TR/0603FA4-R

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Fuses play an important role in any given electrical system, from automotive systems to industrial manufacturing lines. They are designed to protect electrical circuits and equipment from being overloaded and damaged due to excessive current flows. TR/0603FA4-R is one particular type of fuse that offers remarkable performance and reliability. This article will discuss its application fields, working principle, and other relevant information.

Application Fields

The TR/0603FA4-R is a type of surface-mount fuse that is designed to be used in high-density/compact space applications. It has a particularly low profile of 0.06 inches, making it suitable for applications in which space is particularly limited. This makes it particularly suitable for very dense electronic circuitry, such as for cellular phones, small medical equipment, and automotive circuit boards. It is also widely used in the industrial sector, for the protection of certain equipment and circuits against electrical surge damage.

Working Principle

The TR/0603FA4-R works by interrupting current when it reaches a certain set value. This value is determined by the design parameters of the particular device and is usually specified by the manufacturer. This is accomplished by the use of a glass body, which contains a triggered element. When the current reaches a certain level, the triggered element heats up and melts, thereby interrupting the flow of current and protecting the underlying circuit.

The TR/0603FA4-R is also designed with a pre-testing feature that allows the fuse to be tested without damaging it. This is done by sending a small current through the fuse that is well below its trigger and interruption values. The results of this pre-testing can then be used to determine the exact working parameters of the fuse.

Performance Characteristics

The TR/0603FA4-R has several performance characteristics that make it especially useful in certain applications. It has an interrupting rating of 250V AC and 125V DC, and a rated current of up to 2.5 amps. It has a temperature rating of -55°C to +125°C. It also has a breaking capacity of 250mA@ 10.8V DC and 800mA@ 125V DC. This makes it suitable for use in most industrial and automotive applications, as well as in compact consumer-level electronics.

In addition to its performance characteristics, the TR/0603FA4-R also has several standard qualities that make it an attractive choice for certain applications. It has a latching mechanism, which makes it easier to reset after a fuse blow. It has a stainless steel end cap, which provides additional protection in high-temperature applications, and an extra-large heat foot which dissipates heat evenly across the circuit board surface. It also has a resettable thermal fuse, which provides protection against high-temperature failures.

Conclusion

The TR/0603FA4-R is a type of fuse that is designed for high-density/compact space applications. It has an interrupting rating of 250V AC and 125V DC, a rated current of up to 2.5 amps, and a temperature rating of -55°C to +125°C. It also has several standard features such as a latching mechanism, stainless steel end cap, extra-large heat foot, and resettable thermal fuse. These characteristics make it suitable for a variety of applications, including industrial and automotive circuit protection, the protection of small medical equipment, and cellular phones.

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