RN70C4120FBSL

Series:	Military, MIL-R-10509/3, RN70
Packaging:	Bulk
Part Status:	Active
Resistance:	412 Ohms
Tolerance:	±1%
Power (Watts):	0.75W, 3/4W
Composition:	Metal Film
Features:	Flame Retardant Coating, Military, Moisture Resistant, Safety
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-65°C ~ 175°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.180" Dia x 0.562" L (4.57mm x 14.27mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors: RN70C4120FBSL Application Field and Working Principle

Through hole resistors, also known as through-hole technology, is a popular method of mounting electronic components on printed circuit boards (PCBs). It\'s one of the oldest and most reliable ways to attach components to a board. Among its various kinds, the RN70C4120FBSL is known for its accuracy, reliable performance, and cost-effectiveness. This application note details the application field and working principle of this resistor type.

Application Field

The RN70C4120FBSL is an industrial-standard resistor designed for use in various electronic applications. The resistor is constructed from non-magnetic material and is built to survive in extreme environmental conditions. It has a high power rating and is capable of handling single voltages up to 1000V.As a result, it is suitable for use in direct current (DC) circuits in consumer electronic applications such as air conditioners, washing machines, and other home appliances. It is also suitable for use in military, automotive, and industrial applications like power supplies, user interfaces, and communication systems where its resistance and power handling capabilities are extensively utilized.

Working Principle

The RN70C4120FBSL is a through hole resistor with two pins connected in parallel. On the outside, these pins are surrounded by a thick plastic insulator that provides electrical isolation. Inside the insulator lies a conductor wrapped in a resistor material which is typically made of carbon or metal alloy. When a current is passed through the device, a voltage drop is generated across the pins in the opposite direction to the current flow. This voltage drop is a function of the material used in the resistor and the current passing through it. The material, usually carbon or metal alloy, provides resistance against electric current, which in turn generates the desired voltage drop. By adjusting the current drawn through the resistor, engineers can accurately control the voltage drop. This is done by limiting the current flow through the resistor with adjustable resistors or other methods. This makes the RN70C4120FBSL a highly versatile component that can be used to regulate voltage in a variety of circuits and applications.

Conclusion

The RN70C4120FBSL is a through-hole resistor designed for use in various consumer, military, automotive, and industrial applications. Its two pins are connected in parallel and surrounded by an insulator, with the inside containing a resistor material which generates a voltage drop when a current is passed through it. As a result, engineers are able to accurately control the voltage drop in their circuits by adjusting the current drawn through the resistor. This makes the RN70C4120FBSL a versatile and dependable resistor for any electronic needs.

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