BU52012HFV-TR

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Magnetic sensors have become indispensable components in modern electronics for cross-industry applications such as automotive, medical, consumer electronics, etc. The BU52012HFV-TR is a magnetic sensor switch from Rohm Company that is specifically designed to detect low-level magnetic fields and is especially suitable for high speed switching applications, such as motor current detection and end-of-travel detection. This solid state sensor switch offers superior electrical and mechanical performance and provides very fast response times.

Basic Application Field and Working Principle

The BU52012HFV-TR magnetic switch can be used in a wide range of applications and its working principle is based on the Hall effect. The Hall effect is the production of a voltage difference (the hall voltage) across an electrical conductor when it is transversed by a non-uniform magnetic field. The magnitude of this voltage is proportional to the strength of the magnetic field and its polarity depends on the direction of the magnetic field. This principle is used in the BU52012HFV-TR magnetic switch; when a magnetic field is applied to the sensor, the Hall voltage changes and this change is then used to detect the presence or absence of a magnetic field.

The Hall voltage is measured by the internal circuitry in the BU52012HFV-TR and the switch is triggered when a current above or below the trip point is detected. The trip point is pre-set before the switch is shipped and can be adjusted using a precision potentiometer. The switch can be used to detect magnetic fields of varying strength and direction, but it must be noted that it has a maximum detectable level and this should be kept in mind when selecting a magnetic field detection switch.

The BU52012HFV-TR magnetic switch is a small, compact, and reliable switch that can be used in a wide variety of applications. It has wide operating temperature range of -40°C to 105°C, making it suitable for harsh environments. The switch is also resistant to reverse polarity and has a maximum continuous current of 200mA and a maximum operating voltage of 50VDC for increased reliability.

The BU52012HFV-TR magnetic switch is an ideal solution for applications where accurate and fast detection of low-level magnetic fields is required, such as motor current detection and end-of-travel detection. The switch is also cost-effective, making it a great choice for applications where cost is a major factor.

In conclusion, the BU52012HFV-TR magnetic switch from Rohm is a reliable, cost-effective, and energy-efficient switch specifically designed for low-level magnetic field detection. With its wide operating temperature range, high current rating, and adjustable trip point, this switch is an ideal choice for a variety of applications.

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