MS 1TR

Package / Case:	Axial
DC Cold Resistance:	0.338 Ohms
Size / Dimension:	0.125" Dia x 0.280" L (3.18mm x 7.10mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cURus
Melting I²t:	0.81
Breaking Capacity @ Rated Voltage:	50A AC, 300A DC
Mounting Type:	Through Hole
Series:	MS
Response Time:	Slow
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	1A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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MS 1TR Application Field and Working Principle

Fuses are an essential part of any electrical system. They serve to protect electrical devices from overloads in case of short circuits or other faults. The MS 1TR is an automotive fuse designed specifically for engine compartment circuits, and is approved to the UL 2098 standard. It is a current-limiting fuse, meaning that it will interrupt the circuit quickly if the current exceeds a specified level.

Application Field

The MS 1TR is suitable for protection of both high and low amperage circuits. It is most commonly used in automotive applications, including circuit protection for advanced driver assistance systems (ADAS) such as blind spot detection and parking assists. The MS 1TR is also recommended for use in industrial control panels, including components such as starters, relays, and other field devices.

Operating Principle

The operating principle of the MS 1TR is simple. In normal operation, current flows through the fuse element without any resistance or disruption. However, if an overload occurs, a large amount of heat is generated, which causes the fuse element to melt and break the circuit. The MS 1TR is designed to respond quickly to an overload. The fuse element is made of a copper alloy, which is much better at conducting heat than other materials such as brass or steel. This ensures that it will melt quickly when necessary, thus minimizing the risk of damage to other components.

Additional Features

The MS 1TR is a single-pole fuse, meaning that it is intended for one-way current flow. It features a non-replaceable blade-type fuse element, which eliminates the need for additional material such as a holder or bracket. This makes it easier to install in confined spaces, and also helps reduce total weight and cost.In addition, the MS 1TR is UL Class RK5 rated, which means that it has been tested to withstand inductive loads, often associated with motor loads. This ensures that it can handle the surges associated with motor start-up or shut-down, and provides reliable circuit protection for high-power applications.

Conclusion

The MS 1TR is a reliable, cost-effective fuse designed specifically for automotive and industrial applications. It is designed to provide quick circuit interruption in the event of an overload, and is UL Class RK5 rated to ensure that it can handle large, inductive loads. It is the perfect choice for protecting against overloads caused by short circuits or other faults.

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