Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
ALLEGRO A1101ELHLT-T A1101ELHLT
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ALLEGRO A1101ELHLT-T
- Type
- ALLEGRO
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ALLEGRO
- Electronic Component
- A1101ELHLT-T
- Electronic Component
- 1
- Package
- SOT-23W
- Electronic Component
- Hall Switch
- Electronic Component
- 0.32g
- Electronic Component
- 1
- Electronic Component
- BM0227708318
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3.8V~24V
- Operating Current
- 4.1mA
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
A1101ELHLT-T 产品概述
一、产品简介
A1101ELHLT-T 为美国 ALLEGRO（埃戈罗）出品的一款单极（unipolar）磁性开关，采用紧凑的 SOT-23W 封装，面向需要磁场触发开关动作的应用场景。器件在宽工作电压范围与工业级温度范围内提供稳定的数字输出，适合替代机械行程或继电器触点的非接触式检测方案。
二、主要电气与环境参数
- 工作电压：3.8 V ～ 24 V（宽电源兼容，便于系统直接供电）
- 工作电流：典型值 4.1 mA（低功耗，适合长期在线监测）
- 工作温度：-40 ℃ ～ +85 ℃（工业级温区，可靠性高）
- 封装：SOT-23W（小型化，便于表面贴装与密集 PCB 布局）
三、功能特性与行为说明
A1101ELHLT-T 为单极霍尔（磁性）开关型器件，对特定极性的磁场敏感，超过门限时产生清晰的开关输出。器件提供数字化输出，可配合上拉电阻使用以适配不同输入逻辑电平；具有内置磁滞以抑制噪声和抖动，从而实现稳定可靠的开关动作。
四、典型应用场景
- 位置或限位检测（门、盖、挡板等）
- 转速/零位检测与磁编码器前端
- 继电器、接触器替代的无触点控制
- 家电、安防与汽车非安全相关的磁感检测
五、设计与布局建议
- 在供电端并联 0.1 µF 陶瓷电容作为去耦，靠近器件引脚布置；
- 输出端如需连接 MCU，应在输出与 MCU 输入之间使用合适的上拉电阻（根据系统电压选择阻值）；
- 避免在传感区域附近放置大块磁性或高导磁率材料，以免改变感应阈值；
- SOT-23W 小型封装便于靠近测量目标安装，但应考虑焊盘热量和回流工艺的可靠性。
六、可靠性与选型提示
- 器件工作温度及电压范围充分覆盖多数工业与消费类应用，但如用于高温或安全关键系统请进行额外验证；
- 在选型时注意磁场极性与感应距离的匹配，实际项目中建议做实物标定以确认动作点与磁滞满足要求；
- 若需更高集成度或不同灵敏度，可参考 ALLEGRO 系列中其他型号以获得最佳替代方案。
以上为 A1101ELHLT-T 的概要说明，适用于快速评估与电路集成前的初步设计参考。如需引脚定义、电气特性曲线或封装尺寸图，请提供需要的详细资料类型，我可进一步整理。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
