BK1/S505-2.5-R

Package / Case:	5mm x 20mm
DC Cold Resistance:	0.0395 Ohms
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Color:	--
Operating Temperature:	--
Approvals:	BSI, CCC/CQC, CSA, cURus, IMQ, KC, PSE/JET, SEMKO, VDE
Melting I²t:	16.6
Breaking Capacity @ Rated Voltage:	1.5kA
Mounting Type:	Holder
Series:	S505
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	2.5A
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses play an important role when it comes to electrical safety and protection; as such they are an essential component in many electricity-related activities. BK1/S505-2.5-R model fuses are particularly built to provide safety and protection in higher amp loads. This article looks deeply into the application field and working principle of the BK1/S505-2.5-R fuse.

Application Field

The BK1/S505-2.5-R is designed to be used in applications with amp loads of up to 2.5A. This includes current loads in machinery, solar cells, and electrical tools, among many other items. Its design provides increased protection and safety for these types of equipment, helping to prevent heat build-up, overloads, and shorts.The fuse also meets the requirements of UL 1950, CSA C22.2 No. 66, and VDE 0305. This makes it suitable for use in international applications and can be used as either a direct replacement or an upgrade.

Working Principle

The BK1/S505-2.5-R model carries current up to its rated value of 2.5A. When the current load exceeds this value, the heat-sensitive element will melt, interrupting the flow of electricity. This helps to prevent overloads and shorts, as well as lasting damage to the connected appliance.The fuse has a small voltage drop of 0.26V, making it useful for low voltage applications. This helps to reduce energy losses and maintain efficient electrical power usage. When it’s time to replace the fuse, you can tell by the change in colour from the heat-sensitive element.

Conclusion

The BK1/S505-2.5-R model fuse is designed for use in electrical appliances with amp loads of up to 2.5A. It meets the requirements of UL 1950, CSA C22.2 No. 66, and VDE 0305, making it suitable for international applications. This fuse can provide protection and safety in current-sensitive items, helping to prevent damage caused by overloads, shorts, and heat build-up. The small voltage drop of 0.26V makes it optimal for low voltage devices. The heat-sensitive element melts under heavy currents, helping to break the flow and alert the users of a fuse replacement.

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