RER70F12R7MC02

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	M (1%)
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.561" (14.25mm)
Size / Dimension:	1.062" L x 1.080" W (26.97mm x 27.43mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	Military, Moisture Resistant
Series:	Military, MIL-PRF-39009, RER70
Temperature Coefficient:	±50ppm/°C
Composition:	Wirewound
Power (Watts):	20W
Tolerance:	±1%
Resistance:	12.7 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount ResistorsChassis mount resistors, also known as fixed resistors, are resistive components mounted directly onto the frame of the chassis, and are thus ideal for improving the durability of a circuit. The RER70F12R7MC02, in particular, is a power resistor with an effective resistance range of 70 to 12,7 ohms, making it highly suitable for handling a large variety of power-based applications.CharacteristicsThe RER70F12R7MC02 is a precision, wire-wound resistor with a rated power dissipation of up to 10 Watts. It features an epoxy body with terminals which are capable of withstanding temperatures ranging from -55°C to +150°C, allowing it to be used in a variety of temperature-sensitive applications. The resistor also has a high dielectric strength of 5kV, making it suitable for use as an insulator in a variety of electrical circuit applications.ApplicationsThe RER70F12R7MC02 is ideal for power-based applications, such as power supplies and power amplifiers, as well as motor control and voltage regulation circuits. It can also be used in voltage protection circuits, temperature compensation circuits, audio circuits and LED lighting circuits. Furthermore, the resistor is capable of dissipating large amounts of heat, making it highly useful for applications that require a significant amount of constant heat dissipation.Working PrincipleThe RER70F12R7MC02 works on the principle of ohmic heating. When an electric current is passed through the resistor, it causes a heating or Joule effect, which dissipates heat energy from the resistor surface. The degree of heating is dependent upon the electric current flowing through the resistor, as well as the resistor\'s nominal resistance value. As the current is increased, more heat is dissipated, and vice versa. The resistor is designed to dissipate the heat in such a way that it does not cause any damage to the surrounding components, and remains within the rated temperature and power rating limits.ConclusionThe RER70F12R7MC02 is a powerful and reliable chassis mount resistor which is capable of providing reliable, consistent performance in a variety of applications, such as power supplies, power amplifiers, motor control and voltage regulation circuits, as well as temperature compensation, audio and LED lighting circuits. Its unique design allows it to dissipate heat effectively, whilst also ensuring that it remains within its rated temperature and power ratings. Therefore, the RER70F12R7MC02 is highly suitable for use in a variety of power-based applications, where durable performance and long-term reliability are of paramount importance.

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