RER45F40R2RC02

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	R (0.01%)
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.405" (10.29mm)
Size / Dimension:	0.750" L x 0.800" W (19.05mm x 20.32mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	Military, Moisture Resistant, Non-Inductive
Series:	Military, MIL-PRF-39009, RER45
Temperature Coefficient:	±20ppm/°C
Composition:	Wirewound
Power (Watts):	10W
Tolerance:	±1%
Resistance:	40.2 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount Resistors: RER45F40R2RC02 Application Field and Working Principle

Chassis mount resistors are one of the most important components in portable electronic devices, providing a visual indication that their presence is necessary in the current path for the device to function properly. RER45F40R2RC02 is a type of chassis mount resistor which is widely used in high performance Power supplies and Chargers. In this article, we will discuss the application field and working principle of RER45F40R2RC02.RER45F40R2RC02 is a low profile heatsink chassis mount resistor with excellent thermal properties. It can withstand a maximum power rating of 40 Watts and an operating temperature of -55℃ to 125℃. The resistor comes in a TO-220 package with good insulation and EMI properties, making it an ideal choice for high performance power supplies and chargers.The application field of RER45F40R2RC02 mainly ranges from portable devices to industrial equipment. This chassis mount resistor is often used in power supplies and chargers, as it is able to provide a constant current and voltage supply. It is also widely employed in other applications, such as switching power supplies, audio amplifiers, motor control circuits and various other electronic devices where power regulation and protection is needed.In order to understand the working principle of RER45F40R2RC02, we need to first look at the electrical characteristics of the resistor. The basic principle behind the operation of any resistor is that it provides resistance to the flow of an electrical current. In this case, RER45F40R2RC02 has a resistance value of 4.7 Ohms, meaning it will provide a resistance to any current flowing through it. This resistance limits the amount of current that can flow, thus protecting the device from overloading and short circuiting.Moreover, the heatsink chassis mount of RER45F40R2RC02 dissipates the heat generated from the resistor, preventing it from getting damaged due to overheating. The resistor is also able to withstand high voltage and current surges, thus providing an extra layer of protection to the device. Finally, the resistor is also able to provide EMI and RFI shielding, which helps to reduce interference from external sources.In conclusion, RER45F40R2RC02 is a high performance chassis mount resistor which is widely used in many applications, such as power supplies and chargers. It is able to provide resistance to current and voltage, dissipate heat, and provide shielding against interference. In short, it is an ideal choice for applications where power regulation and protection is needed.

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