A1421LK
MAGNETIC SWITCH SPEC PURP 4SIPManufacturer: Allegro MicroSystems
Categories: Switches (Solid State)
Quality Control: Learn More
Allegro MicroSystems A1421LK is an open-drain Hall Effect digital switch designed for special purpose applications. This Automotive Grade component features temperature compensation and is qualified to AEC-Q100 standards. It operates with a supply voltage range of 4V to 26.5V and a maximum supply current of 7mA, delivering an output current of up to 25mA. The device is sensitive to the South Pole of a magnetic field, with a trip point of 2.75mT and a release point of -1.25mT. Packaged in a 4-SIP (4-SSIP) for through-hole mounting, the A1421LK is suitable for demanding environments with an operating temperature range of -40°C to 150°C. Its robust specifications make it ideal for use in automotive systems.
Additional Information
Series: -RoHS Status: RoHS Compliant By ExemptionManufacturer 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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