Package / Case:	Radial, Can, Vertical
DC Cold Resistance:	1.241 Ohms
Size / Dimension:	0.335" Dia x 0.333" H (8.50mm x 8.45mm)
Color:	--
Operating Temperature:	-40°C ~ 85°C
Approvals:	CSA, KTL, SEMKO, UL, VDE
Melting I²t:	0.12
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Through Hole
Series:	LT-5™ 663
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	125mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses

0663.125HXLL Application Field and Working Principle

Fuses are an essential safety device for many electrical systems and buildings. They are intended to protect circuits, parts and equipment from possible overloads or short circuits. 0663.125HXLL is one type of fuses, primarily used in low voltage low current applications. These fuses can be found in a variety of residential, commercial and industrial applications, such as home appliances, lighting, computers and other electronic equipment.0663.125HXLL fuses are composed of a copper strip or wire, and a fuse element inside it. The fusing element is made of materials with a high melting point, such as silver, lead, zinc or a special alloy. During normal operation, the current flowing through the fuse element keeps it at a relatively low temperature. When an overload or short circuit occurs, the temperature of the fuse element rises rapidly, and the fuse opens and interrupts the circuit it is protecting. The opening time of the fuse element depends on the type of material used and the amount of current flowing through it.The size of 0663.125HXLL fuses usually ranges from 0.62 inches to 1.0 inches in diameter. They are small and compact, making them well-suited for tight spaces and challenging environments. They are available in a variety of mounting options, from full open terminal boxes to DIN rail mount plugs. To choose the correct size and rating for your application, you will need to consider the strength of the current, the distance between points, and the type of overload (such as short circuit or overvoltage).When it comes to installation, proper handling of 0663.125HXLL fuses is of utmost importance. Improper installation can create an unsafe condition, increase the risk of failure, or even cause a fire. Always ensure the fuse is undamaged, and the correct size and rating is used. As well, observe the limit of the current capacity, and use a multimeter to inspect the resistance in the circuit.In summary, 0663.125HXLL fuses are an important safety device for low voltage and low current applications, such as home appliances, lighting, computers and other electronic equipment. They come in a range of sizes and mountings, and must be handled properly to ensure a safe and reliable operation.

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Part Number	Manufacturer	Price	Quantity	Description