CA4120300R0JS73

Series:	CA
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	300 Ohms
Tolerance:	±5%
Power (Watts):	4.8W
Composition:	Wirewound
Features:	--
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-65°C ~ 275°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.140" Dia x 1.594" L (3.56mm x 40.49mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

Through hole resistors are passive electronic components consisting of one or more resistors that are placed in an aperture or drilled hole in the circuit board. This type of resistor is often referred to as thru-hole or PTH (Plated Through Hole), because they rely on a plating process to coat the terminal leads and any exposed components. Through hole resistors are the most common form of resistor used in printed circuit boards (PCBs) and are usually used as discrete components or as part of an assemblage.The most common types of through hole resistors are discrete, surface mount, and chip resistors. Discrete resistors are single through hole devices used to provide a specific resistance value for an electrical circuit. Surface mount resistors are mounted on the surface of the board and are usually much smaller than the discrete types. Chip resistors are the smallest type and consist of one or more resistors placed on a single chip.The CA4120300R0JS73 is a through hole, precision 5% 5W resistor with an operating temperature range of -55°C to +155°C. This device is constructed from high grade, low temperature coefficient, non-inductive metal-film resistive alloy housed in a robust, Epoxy-Phenol-Fiberglass case. The resistor has a high power rating, so it can be used in both DC and AC circuits. It is highly resistant to temperature, moisture, and humidity, making it suitable for most applications.The most obvious application field for the CA4120300R0JS73 is in electronic circuit boards for power supplies, amplifiers, audio systems, communications devices, and related products. This resistor can also be used in precision signal conditioning circuits, instrumentation amplifiers, and computer printed circuit boards.The working principle of a through hole resistor is quite simple. When a voltage is applied to its terminals, current flows through it, and the flow of current is proportional to the voltage applied. The resistor acts as a load or obstacle to the electric current, and the amount of electrical energy is dissipated in heat. The actual value of resistance is measured by the number of ohms, or resistance force, it can provide against the current. The actual value of resistance depends on the material and the physical structure of the resistor.Through hole resistors have various advantages. Their size and position in the circuit board makes them easier to maintain and replace than surface mount resistors. Edge connectors, which can be used with through hole resistors, can also keep the board connectors more secure than they are compared to surface mount resistors. Additionally, due to their robust nature, through resistors are very durable and reliable. This device also has a high power rating of 5W, which makes it suitable for high power applications.In conclusion, the CA4120300R0JS73 is a 5% 5W through hole resistor that can be used in a number of applications. Its robust construction makes it highly resistant to temperature, moisture, and humidity, while its high power rating means it can be used in both DC and AC circuits. This device is an ideal choice for most power supplies, amplifiers, audio systems, communications devices, and related products.

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