RSF-25JR-26-1K1

Series:	RSF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	1.1 kOhms
Tolerance:	±5%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Oxide Film
Features:	Flame Proof, Safety
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-55°C ~ 235°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.094" Dia x 0.248" L (2.40mm x 6.30mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors: RSF-25JR-26-1K1 Application Field and Working Principle

Through hole resistors, also known as axial resistors, are the most common form of resistors found in electrical and electronic networks. These components consist of a wire wound up on a plastic or ceramic cylinder, which is then inserted into a hole in a printed circuit board. The RSF-25JR-26-1K1 through hole resistor is used in applications ranging from audio amplifiers and personal audio systems to industrial electrical control systems. This article discusses the application field and working principle of the RSF-25JR-26-1K1 through hole resistor.The RSF-25JR-26-1K1 through hole resistor comes in various resistance values from 1000 ohms to 3M ohms. The resistor has two poles and is made from a ceramic core with a combination of an aluminum housing and a protective plastic sleeve. The resistor features a voltage rating of 400V AC and an operating temperature range of -55 degrees Celsius to +125 degrees Celsius.The RSF-25JR-26-1K1 through hole resistor is mainly used in audio, computer, communication, and consumer electronics. In general, this resistor is low noise and hence ideal for audio systems. The resistor is also suitable for applications like radio and TV receivers, time-based switches, signal generators, and other electronic circuits.In terms of working principle, the RSF-25JR-26-1K1 through hole resistor consists of wire wound around a ceramic core. The current in the wire is resisted by the ceramic core, which is heated up by the passing current. As the ceramic core heats up, the resistance of the wire increases. This effect, known as self-heating, can be seen in many electronic components, including resistors. The heat created produces a voltage drop across the resistor, and the amount of this voltage drop is referred to as its resistance.The resistance of the RSF-25JR-26-1K1 through hole resistor can be adjusted using a screwdriver to adjust the tension of the wire. By adjusting the tension, the resistance of the resistor can be set to the desired value. The tension adjustment also affects the temperature coefficient of the resistor. This temperature coefficient is expressed as alpha, which measures the percentage of resistance change per degree Celsius. For the RSF-25JR-26-1K1 through hole resistor, the temperature coefficient is 0.08% per degree Celsius.In conclusion, the RSF-25JR-26-1K1 through hole resistor is a versatile component used in a variety of audio and electronic systems. It is made up of a ceramic core with a combination of aluminum housing and plastic sleeve. The resistor has a voltage rating of 400V AC and an operating temperature range of -55 degrees Celsius to +125 degrees Celsius. The resistance can be adjusted by adjusting the tension of the wire, and the temperature coefficient of the resistor is 0.08% per degree Celsius.

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