Response Time:	Medium
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Color:	--
Operating Temperature:	-25°C ~ 70°C
Approvals:	cULus
Melting I²t:	0.005
Breaking Capacity @ Rated Voltage:	80A
Mounting Type:	Holder
Package / Case:	5mm x 20mm
Series:	201P
Voltage Rating - AC:	250V
Current Rating:	32mA
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses

Fuses, a device composed of a metal strip or wire that melts when exposed to heat due to an electrical fault that melts it, are incredibly important components in electrical systems. Fuses operate by intercepting an overcurrent fault that could potentially cause an electrical system to overload and malfunction or, worse yet, cause a catastrophic system failure. The purpose of the fuse is to protect any connected components from the effects of a fault while still allowing the system to continue to function.In general, fuses are divided into two categories: current-limiting and non-current-limiting. As their name implies, the current-limiting type will limit current flow in the event of a fault; whereas, the non-current-limiting type will just stop current flow. Depending on the application, the choice of fuse type is made based on its ability to not only protect the system, but also ensure that the system continues to function correctly.One key application field of fuses is in ac electrical motors. Properly-sized fuses are necessary for the protection of any ac motor from overcurrents or shorts caused by overloads, starting currents, and locked rotor conditions. The fuse will serve to not only protect the motor from harm, but also limit the amount of current that the motor can draw, thus ensuring that the motor stays within the manufacturer’s rating. In addition, in power distribution systems, fuses provide short-circuit protection in the event of a fault. In low-voltage systems, which typically operate at 50-60 V or less, the overcurrent protection device is uniquely rated for the application and is typically referred to as a fuse. In medium- and high-voltage systems, the overcurrent protection device is referred to as a circuit breaker and is typically connected with an arc-suppression coil for the suppression of arcing when a switch is opened or a circuit is broken. The working principle of fuses is simple. When a fault occurs, the fuse limits the current flow, preventing further current from flowing to the circuit and damaging it. The fuse is designed to continuously and safely limit current flows until the fault is cleared. The fuse will then reset itself once the fault has cleared and the system can once again function correctly. It is important to note that while fuses are incredibly important components, they should be considered as secondary protection devices. Primary protection devices should be used before the fuse so that the fuses last as long as possible and so that the system is not vulnerable to damage from a single failing fuse.In conclusion, fuses are incredibly important components in electrical systems and they have a wide range of applications, from ac motors to power distribution systems. The working principle of a fuse is quite simple, limit the amount of current that flows through the system in the event of a fault and then reset the system once the fault has cleared. While fuses are incredibly important, primary protection devices should be used before the fuses to ensure that the system is protected and can last as long as possible.

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Part Number	Manufacturer	Price	Quantity	Description