ER743R9JT

Series:	ER, CGS
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	3.9 Ohms
Tolerance:	±5%
Power (Watts):	3W
Composition:	Wirewound
Features:	--
Temperature Coefficient:	0/ +60ppm/°C
Operating Temperature:	-55°C ~ 200°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.236" Dia x 0.531" L (6.00mm x 13.50mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole ResistorsThrough hole resistors are an essential component in many of today’s electronic devices. They are a type of resistor that is designed to provide electrical resistance to an electrical current in an electronic system. In a through hole resistor, the resistor is actually housed in a hole that runs all the way through the component and into the circuit board. This type of construction allows for the electrical resistance to be adjusted more easily, and it also allows for more efficient thermal dissipation within the circuit.One of the most common types of through hole resistors is the ER743R9JT. This type of resistor is used in a variety of applications, including voltage regulation, signal generation, and power management. It is a low-power resistor that is often used in digital systems and can provide accurate and reliable power to a circuit at a wide range of temperatures.The ER743R9JT is a three-terminal resistor that is constructed from a substrate of either an electrically conducting or an insulating material. It is then coated with an insulating coating, which is designed to keep the electrical current on the substrate from leaking out and affecting other components in the circuit. The three terminals on the resistor are soldered onto the circuit board and are connected to the positive, negative, and ground lines of the circuit.The resistance of the ER743R9JT can be adjusted by changing the amount of current that passes through the resistor. This is achieved by adjusting the resistance of the substrate through the addition or removal of barrier layers on the substrate. The resistance value of the ER743R9JT is usually marked directly on the substrate with a number or a symbol.The working principle of the ER743R9JT is based on Ohm’s law, which states that the current through a resistor is directly proportional to the voltage applied across it. This means that the ER743R9JT can be used to regulate the voltage across a circuit by controlling the current passing through it. For example, a voltage regulator may use an ER743R9JT to regulate the voltage by manipulating the current flowing through it.The ER743R9JT is commonly used in a wide range of electronic applications due to its high accuracy and reliability. It is also used in applications where high power dissipation is required, such as in power converters and switching power supplies. It is also used to protect delicate electronic components from over-voltage or current overloads.In conclusion, the ER743R9JT is a through hole resistor that is commonly used in a wide range of electronic applications due to its high accuracy, reliability, and ease of use. It is a three-terminal resistor that is constructed from a substrate of either an electrically conducting or an insulating material, and its resistance value can be adjusted by changing the amount of current that passes through the resistor. It works based on Ohm’s law, and can be used to regulate the voltage across a circuit by controlling the current passing through it.

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Part Number	Manufacturer	Price	Quantity	Description