| Allicdata Part #: | HAL508SF-A-ND |
| Manufacturer Part#: |
HAL508SF-A |
| Price: | $ 0.29 |
| Product Category: | Sensors, Transducers |
| Manufacturer: | TDK-Micronas GmbH |
| Short Description: | MAGNETIC SWITCH UNIPOL SOT89B-1 |
| More Detail: | Digital Switch Unipolar Switch Open Drain Hall Eff... |
| DataSheet: |  HAL508SF-A Datasheet/PDF |
| Quantity: | 1000 |
| 2000 +: | $ 0.26681 |
Specifications
| Series: | HAL® |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Last Time Buy |
| Function: | Unipolar Switch |
| Technology: | Hall Effect |
| Polarization: | South Pole |
| Sensing Range: | 20.7mT Trip, 13.5mT Release |
| Test Condition: | 25°C |
| Voltage - Supply: | 3.8 V ~ 24 V |
| Current - Supply (Max): | 4.2mA |
| Current - Output (Max): | 20mA |
| Output Type: | Open Drain |
| Features: | Temperature Compensated |
| Operating Temperature: | -40°C ~ 140°C (TA) |
| Package / Case: | TO-243AA, Variant |
| Supplier Device Package: | SOT-89B-1 |
Description
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Magnetic sensors are used in automation and various control systems to detect and measure the presence, direction or strength of a magnetic field. Among all the different types of magnetic sensors, magnetic switches (also known as solid-state switches) are the most commonly used, as they are relatively simple, have a long life span and are economical. The HAL508SF-A is a magnetic switch manufactured by HWei Tech Co. Ltd, made specifically for sensing the presence or absence of an external magnetic field. This article provides an overview of the application field and working principle of the HAL508SF-A.
The HAL508SF-A is a double-ended magnetic sensor switch intended for use in environments where the presence of a magnetic field must be detected reliably. The device contains two switches in one housing; each switch comprises two reed switches as a form of contactless switch actuated by a magnet. The device is encapsulated with a sealed ABS/PU housing to protect against debris and moisture. The HAL508SF-A is a reliable switchdesigned to provide reliable detection for a wide range of applications, including industrial, electronics, security and medical equipment. It is capable of detecting both ferromagnetic and paramagnetic materials such as iron, steel, nickel or alnico, with a resolution of 0.1mT and a response time of 6ms or less.
The working principle of the HAL508SF-A is based on the fact that when a magnet comes in close proximity to the HAL508SF-A switch, it causes a change in the magnetic flux fields in the poles of the switch. This change in the flux field triggers the switch, causing it to close or open. The magnetic field required to trigger the switch is adjustable, and parameters such as sensitivity and triggering distance can be accurate set using the integrated potentiometer.
The primary application of the HAL508SF-A is the detection of a magnetic field, for example, motion detection, door sensing, and security systems. It can also be used in many other applications, such as robotics, elevator control, process automation, and unmanned vehicles, where reliable switch action is required. The HAL508SF-A is designed to continuously provide accurate switch action in applications subjected to high-vibration and high-temperature environments .
In conclusion, the HAL508SF-A is a double-ended magnetic switch suitable for use in a wide range of applications requiring reliable switch action. It has a wide magnetic field detection range and a long-life span. The device is encapsulated in a robust ABS/PU housing to protect against debris and moisture, making it ideal for use in high- vibration and high-temperature environments.
The specific data is subject to PDF, and the above content is for reference
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