BK/S505-V-500-R

Package / Case:	5mm x 20mm (Axial)
DC Cold Resistance:	0.507 Ohms
Size / Dimension:	0.218" Dia x 0.831" L (5.54mm x 21.10mm)
Color:	--
Operating Temperature:	--
Approvals:	BSI, CCC/CQC, CSA, cULus, IMQ, SEMKO, VDE
Melting I²t:	0.188
Breaking Capacity @ Rated Voltage:	1.5kA
Mounting Type:	Through Hole
Series:	S505
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	500mA
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are passive electrical devices that are used to protect electrical circuits from excessive current, usually due to overloads or a short circuit. The BK/S505-V-500-R is a class of mini-fuses designed for low-power application field and working principle. They are often used to protect automotive circuits, and occasionally consumer electronic circuits. This article will discuss the application field and working principle of the BK/S505-V-500-R.

Application Field

The BK/S505-V-500-R is primarily used in the automotive industry. It is used to protect circuit boards, circuits, and components from damage due to excessive current, either due to an overload or a short circuit. The fuse is designed to melt under a certain current level, thus cutting off power to the circuit. The BK/S505-V-500-R is designed to protect low-power circuits, typically circuits that are drawing less than 500mA. The fuse is also suitable for use in consumer electronics, such as televisions, computers, and stereo systems. There are often fuses embedded in these devices to protect the circuits from damage due to excessive current. The BK/S505-V-500-R is an ideal fuse for these applications, as it provides reliable protection while consuming minimal space.

Working Principle

The BK/S505-V-500-R is designed to melt and cut off power under a certain amount of current, typically between 10A and 500mA. When a certain amount of current flows through the fuse, the heat generated by the current causes a metal strip inside the fuse to melt. This in turn causes an open circuit, cutting off power to the circuit and thus protecting the circuit from damage. The fuse will need to be replaced after the current has tripped it. The fuse is designed to be easily replaced, as it is relatively inexpensive. To replace the fuse, the old one must be removed from the circuit and the new one inserted. The new fuse should be the same type and rating as the old one, or it may be overloaded and quickly trip again.

Conclusion

The BK/S505-V-500-R is a class of mini-fuses primarily used in automotive and consumer electronics applications. It is designed to protect circuits from excessive current, either due to an overload or a short circuit. The fuse operates by melting under a certain current level, thus cutting off power to the circuit and protecting it from damage. The BK/S505-V-500-R is an ideal fuse for these applications, as it provides reliable protection while consuming minimal space.

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