45J27RE

Series:	Ohmicone® 40
Packaging:	Bulk
Part Status:	Active
Resistance:	27 Ohms
Tolerance:	±5%
Power (Watts):	5W
Composition:	Wirewound
Features:	--
Temperature Coefficient:	±20ppm/°C
Operating Temperature:	--
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.343" Dia x 0.937" L (8.70mm x 23.80mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

The 45J27RE is a through hole resistor that is commonly used in applications such as automotive, telecom, and audio. It is named because the “45” indicates that it is a 45-ohm resistor, the “J” stands for axial lead form, and the “27” stands for 2.7 watt power rating. It is also known as a fixed resistor, bridging resistor, or current sensing resistor.

Application Field

45J27RE resistors are mainly used as current carrying devices in power circuits. They are most commonly used in circuits that require high current levels, such as automotive wiring, audio amplifiers, and power supplies. In automotive applications, they are most often used as current limiting resistors, to protect other components in the circuit from overheating. They can also be used in electronic circuits as voltage dividers or in ripple-counter circuits to filter out unwanted high-frequency noise. In telecom applications, they are commonly used in carrier-current circuits to reduce high-frequency noise.

Working Principle

The 45J27RE works on the same basic principle as any other resistor. It limits the flow of current within a circuit based on its resistance value. The value of the resistor will depend on its size and material used in construction. In the case of the 45J27RE, it is constructed from a metal alloy, such as nickel-chrome or tungsten, which has a resistance rating of 45 ohms. This means it will limit the current within a circuit to 45 amps.The resistor limits the current in a circuit because it has a certain resistance. Because of this resistance, when current passes through the resistor, some of the energy is lost as heat. This heat dissipates out of the resistor and prevents the current from growing too large. This helps protect the other components in the circuit from damage.The resistor also works as a voltage divider, which means it divides the voltage in a circuit in order to create a smaller output voltage. It does this by introducing a load into the circuit which absorbs some of the voltage. This helps ensure that the voltage in the circuit remains at a safe level, preventing components from becoming damaged.

Conclusion

The 45J27RE is a through hole resistor that is used in many different applications. It is most commonly used as current limiting resistors in power circuits, such as automotive wiring and power supplies. It also works as a voltage divider to reduce the voltage within a circuit and help protect other components from damage. Its resistance value is determined by its size and material used in construction, and it typically has a resistance rating of 45 ohms.

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