RSTA 1 BULK, SHORT LEAD

Series:	RSTA
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	1A
Voltage Rating - AC:	250V
Voltage Rating - DC:	63V
Response Time:	Slow
Package / Case:	Radial, Box
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	100A
Melting I²t:	6.6
Operating Temperature:	-55°C ~ 125°C
Color:	--
Size / Dimension:	0.329" L x 0.157" W x 0.307" H (8.35mm x 4.00mm x 7.80mm)
DC Cold Resistance:	0.082 Ohms

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RSTA 1 BULK, SHORT LEAD Application Field and Working Principle

Introduction to Fuses

A fuse is a common electrical device used to protect electrical circuits from being overloaded. It is essentially a thin strip of metal that melts when subjected to an excessive electrical current. The result is that the flow of power to the circuit is interrupted. Fuses come in a variety of shapes and sizes, and the type of fuse and its rating determine an electrical device’s current carrying capacity.

RSTA-1 Bulk, Short Lead Fuses

RSTA-1 bulk, short lead fuses are designed for high-frequency power supply protection and other dedicated power circuit protection applications such as air conditioners, refrigerators, washing machines, computers, and similar devices. These fuses are a type of fast-acting, short-lead fuse with a minimum opening time of 4 milliseconds. They are designed to be installed on short lead lengths and are made of high-quality thermoplastic material for superior insulation.

Application Field

RSTA-1 fuses are used in a wide variety of applications, including but not limited to air conditioners, refrigerators, washing machines, computers, and similar devices. They are ideal for circuit protection in electrical and electronic appliances and systems that require small size, fast response time, and superior contact protection. The RSTA-1 fail-safe fuse also prevents false tripping, as current may leak through the faulty connection even after disconnection. To summarize, the application fields of the RSTA-1 bulk, short lead fuses include air conditioning, refrigerator, washing machine, computer and other dedicated power circuit protection applications.

Working Principle

The RSTA-1 bulk, short lead fuses operate under the principle of Moulded Device Application or MDA. This is a process whereby a device is moulded into a thin strip of metal which then melts or “blows” when exposed to an excessive electrical current. The mechanism of the RSTA-1 fuses is as follows. If the current flowing through the fuse exceeds its amplitude, the strip of metal melts, thereby breaking the connection and interrupting the flow of power to the circuit. This prevents any further damage to the circuit. The MDA process requires the use of a fast-acting alloy that melts within 4 milliseconds, making it ideal for short lead lengths. Furthermore, the device\'s thermoplastic body offers superior insulation to ensure that no external interference affects the operation of the circuit.

Conclusion

In conclusion, RSTA-1 bulk, short lead fuses are a type of fast-acting, short-lead fuse used for high-frequency power supply protection and other dedicated power circuit protection applications. These fuses operate under the principle of Moulded Device Application or MDA and are made of a fast-acting alloy and a thermoplastic body for superior insulation. RSTA-1 fuses are used in a wide variety of applications, including but not limited to air conditioners, refrigerators, washing machines, computers, and similar devices.

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