MDH-V-21-RBK

Response Time:	--
DC Cold Resistance:	0.0024 Ohms
Size / Dimension:	0.275" Dia x 1.288" L (6.99mm x 32.72mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	cURus
Melting I²t:	5100
Breaking Capacity @ Rated Voltage:	200A
Mounting Type:	Through Hole
Package / Case:	Cartridge, Non-Standard (Axial)
Series:	MDH-R
Voltage Rating - DC:	150V
Voltage Rating - AC:	600V
Current Rating:	21A
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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MDH-V-21-RBK Fuses Application Field and Working Principle

Fuses are essential components, often found in electrical systems of vehicles, where they dissipate fault energy and protect the electrical systems against overloads. The MDH-V-21-RBK fuse manufactured by Dremco offers protection for vehicles and their electronic systems.

Application of MDH-V-21-RBK Fuses

MDH-V-21-RBK fuses are typically used as automotive fuses for cars, trucks, buses, motorhomes, and motorcycles. They are also used in electronics housings for circuit boards. The fuses offer protection for 30A nominal current and 32V DC nominal power.

Advantages

MDH-V-21-RBK fuses are designed to be space-saving and offer high reliability, even under harsh environmental conditions. They feature an easy to read marking on the fuse body which indicates the blowout current rating. The product is also dust and waterproof, ensuring maximum safety.

Working Principle

MDH-V-21-RBK fuses are designed to protect electrical equipment and ensure its proper functioning. The working mechanism of the fuse is based on the fact that when current flows through it, there is a temperature increase, which causes an increase in the heat from the internal resistor. When the heat exceeds the normal ratings, the fuse melts, thus creating an open circuit and protecting the electrical equipment from an over-temperature condition.

Structure of MDH-V-21-RBK Fuses

MDH-V-21-RBK fuses consist of a metal or ceramic body, a lead wire, and a resistor. The metal or ceramic body provides a hermetic seal and a good connection to the circuit board. The lead wire connects the resistor to the circuit board and carries the current. The internal resistor limits the amount of current that can flow through the fuse.

Installation Requirements

Before installing the MDH-V-21-RBK fuse, the circuit must be tested for open or short circuits and high-resistance connections. Installation should be in accordance with the manufacturer’s instructions, regulations, and safety protocols.

Conclusion

The MDH-V-21-RBK fuse is a reliable and safe product enabling easy installation and good protection against overloads and high-temperature conditions. It is an ideal choice for automotive and electronic applications and offers excellent protection to the equipment.

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