Resistance - Initial (Ri) (Min):	152 mOhms
Approvals:	UL
Lead Spacing:	0.400" (10.15mm)
Thickness (Max):	--
Height - Seated (Max):	1.071" (27.20mm)
Size / Dimension:	0.984" L x 0.175" W (25.00mm x 4.40mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	482 mOhms
Series:	PolySwitch®, LVB
Time to Trip:	5s
Current - Trip (It):	2.5A
Current - Hold (Ih) (Max):	1.25A
Current - Max:	12.5A
Voltage - Max:	240V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses--LVB125 Application Field and Working Principle

PTC resettable fuses, also known as polymeric positive temperature coefficient (PPTC) fuses, are electrical components that work as current-limiting devices. They are mainly used to protect electrical wires, cables, circuit boards, and other components from high voltages and short circuits. LVB125 is a type of PTC resettable fuses designed for protection against over-current conditions in high power applications. It is used to protect consumer electronics from damaging currents, including laptop computers, camcorders, digital cameras, and gaming consoles. It offers optimized characteristics and reliable performance.The LVB125 has a reset mechanism that allows it to automatically reset itself and re-establish power once the over-current situation is removed. The reset mechanism contains a heating element which, when heated, opens the circuit and interrupts power. When the over-current condition is removed, the heating element cools down and the reset mechanism allows it to automatically close the circuit again, thus allowing power to be re-established.The LVB125 has a high current rating, up to 8amps, and is designed for high power applications. It has a wide operating voltage range from 6-20 Volts. The device can also handle temperatures up to 135℃, making it suitable for a range of applications. The fuse is constructed with a polyimide film and resin which allows it to be highly resistant to external environmental factors.The LVB125 is a cost-effective solution for protecting high power applications. It is considered to be an ideal replacement for traditional motor protectors, as it does not require frequent replacement or maintenance. Furthermore, the device is RoHS/REACH compliant and UL certified.Overall, LVB125 is an ideal choice for protecting high power applications from damaging currents. The device is designed to automatically reset itself and re-establish power once the over-current condition is removed. Additionally, it features a wide operating voltage range, high current rating, a temperature range up to 135℃, and a polyimide film and resin construction which make it highly resistant to external environmental factors. It also offers optimized characteristics and reliable performance, as well as cost-effectiveness and RoHS/REACH compliance.

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