Series:	PNPV
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	3.9 Ohms
Tolerance:	±1%
Power (Watts):	7W
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:	0.295" Dia x 0.984" L (7.50mm x 25.00mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors

Through hole resistors are very important components of electronic circuits, and the PNP7WVFT-91-3R9 is one of the most widely used types. It is a low-cost resistor with a high level of accuracy, and it is suitable for applications that require excellent conduction capacity. In this article, we will discuss the application field and working principle of the PNP7WVFT-91-3R9.The PNP7WVFT-91-3R9 is a through-hole resistor designed for use in audio equipment and other consumer-grade products. It is made of a mixture of aluminum and zinc, and the use of this mixture ensures that the resistor is highly accurate and has excellent conductivity. It has a very low temperature coefficient, which means that it can maintain its accuracy and performance even when subjected to high temperatures. This makes it ideal for applications that require excellent temperature stability.In terms of applications, the PNP7WVFT-91-3R9 is mainly used in high-impedance audio circuits. It is capable of providing quality sound while remaining relatively resistant to interference. This makes it a popular choice for audio and video equipment, especially in noisy environments. In addition, it is also used in motor control circuits, where it can provide reliable and accurate current control. It is also sometimes used in power supplies, as it can provide smooth operation even in highly demanding applications.The working principle of the PNP7WVFT-91-3R9 is based on the concept of Ohm\'s law. This law states that the current flowing through any conductor is proportional to the voltage applied to it, provided the resistance of the conductor remains constant. The PNP7WVFT-91-3R9 consists of two internal electrodes: a positive and a negative. When voltage is applied to these electrodes, a current passes through the resistor and the magnitude of this current is determined by the resistance of the resistor. This is known as the "voltage-current" relationship, which is used to measure the resistance of the PNP7WVFT-91-3R9.In conclusion, the PNP7WVFT-91-3R9 is a through-hole resistor designed for use in audio equipment and other consumer products. It is highly accurate and has excellent conductivity, making it suitable for applications that require excellent conduction capacity and temperature stability. It is also used in high-impedance audio circuits, motor control circuits, and power supplies, and its working principle is based on Ohm\'s law.

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Part Number	Manufacturer	Price	Quantity	Description