RSF-50JR-52-3K9

Series:	RSF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	3.9 kOhms
Tolerance:	±5%
Power (Watts):	0.5W, 1/2W
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:	0.130" Dia x 0.354" L (3.30mm x 9.00mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Introduction

The RSF-50JR-52-3K9 is a through hole resistor used for a wide range of purposes - from low-power thermal cycling to high-frequency noise filtering. This article will discuss the application fields and the working principle of this resistor.

Application Fields

The RSF-50JR-52-3K9 is perfect for low-power thermal cycling applications, due to its low resistance value, small size, and high electrical efficiency. It can be used for automated circuits, such as in desktop computers and digital components, as well as in medical equipment for monitoring patient vital signs.The resistor can also be used for higher power applications, such as in consumer power electronics like TVs, air conditioners, and amplifiers. It is also suitable for designing and prototyping audio equipment, like audio amplifiers and loudspeakers.

Working Principle

The RSF-50JR-52-3K9 works on the principle of resistance. When a current passes through it, the resistor limits the flow of current, by causing it to experience a voltage drop. This voltage drop is proportional to the current passing through the resistor.The resistors are made of a metal, usually copper or aluminum, which is then plated with a layer of a higher-resistivity material, such as tin, nickel, or silver. This plated layer is the active part of the resistor and is responsible for the resistance effect. The layers have different resistivities, which is referred to as the “tolerance” of the resistor.

Conclusion

The RSF-50JR-52-3K9 is an ideal through hole resistor for a wide range of applications. Its low resistance value and small size make it suitable for low-power thermal cycling applications, as well as power electronics and audio equipment. Its working principle is based on resistance, with the resistance effect due to the plated layers of higher-resistivity materials.

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