SQM700JB-820R

Series:	SQM
Packaging:	Bulk
Part Status:	Active
Resistance:	820 Ohms
Tolerance:	±5%
Power (Watts):	7W
Composition:	Ceramic
Features:	Anti-Arc, Flame Proof, Moisture Resistant, Safety
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Radial
Supplier Device Package:	Radial Lead
Size / Dimension:	0.512" L x 0.354" W (13.00mm x 9.00mm)
Height - Seated (Max):	1.594" (40.50mm)
Number of Terminations:	2

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Through Hole Resistors

Through hole resistors are components used in electronics to control the flow of electric current by limiting the amount of voltage or power. They have a variety of applications and a wide range of functionality. The particular type of through hole resistor to be discussed here is the SQM700JB-820R, a component commonly used in many electronic systems.The SQM700JB-820R is a standard through hole resistor which is used in applications such as power supplies, audio amplification, and on-board voltage regulation. It is a medium power through hole device with a resistance range from 212 to 822ohms, low thermal coefficient of resistance, low voltage coefficient and low inductance. It is also designed to have minimal physical size so as to allow for more components to be placed in a high density circuit board design.The SQM700JB-820R is a surface-mount device, meaning that it is soldered directly to the circuit board without the use of an external mounting bracket. It is also capable of being used in a wide range of temperatures, from -55C to +125C, so it can operate in harsh environmental conditions. This makes the SQM700JB-820R ideal for most electronic applications. A through hole resistor, such as the SQM700JB-820R, functions by providing resistance when current attempts to flow through the component. This resistance is determined by the size and type of the resistor and the type of material used in its construction. In the case of the SQM700JB-820R, it is composed of a ceramic substrate with metalized layers of platinum and titanium, with the metalized layers attached to the substrate via solder contacts. As current flows through the resistor, its resistance to the current increases, reducing the flow of electrical current and thereby regulating the voltage and power of the circuit.In order to protect the SQM700JB-820R resistor from damage, it must be installed in a manner that allows the resistor to dissipate heat away from its internal components. This is achieved by attaching the resistor to a heat sink or through the use of a thermal paste which is applied between the resistor and the heat sink.The SQM700JB-820R is a versatile through hole resistor designed to meet the needs of many different electronic systems. Its combination of low power resistance, small physical size and wide range temperature operation makes it a popular choice for many different types of applications.

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