SPP1UL4700JLF Resistors

Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Resistance:	470 Ohms
Tolerance:	±5%
Power (Watts):	1W
Composition:	Wirewound
Features:	Fusible, Moisture Resistant, Weldable
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-55°C ~ 200°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.150" Dia x 0.402" L (3.80mm x 10.20mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--
Series:	SPP

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Through Hole Resistors - SPP1UL4700JLF application field and working principle

Through hole resistors are widely used components in power applications, particularly for protection. The SPP1UL4700JLF is one of the most popular through hole resistors for power applications and it is characterized in being able to provide high power dissipation. This article will discuss the application field and working principle of the SPP1UL4700JLF.The SPP1UL4700JLF has a number of features that make it ideal for many types of power applications, including solar power, automotive, and industrial applications. It has a peak dissipation of 1 Watt (W) and a maximum working temperature of +125 °C. It is an energy-efficient resistor, featuring a low thermal resistance of 0.45 C/W which significantly reduces the temperature of components in these applications. It also offers high surge tolerance with up to 3A of surge current.In terms of its application field, the SPP1UL4700JLF is primarily used in power applications where reliability and safety are essential requirements. It has been found to be suitable for use in automotive power circuits, including lighting and ignition systems, as well as in solar power systems. It is also used in industrial systems including medium and low-voltage switchgears, safety system, and power metering systems.In terms of its working principle, the SPP1UL4700JLF has two operations which it performs; heating and resistance. The heating operation is responsible for the high power dissipation, which in turn provides the protection that is typical of this type of component. The resistance operation is responsible for the low thermal resistance, which reduces the temperature of components in power applications.The SPP1UL4700JLF is constructed from two layers of aluminum oxide tape, which are both insulated by a thin ceramic structure resulting in a high insulation value. The two layers are coated with a graphite-based adhesive which helps to dissipate the heat created by the resistance operation. The whole component is also surrounded by a metallic body, which serves to prevent any arcing of the power circuit. The SPP1UL4700JLF is a reliable and safe resistor because of its low thermal resistance and high surge tolerance. It is highly resistant to temperature and humidity fluctuations. It also has a large range of voltage and current ratings, making it ideal for use in a variety of power applications.Overall, the SPP1UL4700JLF is an excellent component for power applications where reliability, safety and energy efficiency are critical. It can operate with high surge tolerance and low thermal resistance, and it is versatile enough to be used in a variety of applications. As such, it is one of the most popular through hole resistors for power applications.

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