UNHZ20300L

Series:	UNHZ203
Packaging:	Cut Tape (CT)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	1.2A
Voltage Rating - AC:	50V
Voltage Rating - DC:	50V
Response Time:	Fast
Package / Case:	2-SMD, Flat Lead
Mounting Type:	Surface Mount
Breaking Capacity @ Rated Voltage:	--
Approvals:	--
Operating Temperature:	-55°C ~ 125°C
Color:	--
Size / Dimension:	0.067" L x 0.049" W x 0.028" H (1.70mm x 1.25mm x 0.70mm)
DC Cold Resistance:	0.046 Ohms

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UNHZ20300L Application Field and Working Principle

Fuses are one of the most widely used components in circuits designed for both domestic and industrial applications. They are designed to prevent excessive current flow through circuits which could lead to damage or even destruction of other components in the circuit. The UNHZ20300L fuse is a particular type of fuse which is suitable for use in medium voltage applications up to a maximum voltage of 3KV.

Application Field

The UNHZ20300L fuse is typically used for the protection of air conditioners, electric fans, lamps, ballasts, street lights and other medium voltage circuits. The fuse can also be used as motor protection fuses. The advantage of using this type of fuse compared to other types is that it provides superior performance in situations where high current is expected. This means that it is suitable for a wide range of medium voltage applications.

Working Principle

The working principle of the UNHZ20300L fuse is similar to other types of fuses. When excess current flows through the circuit, the fuse will operate to shut down the circuit. This is achieved by an interruption of the electrical connections between the components of the circuit. To prevent the interruption of normal working currents, the fuse is designed to open the circuit as soon as the current exceeds the rated amperage for a certain amount of time. This time depends on the design of the fuse.The UNHZ20300L fuse has a unique design which allows it to operate quickly in a relatively small volume. This is achieved by the use of a special construction which incorporates a joule heating element inside the fuse body. This element has two contacts which allow the current to flow when the rated current is within the limits, however, when the current exceeds the recommended limit for a certain amount of time the element melts and opens the circuit.The UNHZ20300L fuse is easy to install and maintain. It can be easily checked for functionality by using a multimeter or an ohmmeter. The main advantage of using this type of fuse is that it is able to provide consistent protection of the circuit elements from overcurrents.

Conclusion

The UNHZ20300L fuse is a reliable and easy to use solution for medium voltage applications. It is particularly useful for situations where high currents are expected due to its fast acting design. The fuse is also easy to install and maintain, allowing it to provide long-term protection against overcurrents.

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