5TTP 7

Series:	5TTP
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Fuse Type:	Cartridge, Ceramic
Current Rating:	7A
Voltage Rating - AC:	125V
Response Time:	Slow
Package / Case:	5mm x 20mm (Axial)
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	10kA
Approvals:	CE, CSA, PSE
Operating Temperature:	-55°C ~ 125°C
Color:	--
Size / Dimension:	0.217" Dia x 0.827" L (5.50mm x 21.00mm)

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Fuses

5TTP and 7 Application Fields and Working Principles

A fuse is a device designed to protect electrical systems and circuits by automatically disconnecting the circuit when an overcurrent condition is detected. Fuses are designed to protect electrical systems and components from overvoltage, overcurrent, and short circuits. Fuses come in a variety of types and styles, each type designed for different applications. In this article we will discuss the 5TTP and 7 application fields and working principles of fuses.

Types of Fuses

Fuses come in several different types. The 5TTP identifies the five common types of fuses: time-delayed, fast acting, semiblock, low-current, and reed. Each type of fuse has its own unique characteristics and is designed for a specific electrical application.

Time-Delayed Fuses

Time-delayed fuses are used for circuits where extended overload protection is necessary. The time delay feature prevents the fuse from blowing too quickly when a sudden but temporary overload occurs. These fuses should be used in applications where a large amount of current may be drawn for a short period of time, such as in motor start-up situations.

Fast-Acting Fuses

Fast-acting fuses are designed to protect against circuits that have a high current draw which exceeds the rating of the fuse. These fuses do not delay in responding to excessive current, and will blow the circuit immediately when an overcurrent condition is detected. These fuses are used in applications that require immediate protection against overloads.

Semiblock Fuses

Semiblock fuses are used in circuits that are divided into two separate sections. The fuse style is designed to allow a certain amount of current to flow through one section without blowing, and the other section is protected with an additional fuse. Semiblock fuses are useful when a circuit needs protection from two distinct current levels.

Low-Current Fuses

Low-current fuses are designed to protect circuits that have low current loads, such as logic circuits, and to prevent the circuit from becoming overloaded due to a short circuit. Low-current fuses can also be used to protect against possible transient voltage spikes that could occur in the circuit.

Reed Fuses

Reed fuses are designed for use in sensitive electrical equipment and circuits, such as computers and other electronic devices. Reed fuses are designed to be very sensitive to the current flowing through the circuit, and will blow immediately when the current exceeds the rating of the fuse.

Applications of Fuses

Fuses are essential components for the safety of electrical systems and equipment, and are used in a wide variety of applications. Here are seven of the primary application fields:

Home Electronics

Fuses are essential in protecting home electronics from hazards such as short circuits and voltage spikes. The fuse will blow and disconnect the circuit when the current exceeds the rating of the fuse.

Motor Controls

Fuses are used in motor control applications to protect circuits from an overload of current. The fuse will blow and disconnect the circuit when the current exceeds the rating of the fuse.

Power Supplies

Fuses are used in power supply applications to protect circuits from an overload of current. The fuse will blow and disconnect the circuit if the current exceeds the rating of the fuse.

Electronic Circuitry

Fuses are used in circuits to protect them from short circuits and overloads. The fuse will blow and disconnect the circuit if the current exceeds the rating of the fuse.

Medical Equipment

Fuses are used in medical equipment to protect them from electrical hazards. The fuse will blow and disconnect the circuit if the current exceeds the rating of the fuse.

Photovoltaic Systems

Fuses are used in photovoltaic systems to protect them from an overload of current. The fuse will blow and disconnect the circuit if the current exceeds the rating of the fuse.

Industrial Controls

Fuses are used in industrial control applications to protect against the sudden interruption of current. The fuse will blow and disconnect the circuit if the current exceeds the rating of the fuse.

Working Principle of Fuses

Fuses are designed to protect electrical systems and equipment from overcurrent, overvoltage, and short circuits. All fuses operate on the same basic principle - when the current flowing through the fuse exceeds its rating, the fuse element will melt and disconnect the circuit.Fuses are rated according to the amount of current they can safely carry. When a current higher than the fuse rating passes through the fuse element, the fuse element becomes hot and melts, breaking the circuit and disconnecting the power to the electrical system or component.The fuse will then need to be replaced with a new one before power can be restored. The fuse holder is designed so that the fuse can easily be replaced, and is marked with the fuse rating so that the correct fuse can be used to ensure the safety of the electrical system.In summary, fuses are essential components of any electrical system for providing safe, reliable operation and protecting against electrical hazards. Fuses come in several different types and styles, each designed for a specific application. The 5TTP and the 7 application fields and working principles of fuses discussed in this article should provide a clear understanding of the types of fuses available and how they are used.

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