EWT225JB50R0

Operating Temperature:	-55°C ~ 350°C
Failure Rate:	--
Package / Case:	Radial, Tubular
Lead Style:	Tab
Height - Seated (Max):	--
Size / Dimension:	1.126" Dia x 10.512" L (28.60mm x 267.00mm)
Mounting Feature:	Brackets (not included)
Coating, Housing Type:	Vitreous Enamel Coated
Features:	Flame Proof, Safety
Series:	EWT
Temperature Coefficient:	--
Composition:	Wirewound
Power (Watts):	225W
Tolerance:	±5%
Resistance:	50 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount Resistors are components which are principally used to limit the flow of charge or current in an electrical system. In most cases, they are used to help protect other components from being damaged by over current situations caused by wiring mistakes, or fault currents caused by system faults. The EWT225JB50R0 is an example of a general purpose Chassis Mount Resistor specifically designed to be used in military applications.The EWT225JB50R0 is an encapsulated ceramic, open frame Chassis Mount Resistor. This design encapsulates the resistor in a ceramic material, allowing it to be mounted in a chassis without compromising its performance. The open frame design allows the resistor to dissipate heat more efficiently, and the ceramic casing provides a higher level of durability in applications where a damaging external force is expected. The EWT225JB50R0 is rated for a maximum of 225 Watt, and is capable of operating from -55°C up to 150°C.One of the primary applications of the EWT225JB50R0 is as a resistor in high frequency and power supply applications. In this scenario, the resistor precisely controls the voltage and current flow, ensuring that the system does not suffer a voltage or current surge. It is also suitable for voltage and current limiting applications, where the resistor helps regulate the current level in an electrical system.The working principle of the EWT225JB50R0 is based on Ohm’s Law, which states that the current flowing through a resistor is proportional to the voltage across it. Therefore, the EWT225JB50R0 has a resistance value, which affects the amount of current flowing through it. The resistance is provided by the ceramic encapsulated resistor, and varies depending on the manufacturer.The resistance value of the EWT225JB50R0 can be determined by measuring the voltage and current flowing through it. The measurement of current is taken using an ammeter or current clamps, while the voltage is measured using a voltmeter. The voltage is measured across the resistor, while the current is measured through it. The resistance can then be determined by dividing the measured voltage by the measured current and multiplying by the resistor’s inductive reactance.The EWT225JB50R0 is a versatile and robust component which is well suited for a number of military applications. It provides a precise level of current and voltage control, and its ceramic casing provides a high level of durability. Furthermore, its open frame design helps dissipate heat more efficiently, making it suitable for high power applications.

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