3AB 200

Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
DC Cold Resistance:	5.7 Ohms
Size / Dimension:	0.250" Dia x 1.252" L (6.35mm x 31.80mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, PSE, UL
Melting I²t:	0.014
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Holder
Series:	3AB
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	200mA
Fuse Type:	Cartridge, Ceramic
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are one of the most commonly used forms of electrical protection. Their purpose is to protect connected components against potentially damaging levels of current. The 3AB 200 fuse, in particular, is one of the smallest and most-used fuse designs. It is designed to offer the highest level of protection while being small in size and affordable in price.

Application Field and Working Principle

3AB 200 fuses are primarily designed for use in consumer electronic products, such as computers, televisions, and other household electronics. As such, they are relatively small in size and comparatively cheap. They are designed to offer overload protection for equipment containing up to 200 amperes.The basic working principle of the 3AB 200 fuse is simple. When current exceeds the rating of the fuse, the metal within the fuse heats up and melts. This breaks the circuit, which in turn cuts off the current before it can cause damage. The fuse then needs to be replaced in order to restore circuit continuity.The main advantage of the 3AB 200 fuse is its size. It is one of the smallest fuses available, which makes it ideal for use in consumer electronics such as computers, TVs, microwaves, and other small devices. In addition, it is also capable of providing the highest levels of current protection in its class.

Advantages of 3AB 200

The 3AB 200 fuse offers several advantages over other fuse types. For starters, it is small in size, making it ideal for applications where space is limited. Furthermore, its low cost makes it viable for use in budget applications. Finally, its reliable and fast acting overload protection ensures the safety of connected components.

Drawbacks of 3AB 200

Despite the many advantages of the 3AB 200 fuse, there are some potential drawbacks. For example, the small size of the fuse makes it vulnerable to physical damage, which can lead to unexpected short circuits. Additionally, in certain applications, the current capacity of the fuse can be exceeded without tripping, resulting in the potential for equipment damage.

Conclusion

The 3AB 200 fuse has become one of the most popular forms of electrical protection. Its small size and low cost make it ideal for use in consumer electronics, while its reliable and fast-acting overload protection ensures the safety of connected components. While there are some potential drawbacks, such as the vulnerability to physical damage and the potential for overcurrent, these can be minimized with proper use and maintenance.

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Part Number	Manufacturer	Price	Quantity	Description