RSF5WSJB-91-2K7

Series:	RSF
Packaging:	Bulk
Part Status:	Active
Resistance:	2.7 kOhms
Tolerance:	±5%
Power (Watts):	5W
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:	0.335" Dia x 0.965" L (8.50mm x 24.50mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors: RSF5WSJB-91-2K7 Application Field and Working Principle

Through hole resistors are essential components in many electronic circuits. The RSF5WSJB-91-2K7 is a particularly popular through hole resistor, due to its wide application field and ease of use. In this article, we will discuss where and how to use RSF5WSJB-91-2K7s, and their working principle.

Uses

RSF5WSJB-91-2K7 resistors are designed for high voltage and temperature applications. The maximum operating voltage for this resistor is 1000V, and its maximum operating temperature is >=105°C. The RSF5WSJB-91-2K7 is typically used as an attenuator in high voltage power supplies, providing a precise amount of current to the load without exceeding the maximum voltage. It can also be used as a protection resistor in circuits with capacitors and inductors, and is often used to protect sensitive components from damage due to unexpected voltage surges.

Installation and Operation

The RSF5WSJB-91-2K7 is designed to be installed in a through-hole PCB. It is a ceramic, non-inductive type resistor that can be easily mounted in place with a Phillips or flathead screwdriver. The resistance value of the RSF5WSJB-91-2K7 should be verified before installation to ensure that it matches the specifications of the desired application. Once mounted, the RSF5WSJB-91-2K7 can be connected to the circuit\'s power source. The resistor is connected in a series circuit, meaning that it will reduce the amount of current passing through the component(s) connected to it. For example, if a voltage divider is needed, the RSF5WSJB-91-2K7 can be used to reduce the incoming voltage to a specific level, allowing for safe operation of the load.

Working Principle

The core of a resistor is made of two metallic plates, called semi-conductors, separated by an insulating material. Each plate is connected to a terminal, and electrical current is passed through the resistor, passing from one plate to the other. When current passes through the resistor, the electricity is slowed down, and some of the current is converted into heat. The amount of heat generated depends on the type of resistor and the amount of current flowing through it. In addition, the amount of current that is slowed down is determined by the resistance value of the resistor. The RSF5WSJB-91-2K7 typically has a resistance value of 2K7 ohms, meaning that each 2K7 ohm resistor will reduce the current flow by 2.7%. The resistor can also be adjusted to a different resistance value by using resistive elements such as capacitors or inductors.

Conclusion

The RSF5WSJB-91-2K7 is a versatile through hole resistor that can be used for a variety of applications. It is designed for high voltage and temperature applications, and is typically used as an attenuator or a protection resistor. The resistor is easy to install, and the resistance value can be adjusted using resistive elements. Finally, the working principle of the RSF5WSJB-91-2K7 is based on slowing down electric current using two semiconductors, and converting some of the current into heat.

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