BK-S505H-V-4-R

Response Time:	Slow
DC Cold Resistance:	0.019 Ohms
Size / Dimension:	0.218" Dia x 0.831" L (5.54mm x 21.10mm)
Color:	--
Operating Temperature:	-40°C ~ 85°C
Approvals:	cULus, PSE/JET
Melting I²t:	38.45
Breaking Capacity @ Rated Voltage:	1.5kA
Mounting Type:	Through Hole
Package / Case:	5mm x 20mm (Axial)
Series:	S505H
Voltage Rating - DC:	400V
Voltage Rating - AC:	600V
Current Rating:	4A
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses - BK-S505H-V-4-R Application Field and Working PrincipleFuses are critical components in any electrical system. Proper fuse installation and selection is key to the safety and durability of the system. As such, a thorough understanding of its working principles and application fields is important. This article focuses on discussing the BK-S505H-V-4-R, its application field and working principles. The BK-S505H-V-4-R is a type of fuse class II. Class II fuses are commonly used in electrical and electronic equipment, providing over-current protection for short circuits. They also provide short-term overload protection. S505H-V-4 specifically refers to a glass-tube non-renewable fast-acting fuse. It is rated for 30A and 250VAC. This type of fuse typically finds application in circuit protection for home appliances, office equipment, industrial machinery, and other electronic equipment. Additionally, they can be used in motor-driven window air conditioners, refrigerator and cooler units, and other motor-driven appliances. The construction of this particular fuse includes several key parts. The most important are the body, the amp-rating spring & stop plate, and the fuse element. The body, typically a phenolic material, serves as a type of housing for the other components. The fuse element is a metal strip wrapped in material capable of withstanding high temperatures. This type of wrapping is intended to prevent electric arc during an overload. The amp-rating spring and stop plate is designed to cope with the force of the electric current, preventing excessive current and thus protecting the electronic equipment.When the current passes through the fuse, the fuse element will heat up and eventually melt. This causes an open circuit, preventing the current from flowing and providing additional protection to the equipment. In summary, the BK-S505H-V-4-R is a type of class II fuse. It is typically used in circuit protection for home appliances, office equipment, industrial machinery, and other electronic equipment. Its construction includes a body, an amp-rating spring & stop plate, and a fuse element. When a short circuit occurs, its fuse element melts, thus preventing any further electrical current from passing and providing additional protection to the equipment.

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