A3281ELHLT-T
MAGNETIC SWITCH LATCH SOT23WManufacturer: Allegro MicroSystems
Categories: Switches (Solid State)
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Allegro MicroSystems A3281ELHLT-T is a Hall Effect digital switch with latching functionality, packaged in a SOT-23W. This device operates from a 4.2V to 24V supply, drawing a maximum of 8mA, and provides an open collector output capable of sourcing up to 25mA. The A3281ELHLT-T is designed to detect the presence and polarity of magnetic fields, specifically responding to the south pole with a trip field of 9mT and releasing at -9mT. Its surface mount configuration and SOT-23W package make it suitable for compact designs. This component finds application in industries such as automotive, industrial automation, and consumer electronics for position sensing, speed detection, and limit switching. The operating temperature range is from -40°C to 85°C.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Features | - |
| Packaging | Tape & Reel (TR) |
| Package / Case | SOT-23W |
| Output Type | Open Collector |
| Polarization | South Pole |
| Mounting Type | Surface Mount |
| Function | Latch |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Voltage - Supply | 4.2V ~ 24V |
| Technology | Hall Effect |
| Sensing Range | 9mT Trip, -9mT Release |
| Current - Output (Max) | 25mA |
| Current - Supply (Max) | 8mA |
| Supplier Device Package | SOT-23W |
| Test Condition | -40°C ~ 85°C |
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