93J120

Series:	90
Packaging:	Bulk
Part Status:	Active
Resistance:	120 Ohms
Tolerance:	±5%
Power (Watts):	3.25W
Composition:	Wirewound
Features:	Flame Retardant Coating, Safety
Temperature Coefficient:	±30ppm/°C
Operating Temperature:	--
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.233" Dia x 0.579" L (5.90mm x 14.70mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Introduction of Through Hole ResistorsThrough hole resistors are a kind of resistors used in circuits, featuring large power dissipation, low resistive loss, small temperature coefficient and low noise. But with the development of modern electronic products, the increasing demand for miniaturization and miniaturization, the original through hole resistors have gradually stepped out of the stage of electronic components.93J120 Application Field and Working Principle93J120 is a through-hole resistor developed on the basis of the traditional through-hole resistor, made of flame retardant thermoplastic material, in order to achieve flame-retardant, corrosion resistant and long life characteristics. Due to its small size, low cost, wide temperature range, high power capacity, stable performance and flame-retardant feature, 93J120 is widely used in the fields of industrial automation, power supplies, uninterruptible power supply and so on.The working principle of 93J120 is quite simple. It is based on the conversion of electrical energy into thermal energy. It is mainly composed of three parts: two heat-conducting terminals and a resistor element. The resistor element is usually made of a metal alloy, which limits the current through the device by increasing the resistance. When current flowing through the resistor element, the energy produces a certain amount of heat, far-end terminals as heat sinks for heat transfer, and then discharge to environment by natural convection. Through this process, 93J120 can achieve its purpose of power conversion.Characteristic93J120 is characterized by high power capacity, fire protection, stable performance, better heat dissipation, low temperature coefficient and noise. It has the grid structure of flame retardant plastic base, copper or nickel plated terminals, and metal alloy resistors element.93J120 has high power capacity because of its better heat dissipation performance. The metal alloy resistor element converts the electrical energy into thermal energy by limiting the current through the device. The thermal energy generated can be quickly discharged by natural convection, thus achieving the purpose of power conversion.In addition, because of the flame retardant plastic base, 93J120 has good fire protection performance. When the device is in danger of over-current or over-temperature, the grid structure of the flame retardant plastic base can prevent the damage from spreading, thus achieving the purpose of flame retardation.At the same time, 93J120 is characterized by low temperature coefficient and low noise. The grid structure of the flame retardant plastic base can make the device maintain a low thermal coefficient and low noise at a high working temperature.ConclusionBy introducing the application field and working principle of 93J120, it can be seen that the 93J120 through-hole resistor has excellent power conversion, flame retardation, heat dissipation, low temperature coefficient, low noise and other characteristics, which make it widely used in industrial automation, power supplies and uninterruptible power supply and other fields.

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