to Trip:	10s
Current - Trip (It):	190mA
Current - Hold (Ih) (Max):	80mA
Current - Max:	1.2A
Voltage - Max:	240V (265V Int)
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses: LVR008S Application Field and Working Principle

PTC Resettable Fuses (Polymeric Positive Temperature Coefficient Fuses) are a type of fuse used for the purpose of protecting the circuit from over-currents. It works by using a polymer-based material which has the unique property of increasing in resistance when exposed to heat. This increase in resistance limits the current flow through the circuit, preventing it from reaching potentially damaging levels.The LVR008S is a particular type of PTC Resettable Fuse commonly used in applications where the current and temperature need to be controlled. It is suitable for use in both low-voltage and high-voltage circuits alike. It has a low resistance at lower temperatures, which means that it can be used to limit current and protect circuits. This is very important for things such as computers, digital TVs, and other digital equipment which relies on being able to run at the correct voltage.The working principle of the LVR008S PTC Resettable Fuse is fairly simple. It uses a combination of a heat-sensitive polymer and a NTC (Negative Temperature Coefficient) material. When the device is exposed to heat, the polymer absorbs the heat and expands, increasing the resistance of the device. This causes the current in the circuit to drop off, protecting the circuit from being damaged by the high current. When the temperature drops back down, the polymer contracts back to its original state, restoring the circuit to its normal state.The LVR008S PTC Resettable Fuse is probably one of the best solutions available for providing temperature and current protection in circuits. Its low resistance and ability to sense temperature in a range of applications makes it very versatile and reliable. The device itself is relatively small, making it easy to install and integrate into a variety of systems.Overall, the LVR008S PTC Resettable Fuse is an excellent choice for protecting current and temperature sensitive circuits from over-currents. It is small enough to fit into the smallest of spaces, and its heat-sensing properties make it reliable and efficient. Its versatility makes it suitable for use in a wide variety of applications, and its low resistance at low temperatures ensures that it can be used to control both high and low voltages. Its temperature sensing properties make it ideal for applications where the temperature of the device needs to be monitored.

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