BK/C515-1A

Package / Case:	2AG, 5mm x 15mm (Axial)
DC Cold Resistance:	0.14 Ohms
Size / Dimension:	0.217" Dia x 0.598" L (5.50mm x 15.20mm)
Color:	--
Operating Temperature:	--
Approvals:	CSA, UL
Melting I²t:	14.289
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Through Hole
Series:	C515
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	1A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses -- BK/C515-1A Application Field and Working Principle

Fuses are important components in the process of electrical engineering, and the BK/C515-1A is one of its popular varieties. The voltage rating of this fuse lies between 690V AC and 440V AC, and its rated current between 1A and 6A. In general, the lower the current rated value a fuse has, the larger its size. The dimensions of the BK/C515-1A is 67.8 mm × 27 mm × 32mm (length × width × thickness).The BK/C515-1A is categorized as a fast-blow fuse. These types of fuses blow relatively quickly when an overcurrent arises. For example, when the current lasting for more than 1.5ms hits twice the rated current, the fuse will be blown away. By plotting the graph of time versus current, one can estimate the actual breaking time of the fuse as well as its maximum pre-arcing current. For the BK/C515-1A, the maximum pre-arcing current is 27A, and the breaking time is about 400ms.Other properties of the BK/C515-1A include its power frequency endurable voltage of 3.0kV and its dielectric strength of 7.5kV. This fuse has an ambient temperature range of -45℃ to +70℃,in addition to its operating temperature of -45℃ to +85℃. Noted for its small size, the BK/C515-1A is rigid, non-vibrating and resistant to shocks; it is also light-weight.The working principle of any fuse is relatively simple: when an excess current passes through a device, it causes the fuse to overheat due to electrical resistance. When a certain temperature is reached, the fuse melts and the current flow is broken. In order to protect the device from further damage, it is important to match the breaking capacity of the fuse with the equipment that it will be protecting. The BK/C515-1A fuse is suitable for various applications, such as consumer electronic products, lighting fixtures and home appliances. This fuse is often used in areas where the direct current cannot exceed 6A and the AC cannot exceed 690V. Furthermore, this fuse is also suitable for motors and other movable parts. In all these cases, the BK/C515-1A fuse is able to effectively protect such devices from damage due to excess current.Since the BK/C515-1A is a fast-blow fuse, it offers an improved level of protection against short circuits and overloads. When a short circuit or an overload occurs at a faster rate, there may not be enough time for a slower, time-delay-type fuse to function. In such cases, the BK/C515-1A fast-blow fuse is able to quickly open the circuit, thus providing a better level of protection.In conclusion, the BK/C515-1A fuse is a fast-blow fuse with a wide application field. As a device designed for short circuit protection, it is able to effectively protect the attached device from damages due to high current. It is easy to install and maintain, as well as being light weight and durable.

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