Series:	RNF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	5.49 MOhms
Tolerance:	±1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	Flame Retardant Coating, Safety
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.093" Dia x 0.250" L (2.35mm x 6.35mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

RNF14FTD5M49 Application Field and Working Principle

Through-hole resistors have been around since the first days of electronics. Their use can be traced back to the early days of transistors and integrated circuits. Through-hole resistors have the advantage of providing electrical isolation and protection for components. This makes them an ideal choice for applications facing higher-than-normal vibration, shock, and temperature ranges, as well as for situations that require replacement of components.The RNF14FTD5M49 is a through-hole resistor manufactured by Vishay, and is widely used for various electrical applications. The RNF14FTD5M49 is a 5-watt, 5-ohm resistor with a ±10% tolerance. This resistor has a maximum total power dissipation of 5 watts and a continuously operating temperature range of -55°C to +155°C. This resistor is constructed using thick film ceramic technology, with a NTC designation. It is widely used in power supplies, lighting applications, automotive systems, and medical devices.The working principle of the RNF14FTD5M49 is simple. It has two terminals that allow for the attachment of electrical wire or other components. The two terminals have different electrical resistances. When an electrical current passes through them, a certain amount of voltage will drop across each terminal. This voltage drop is proportional to the amount of electrical current travelling through the resistor. The result is a decrease in overall current flow.The amount of voltage dropped across the two terminals is determined by the resistor’s resistance value. The resistance value of RNF14FTD5M49 is 5 ohms ±10%. This means that a 5-ohm resistor, such as RNF14FTD5M49, will drop 0.5 volts (V) across each terminal when a 1-ampere (A) current is applied. When current is applied to the resistor, a small amount of power is dissipated. This power is then dissipated as heat energy.In conclusion, the RNF14FTD5M49 through-hole resistor is a versatile and reliable component with wide ranging applications in power supplies, lighting applications, automotive systems, and medical devices. Its working principle is based on resistance, with a voltage drop across each terminal proportional to the amount of current applied. The RNF14FTD5M49 is a 5-watt, 5-ohm resistor with a maximum total power dissipation of 5 watts and a continuously operating temperature range of -55°C to +155°C. As a result, it is suitable for a wide range of applications.

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