TR1/MCRS4A

Response Time:	Slow
DC Cold Resistance:	0.04 Ohms
Size / Dimension:	0.125" Dia x 0.280" L (3.18mm x 7.10mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UL
Melting I²t:	15
Breaking Capacity @ Rated Voltage:	50A AC, 300A DC
Mounting Type:	Through Hole
Package / Case:	Axial
Series:	Microtron® MCRS
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	4A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TR1/MCRS4A is a fuse often referred to as "through-hole Resistance (TR) fuses". These fuses are typically used to protect a circuit from overloads and short-circuits. The fuse is usually located in a plastic housing and consists of a metal strip that is heated until the heat melts the metal, which releases the current. This process is the same as most other fuses except for the fact that TR1/MCRS4A does not contain any voltage sensitive element or current sensitive element.TR1/MCRS4A fuses are often used to protect low voltage circuits, such as those in toys, household appliances, and other electronic devices. These fuses are especially useful in low-power applications, where the current is not expected to exceed a certain level. In such applications, the fuse will eventually "blow" if an overload occurs. In the case of TR1/MCRS4A fuses, the current in the circuit will also be limited to a predetermined level due to its high resistance.The working principle of TR1/MCRS4A is based on the fact that its high resistance impedes the flow of current. This means that when an overload or a short-circuit occurs in the circuit, the resistance of the TR1/MCRS4A becomes the limiting factor in the current flow. As the current increases, the heat generated in the fuse rises, and eventually the metal strip melts and releases the current, thereby protecting the circuit from the overload or short-circuit.TR1/MCRS4A fuses are available in a variety of sizes and ratings, and they can be used in any circuit that needs protection from overloads and short-circuits. TR1/MCRS4A fuses are relatively inexpensive and easy to install, making them a popular choice in many applications.The application fields of TR1/MCRS4A fuses are vast and they can be found in almost any circuit, from those in toys to those in sophisticated medical equipment. A TR1/MCRS4A fuse can be used in any circuit that requires protection from overloads and short-circuits. In order to ensure that the circuit is adequately protected, it is important to choose a TR1/MCRS4A fuse with an appropriate rating to prevent any damage to the circuit from occurring.In conclusion, TR1/MCRS4A are a versatile and reliable type of fuse that can be used in many different applications, from low-power electronic devices to sophisticated medical equipment. They are relatively inexpensive, easy to install, and provide reliable protection against overloads or short-circuits. Furthermore, thanks to their high resistance, they limit the current to a predetermined level, ensuring that the circuit is protected from any adverse effects of an overload or short-circuit.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description