ERA-2AEB4991X Resistors

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Chip resistors are common form in the electronics industry due to its small size and compatibility with surface mount technology. The ERA-2AEB4991X chip resistor is a surface mount device developed by ERA Components, with its key characteristics and working principle outlined below.

Product Description

ERA-2AEB4991X is a 1206 size chip resistor for surface mount technology. It is offered with a 0.5 Ω ± 1 % tolerance value and a power rating of 0.25W. The temperature coefficient is 100ppm/°C and the operating temperature range is -55°C to +150°C. Additionally, it features a very low current coefficient of 0.01ohm/°C. It is available in tape and reel packaging.

Typical Applications

The ERA-2AEB4991X can be used in many different applications due to its features and form factor. It is widely used in automotive and other high temperature applications. ERA-2AEB4991X is also suitable for use in high-current circuits and feedback loop circuits, as well as any application requiring extremely high stability and minimal temperature drift.

Working Principle

The ERA-2AEB4991X chip resistor is based on a metal oxide film resistor technology. The resistor element is a metal film deposited on an alumina substrate. The metal film is etched to the desired resistance level and covered with a layer of passivation to protect the element from external environment. The pins are attached to the leads on either side of the element, and the leads are soldered to the circuit board. The substrate absorbs moisture and other environmental contaminants to prevent oxidation of the resistor. The electrical characteristics are maintained over a wide temperature range.

Advantages

The advantages of the ERA-2AEB4991X chip resistor include its small size and long-term stability. The device has a very low electric power dissipation and high resistance stability at high temperatures. It is also highly reliable due to its corrosion-resistant body. The device has a low profile, making it suitable for applications with space restrictions. Additionally, its high frequency stability provides superior performance in feedback loop circuits.

Conclusion

ERA-2AEB4991X chip resistor is a surface mount device developed by ERA Components. It is a 1206 size chip with 0.5 Ω ± 1 % tolerance value and 0.25W power rating. It is suitable for a variety of automotive, high-temperature, high-current and feedback loop circuits and applications, due to its low profile, high resistance stability and high frequency stability. The ERA-2AEB4991X is an ideal choice for reliable and robust performance in extreme conditions.

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