VLP220SLF

Series:	PolySwitch®, VLP
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Polymeric
Voltage - Max:	16V
Current - Max:	60A
Current - Hold (Ih) (Max):	2.2A
Current - Trip (It):	5.3A
Time to Trip:	5s
Resistance - Initial (Ri) (Min):	17 mOhms
Resistance - Post Trip (R1) (Max):	58 mOhms
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	User Defined
Package / Case:	Strap
Size / Dimension:	0.917" L x 0.154" W (23.30mm x 3.90mm)
Height - Seated (Max):	--
Thickness (Max):	0.032" (0.80mm)
Lead Spacing:	--
Approvals:	CSA, TUV, UL

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PTC Resettable Fuses

A PTC Resettable Fuse, or Polymeric Positive Temperature Coefficient fuses, are used for providing electrical protection against short circuits and overloads. This type of fuse is designed to automatically re-energize after a protective circuit has been tripped or interrupted. These types of fuses work by utilizing a resistor and a PTTC element to create an electrical current flow when a certain amount of current is applied to the circuit. The current will then flow in a specific pattern as the voltage is applied, causing the fuse to eventually trip or interrupt the circuit.The VLP220SLF is a type of PTC Resettable Fuse that is specifically designed for use in low-voltage applications. It features a fast-acting response and the ability to reset itself when the circuit has been successfully interrupted. This type of PTC Resettable Fuse is perfect for small space, low-voltage applications which require reliable protection and quick response times.The VLP220SLF features a unique design which allows it to detect changes in the load current as soon as the load voltage reaches a certain level. This allows it to trip the circuit before too much current can be drawn, which prevents damage to the connected components. Additionally, the device also has an integrated self-resetting timer which will automatically reset the circuit and restore it to normal operation after a predetermined period of time.As far as working principle is concerned, the VLP220SLF works by utilizing a series of components to detect the load current and then trip the circuit when the current has become too high. This is accomplished by using a voltage-sensing switch as well as a PTC element which sense when the current begins to surpass a certain level. Once the current is detected, the voltage-sensing switch turns off, which then causes the PTC element to output a low voltage. This low voltage then reduces the current in the circuit, resulting in the fuse tripping.The VLP220SLF application field encompasses a wide variety of areas in which reliable and low-cost over-current protection is required. Its primary use is in consumer electronics, such as personal computers, laptop computers, cell phones, tablets, and other electronic devices. It can also be used in automotive wiring, small appliances, industrial motors and control circuits, as well as in communications, distributed power, and medical electronics. The VLP220SLF provides many advantages over other types of over-current protection devices. It is a low-cost solution which is ideal for applications in which cost and space are limited, and the device is highly reliable and efficient. In addition, its self-resetting timer ensures that the fuse will automatically reset itself after each short circuit, providing continuous protection without any user intervention. Overall, the VLP220SLF provides a reliable, cost-effective, and efficient solution for protecting small electronic components from current overloads. Its unique design allows it to detect changes in the load current in a timely manner and trip the circuit before overloads occur. Additionally, the self-resetting timer ensures that the circuit is properly reset and ready to use again without any user intervention. The wide range of applications for which this PTC Resettable Fuse is used make it a extremely useful and versatile device.

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