A1421LK-T
MAGNETIC SWITCH SPEC PURP 4SIPManufacturer: Allegro MicroSystems
Categories: Switches (Solid State)
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Allegro MicroSystems A1421LK-T is an open-drain Hall Effect digital switch designed for special purpose applications. This AEC-Q100 qualified component operates from a 4V to 26.5V supply voltage with a maximum supply current of 7mA. It features temperature compensation and is sensitive to the south pole of a magnetic field, with a trip point of 2.75mT and a release point of -1.25mT. The output current is rated at a maximum of 25mA. Supplied in a 4-SIP package, this device is suitable for through-hole mounting. The A1421LK-T is engineered for demanding automotive environments and is typically utilized in applications requiring robust magnetic sensing capabilities.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Features | Temperature Compensated |
| Packaging | Bulk |
| Package / Case | 4-SSIP |
| Output Type | Open Drain |
| Polarization | South Pole |
| Mounting Type | Through Hole |
| Function | Special Purpose |
| Operating Temperature | -40°C ~ 150°C (TA) |
| Voltage - Supply | 4V ~ 26.5V |
| Technology | Hall Effect |
| Sensing Range | 2.75mT Trip, -1.25mT Release |
| Current - Output (Max) | 25mA |
| Current - Supply (Max) | 7mA |
| Supplier Device Package | 4-SIP |
| Test Condition | -40°C ~ 150°C |
| Grade | Automotive |
| Qualification | AEC-Q100 |
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