PNP300JR-73-51R

Series:	PNP
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	51 Ohms
Tolerance:	±5%
Power (Watts):	3W
Composition:	Wirewound
Features:	Flame Retardant Coating, Safety
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-40°C ~ 200°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.181" Dia x 0.453" L (4.60mm x 11.50mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors are components used to limit the flow of current in an electrical circuit. They are the most physically robust form of resistors, and can usually handle high levels of voltage and power without fear of breakdown. PNP300JR-73-51R, a through hole resistor from the venerable Japanese manufacturer Panasonic, is a great example of this technology. In this article we’ll be discussing the application field and working principle of this resistor.Because of their robust construction, through hole resistors are often used in industrial and automotive applications, where they are exposed to extreme conditions such as vibration, heat, and moisture. The PNP300JR-73-51R is no exception; it is rated to a maximum voltage of 1500V and a maximum power of 300W. This makes it suitable for applications such as automotive lighting, fuel injection, and electrical motors. The actual composition of the PNP300JR-73-51R is a ceramic substrate, a silver terminal, and a combination of lead and silver solders which bond the two together. The resistor is then filled with resistive carbon material, which helps to reduce the flow of current. This carbon is carefully selected to ensure the desired resistance value is delivered, and it is resistant to harsh environments.The basic working principle of a through hole resistor is similar to that of any other type of resistor. When voltage is applied, electricity will flow through the resistor, and the electrical resistance limits the amount of current that can pass through. This reduces the amount of current flowing through the circuit and prevents damage to sensitive components.In conclusion, the PNP300JR-73-51R is an excellent choice for industrial or automotive applications where reliable, robust resistors are needed. Its combination of high voltage and high power ratings make it especially useful in situations where current must be regulated and controlled. The underlying working principle is relatively straightforward, making it a great choice for a wide range of applications.

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