E300K3R1

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The E300K3R1 is an adjustable power resistor from Murata Electronics. It is an efficient, reliable, and cost-effective alternative to traditional resistors. It is designed to provide resistance variation for audio and power applications, especially for variable power supplies, voltage control circuits, and load distribution circuits. The unique design of this adjustable power resistor is ideal for applications including the control of current or voltage in medical and industrial equipment, power supplies, automotive systems, and telecommunications circuits.

The E300K3R1 is a versatile four-terminal adjustable power resistor and consists of three discrete resistors with one common terminal. In addition to multiple resistance values, the E300K3R1 also offers several ranges of non-linear curves. This enables users to use the device as a voltage or current controller, as well as a load balancing device. This device has a wide range of applications such as high-end audio amplifiers, as well as power supplies and industrial/automotive applications.

The E300K3R1 has an adjustable resistance range of 0.1Ω to 3.0Ω. Its operating temperature range is -55°C to +125°C and its maximum power dissipation rating is 3.5 W. It also has a maximum voltage rating of 200 V. Its impedance is low, enabling it to offer steady performance under varying environmental conditions.

The E300K3R1 is a high-precision adjustable power resistor that is capable of fine adjustments for precise control. Its unique design provides high-temperature stability, which is essential in many applications. Its wide application fields include voltage and current control, load balancing, medical equipment, power supplies, automotive systems, telecommunications circuits, and many other diverse applications.

The E300K3R1 also provides excellent reliability due to its electroless nickel plating and hermetic seal. This helps to ensure an optimal lifetime performance in challenging environmental conditions. Additionally, its high-temperature stability helps to reduce the need for circuit layout changes in high-temperature applications. The device also offers low EMI/RFI emissions, making it an ideal choice for various applications.

The working principle of the E300K3R1 is based on the three discrete resistors with one common terminal. When the current flows through the common terminal, the resistors act as a single resistor, offering a variable resistance value. The resistors are adjusted via a single external control voltage, which can be varied to achieve the desired resistance value. This enables the use of this device in applications where the resistance needs to be precisely adjusted.

Overall, the E300K3R1 is an efficient and reliable adjustable power resistor that is suitable for a variety of applications. Its wide range of applications, high precision, temperature stability, hermetic seal, and low EMI/RFI emissions make it an excellent choice for audio and power applications. It is ideal for variable power supplies, voltage control circuits, and load distribution circuits.

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