CJT1201K2JJ

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Chassis Mount Resistors form one of the most critical components in a number of electrical circuits. The CJT1201K2JJ is a chassis mount resistor that combines a low resistance value and a high power rating to enable designers to achieve higher levels of performance and power efficiency in their designs. In this article, we will discuss the application fields and working principle of the CJT1201K2JJ.

The CJT1201K2JJ is a two-terminal, surface mount resistor which is designed for use in wide and narrow band systems. With a power rating of 6W and a resistance range of 10Ω to 500Ω, the D-Pak package limits the overall dimensions of the component, while still providing high power ratings suitable for audio and signal processing circuitry.

This chassis mount resistor is typically used in applications where current and/or voltage is limited to reduce interference and noise. For example, it can be used as a power supply rail voltage limiter in switched-mode power supplies or as an attenuator in signal processing systems. Additionally, its low resistance and high power rating make it suitable for driving large loads, such as capacitive loads requiring high di/dt.

The CJT1201K2JJ works by providing a thermal limit to current. It has a temperature coefficient of approximately ± 100ppm/°C which allows it to operate in temperature-sensing and compensation applications. This ensures that the resistance of the component remains relatively constant over a wide temperature range. It also has a low thermal resistance which enables it to dissipate heat quickly, protecting the components from overheating.

The CJT1201K2JJ is also designed for use in high-precision and temperature-sensitive circuits. It has a noise level of 0.1 μV and a maximum offset of 0.01% which enable it to be used in high-precision applications. Additionally, its body construction ensures that its thermoelectric potential remains constant during operation, providing maximum stability.

In conclusion, the CJT1201K2JJ offers a wide range of features that make it suitable for a variety of applications. Its low resistance and high power rating enables it to be used in applications such as power supply rail voltage limiting and signal processing, while its high precision and thermoelectric stability make it ideal for high-precision and temperature-sensitive circuits.

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