SM15-500RB8

Series:	100/SM/PC
Packaging:	Bulk
Part Status:	Active
Resistance:	500 Ohms
Tolerance:	±0.1%
Power (Watts):	0.175W
Composition:	Wirewound
Features:	--
Temperature Coefficient:	±10ppm/°C
Operating Temperature:	-55°C ~ 145°C
Package / Case:	Axial
Supplier Device Package:	--
Size / Dimension:	0.185" Dia x 0.374" L (4.70mm x 9.50mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors: SM15-500RB8 Application Field and Working Principle

Through hole resistors are one of the most common electronic components used in the manufacturing of electrical and electronic equipment. SM15-500RB8 is a particularly notable type of through hole resistor, known for its particularly wide range of applications and unique operating principles. In this article, we will discuss the applications it is most suitable for, its operating principles, and why it is such a popular choice for numerous electronic components assemblies.

Applications of SM15-500RB8

The SM15-500RB8 is a type of through-hole resistor, which is meant for applications in which one would normally use a surface-mount resistor. The SM15-500RB8 has a unique offering of availability in both heat- and cold-state properties, as well as a thermocouple compatible design and a resistance range of 500 ohms. These characteristics make the SM15-500RB8 a valuable choice when selecting a through-hole resistor. The SM15-500RB8 has a wide range of potential applications, including automotive applications, industrial control circuits, capacitor-switched circuits, and capacitor-resistive circuits. Automotive applications primarily benefit from the high temperature and humidity resistance of the SM15-500RB8, as well as its ability to conduct reliable and precise measurements in a wide range of conditions. Industrial control circuits may also find the SM15-500RB8 to be a helpful component due to its interrupt-tolerant design, thermal protection capability, and its ability to handle higher operating currents. Finally, capacitor-switched and capacitor-resistive circuits may benefit from the high power handling capabilities of the SM15-500RB8, as well as its reliable and durable construction.

Working Principles of SM15-500RB8

Since the SM15-500RB8 is a type of through-hole resistor, it relies on its lead-frames and connections to form a bridge between two positive and two negative leads, which allows the resistor to provide a low-resistance electrical path. This principle of operation is similar to that of a surface-mount resistor, but unlike a surface-mount resistor, the SM15-500RB8 has two distinct paths of operation. The first path is the straight through-hole path, which is used when the resistor is in a low-state position, such as when the load is not currently in operation. The second path is a circuit path, which is used when the resistor is in a high-state or operating position. This second path provides a low-resistance connection to the load by forming an internal circuitry bypass around the two positive and two negative leads.

Conclusion

The SM15-500RB8 is a type of through-hole resistor with numerous applications, from automotive to industrial control circuits. Due to its high temperature and humidity resistance, heat- and cold-state capabilities, thermocouple compatibility, and resistance range of 500 ohms, the SM15-500RB8 is a popular choice for through-hole resistors. Its operating principle relies on two distinct paths – straight through-hole and circuit path – which allow the resistor to provide a low-resistance electrical path to the load in both low-state and high-state positions.

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