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Using Resistors

Resistors are essential parts of nearly every electronic device and are used in vast array of applications. A resistor is a passive two-terminal electrical component used to create current flow in a circuit. They come in various shapes and sizes, and the choice of the one to use depends on the application.

RSS3W39RJTB Application Field and Working Principle

A Resistor of RSS3W39RJTB category is a through hole resistor with a low profile design and low thermal resistance. It works by restricting the flow of an electric current which works in tandem with a voltage source. The resistor has a given resistance value in ohms (Ω), and the resistance will not change if the voltage across it is changed. It is designed for use in consumer and computer products, vehicle equipment and audio products. The most common applications for this type of resistor include filtering of digital signals, signal processing and biasing, and voltage dividing.

Through-Hole Resistors

Through-hole resistors are the type of resistors used in older electronics designs and they are fastened to the circuit board through drilled holes, unlike surface mount resistors which are placed directly on the surface of PCBs. Through- hole resistors are available in several packages and sizes. The RSS3W39RJTB resistor has a 39 Ω power rating, low profile, and low thermal resistance. Its dimensions are 0.98 × 0.67 × 0.22 in (25 × 17 × 5.6 mm) and it has a maximum working voltage of 250 V. This resistor is constructed from metal alloy with a power rating of 3 W, and it has a temperature coefficient of 1.85 (ppm/°C).

How to Use a Through Hole Resistor

When using a through hole resistor, the prerequisites are a voltage source and a circuit board. To install the RSS3W39RJTB, the holes to be used should be pre-drilled into the circuit board. The resistor should be inserted into the hole and then a soldering iron should be used to heat up the pins of the resistor to melt the solder. Once the solder is melted, the resistor will be secured to the circuit board. The resistor should also be tested for proper connections and functionality. If it is not functioning correctly, it should be replaced with a new resistor of the same specifications.

In conclusion, RSS3W39RJTB is a through hole resistor with a low profile design and low thermal resistance, and it is suitable for applications such as filtering of digital signals, signal processing and biasing, and voltage dividing. It is important to understand how it works and how to use it so that it functions properly.

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