H427R4BYA

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H427R4BYA is a through hole resistor, which is used in wide range of applications, from consumer electronic products to industrial electronics. It is specifically designed for high-precision digital current sensing applications. As a high-current, low-ohmic series, H427R4BYA utilizes a revolution in high-speed low-ohmic sensing technology. It is designed to address the speed and accuracy requirements of current sensing applications.

The unique features of H427R4BYA include:

• Excellent temperature stability over a wide operating temperature range
• Lower source impedance than traditional current sense resistors
• Higher accuracy over a wide range of operating frequencies
• Very good immunity to noise and vibrations

In an application, H427R4BYA can be used to sense current in both AC and DC circuits. It can be used to measure AC and DC current, as well as monitor current in high-speed switching circuits. When used in switching circuits, it can accurately detect very small changes in the current.

The working principle of H427R4BYA is based on the Ohm’s Law. In Ohm’s Law, the current through a resistor is equal to the voltage across it divided by the resistance of the resistor. The H427R4BYA works by sensing current through a wiper which is connected to a PCB. The resistance of the sensing element changes when an AC or DC voltage is applied to the wiper.

When measuring AC current, the resistance of the sensing element is proportional to the sine wave peak value. For DC current measurements, the resistance varies as the current flowing through it changes. This enables the sense resistor to accurately measure and detect changes in the voltage and current of the circuit it is connected to.

The H427R4BYA is a reliable and cost-effective current sense resistor. It is able to accurately measure and detect AC and DC currents with very low source impedance. It can also be used to measure current in high-speed switching circuits. The resistance of the sensing element remains constant over a wide operating temperature range, ensuring high accuracy during operation.

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