A1221ELHLT-T · Motion Sensor SOT-23W
A1221ELHLT-T (Motion Sensor SOT-23W from Allegro MicroSystems) comes in a SOT-23W package. Reference unit price: ¥4.5611, minimum order 1 piece. Availability: In stock. Shenzhen Kewei Technology Co., Ltd. supplies this part from Huaqiangbei, Shenzhen, with tiered pricing, small-batch support and full BOM kitting. Prices and lead times are confirmed on inquiry.

| Part number | A1221ELHLT-T |
| Manufacturer | Allegro MicroSystems |
| Description | Motion Sensor SOT-23W |
| Package | SOT-23W |
| Category | Crystals & Sensors / Motion Sensors |
| Reference price | ¥¥4.5611 |
| Min. order | 1 pcs |
| Availability | In stock |
| Reference stock | 4,036 pcs |
A1221ELHLT-T tiered pricing (reference)
| Quantity | Reference unit price | Lead time |
|---|---|---|
| 1 pcs and up | ¥4.5611 | In stock |
| 6000 pcs and up | ¥4.4089 | In stock |
| 9000 pcs and up | ¥4.3258 | In stock |
| 15000 pcs and up | ¥4.2268 | In stock |
A1221ELHLT-T specifications
| Function | Latch |
| Technology | Hall Effect |
| Polarization | South Pole |
| Sensing Range | 9mT Trip, -9mT Release |
| Test Condition | -40°C ~ 85°C |
| Power Supply | 3V ~ 24V |
| Current - Supply (Max) | 4mA |
| Current - Output (Max) | 25mA |
| Output | Open Drain |
About the Motion Sensor SOT-23W
Allegro MicroSystems Digital Switch Latch Open Drain Hall Effect SOT-23W. In stock — 4,036 pcs available.
A1221ELHLT-T — frequently asked questions
Reference availability: 4,036 pcs, In stock. Stock and lead time are confirmed on inquiry — please contact our sales team for the latest status before ordering.
Reference unit price is ¥4.5611, minimum order 1 piece. Tiered pricing: 1 pcs and up: ¥4.5611, 6000 pcs and up: ¥4.4089, 9000 pcs and up: ¥4.3258, 15000 pcs and up: ¥4.2268. Send us your required quantity for a firm quotation.
A1221ELHLT-T is manufactured by Allegro MicroSystems in a SOT-23W package, filed under Crystals & Sensors / Motion Sensors. Allegro MicroSystems Digital Switch Latch Open Drain Hall Effect SOT-23W. In stock — 4,036 pcs available.
The minimum order quantity for A1221ELHLT-T is 1 pcs. We support small-batch trial runs as well as volume kitting, and can supply full reels, cut tape or loose parts.
Yes. Send us the original part number or the key parameters (Function, Technology, Polarization) and we will come back with pin-compatible alternatives and a quotation.
Call or WeChat +86 191 2521 1182, email 19125211182@163.com, or upload your BOM on our BOM sourcing page. We normally reply with a quotation within two hours.
Yes. We are based in Huaqiangbei, Shenzhen and ship worldwide by express courier. Tell us your destination and we will quote shipping with the parts.
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