SQZ20AJB-150K

Series:	SQZ
Packaging:	Bulk
Part Status:	Active
Resistance:	150 kOhms
Tolerance:	±5%
Power (Watts):	20W
Composition:	Metal Oxide Film
Features:	Anti-Arc, Flame Proof, Moisture Resistant, Safety
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Radial - 4 Leads
Supplier Device Package:	Radial Lead
Size / Dimension:	2.480" L x 0.492" W (63.00mm x 12.50mm)
Height - Seated (Max):	0.532" (13.50mm)
Number of Terminations:	2

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Through Hole Resistors – SQZ20AJB-150K Application Field and Working Principle

Through hole resistors, such as the SQZ20AJB-150K model, are typically used in unipolar resistors for power dissipation and temperature coefficient adjustments. They feature a 90-degree lead package with a 180-degree body angle that allows easy mounting on two-sided boards. The SQZ20AJB-150K has a rated power dissipation of 250mW and a 1.0K ohm resistance, making it suitable for a wide range of applications from DC/DC converters to audio amplifiers.Through hole resistors are made from ceramic materials and are die cast into a cylindrical shape with a central hole. Once molded, the resistor is coated with a metal oxide to reduce its resistance value to the desired level. The amount of metal oxide applied to the resistor will vary depending on its desired resistance rating, and this will determine its heat characteristic. The resistance level of the resistor will also depend on the type of metal oxide used, as different metals will react differently to heat.The working principle of through hole resistors is based on the fact that electrical current flows through the resistance inversely proportional to the amount of resistance offered by the resistor. When current passes through the resistor, a proportion of it is converted into heat, which is dissipated into the surrounding environment. The higher the resistance, the more heat is dissipated and the greater the voltage drop across the resistor\'s terminals.This makes through hole resistors ideal for applications that require voltage drops, such as DC/DC converters. The voltage drop across the terminals of the resistor will determine the current that will be drawn, allowing precise control over the current draw. Furthermore, the cooling properties of the resistor\'s metal oxide layer ensure that its resistance value remains stable even under high temperatures.In addition, through hole resistors are ideal for use in audio amplifiers, as they are able to provide accurate regulation of the thermal operating range and maintain excellent high frequency sound quality. The SQZ20AJB-150K through hole resistor is particularly well suited to these applications due to its low noise levels, tight tolerances, fast rise time, and high frequency stability.In conclusion, the SQZ20AJB-150K through hole resistor is a reliable and efficient resistor, perfect for a wide range of applications requiring precision voltage control and excellent sound quality. With its low resistance, tight tolerances, and high frequency stability, the SQZ20AJB-150K is an excellent choice for any system requiring accurate temperature and voltage regulation.

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