SS445P Datasheet | Honeywell

DESCRIPTION The SS345PT/SS445P sensors are small, versatile digital Halleffect devices that are operated by the magnetic field from a permanent magnet or an electromagnet, designed to respond to a single North pole (SS345PT) or South pole (SS445P). These unipolar sensors are designed to meet the requirements of a wide range of potential applications. The internal pull-up resistor often eliminates the need for external ponents, further helping to reduce the system cost. These economical unipolar sensors are well suited for simple, high-volume, costsensitive position and motion sensing applications. The 2.7 Vdc to 7 Vdc supply voltage range allows this device to be used in low voltage applications. The SS345PT’s very small size requires less PCB (printed circuit board) space, allowing it to be used in smaller assemblies. These sensors are available in two package styles: the SS345PT in the subminiature SOT-23 surface mount package; the SS445P is available in the leaded, flat TO-92-style package. The SS345PT is available on tape and reel (3000 units per reel); the SS445P is available in a bulk package (1000 units per bag). FEATURES Subminiature package size (SS345PT) uses less space on the PCB than standard Hall-effect sensor packages such as TO-92 or SOT-89, allowing for use in smaller assemblies Tape and reel packaging (SS345PT) allows for automated ponent placement, helping to reduce manufacturing costs Small, flat TO-92-style package (SS445P) is also available Simple activation from a North pole (SS345PT) or a South pole (SS445P) makes these products suitable in a variety of potential applications such as motion control, lid closure detection, and displacement sensing Built-in pull-up resistor can easily interface with mon electronic circuits without adding external ponents, helping to reduce total system cost Ro HS-pliant materials meet Directive 2002/95/EC POTENTIAL APPLICATIONS mercial: Door or lid closure detection in appliances Speed and RPM sensing in...