RSF-25JR-26-3K9

Series:	RSF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	3.9 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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Introduction

Through Hole Resistors is a type of resistors used in just about any electronic project, which are mounted to a printed circuit board using holes that are drilled in the boards. RSF-25JR-26-3K9 is a through hole resistor used for numerous applications as well. It is a 3 kOhm, 25 W resistor, produced by JS Electronics.

Applications

RSF-25JR-26-3K9 through hole resistors are mostly used in industrial projects for a variety of applications. This resistor is usually used to reduce the flow of destructive electricity and suppress unwanted signals, and its wide range of uses includes high-current, switching, audio, power, and data circuits. Its 3 kOhm value is suitable for other elements, such as transistors and capacitors, which protects the circuit by limiting the current flow. Also, RSF-25JR-26-3K9 is often used in temperature control and measurement applications. This type of resistor is ideal for generating heat in certain components and for controlling and measuring the temperature of electronics devices.

Features

RSF-25JR-26-3K9 through hole resistors feature wide rated power up to 25W and a wide operating temperature range from -55℃ to +125℃. It is a non-insulated, epoxy-coated, ceramic-based resistor with a cylindrical ceramic body and lead-free tinned terminations, which makes sure it is flexible and reliable in its performance.The resistor also features a physically large size and a large current capacity that is suitable for high-duty cycle applications. It is also highly resistant to temperature, humidity, moisture, and vibration, which makes it extremely dependable in virtually any environment.

Working Principle

The working principle of RSF-25JR-26-3K9 through hole resistors is simple. Its epoxy-coated ceramic body acts as an insulator to dissipate heat, while its 3 kOhm value limits the current flow, which prevents any further damage to the circuit. The heat dissipated by the resistor is removed by the air, cooling it down in the process and protecting the other components in the circuit.When it comes to high-duty cycle applications, the resistor is able to withstand heat and high temperature levels because of its large size and wide operating temperature range. This makes it ideal for use in extreme environments, where other resistors may not be suitable.

Conclusion

RSF-25JR-26-3K9 is an essential through hole resistor that is used in a variety of industrial applications. It is reliable, versatile and long-lasting, which makes it ideal for use in projects that require high-duty cycle operations. Its wide operating temperature range, 3 kOhm value, and non-insulated epoxy-coated ceramic body make it suitable for virtually any kind of environment.

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