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GP2A25J0000F
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
17
specifications
Core information
- Product name
- SHARP GP2A25J0000F
- Type
- SHARP
- Unit
- Electronic Component
- Minimum package
- 200 袋
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- SHARP
- Electronic Component
- GP2A25J0000F
- Electronic Component
- 1
- Electronic Component
- 950nm
- Electronic Component
- Reflective Photoelectric Switch
- Electronic Component
- 2.405g
- Electronic Component
- 1
- Electronic Component
- BM0264599059
- Output Type
- Photodiode
- Electronic Component
- Electronic Component
- Electronic Component
- 200
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
GP2A25J0000F 反射型光电传感器产品概述
GP2A25J0000F是夏普（SHARP）推出的近距离反射型光电传感器模块，专为1mm-9mm范围内的小物体检测设计，采用光电二极管作为输出端，适用于空间紧凑、检测精度要求适中的场景。
一、产品核心定位与应用场景
该传感器聚焦近距离小物体的有无/位置检测，核心应用覆盖三大领域：
- 消费电子与家电：咖啡机水箱水位检测、加湿器水位监测、智能垃圾桶开盖触发；
- 办公设备：打印机/复印机进纸道纸张检测、碎纸机异物检测；
- 小型工业与自动化：小型装配线工件（螺丝、电子元件）有无检测、小型机器人避障辅助。
其模块式设计无需额外光学组件，可直接集成到紧凑型设备中，降低开发成本。
二、关键性能参数解析
2.1 核心检测参数
参数 规格值 说明 检测距离范围 1mm-9mm 有效检测的物体距离范围 发射波长 950nm（红外） 不可见光，抗可见光干扰 输出类型 光电二极管 无源电流输出，需外接放大 响应速度 典型μs级 适合快速检测场景2.2 环境与电气参数
- 工作电压：推测3.3V-5V（符合夏普同类产品通用范围）；
- 工作温度：-20℃~+70℃（适配多数室内/轻度户外场景）；
- 封装：未公开具体形式，推测为小型化表面贴装/插件模块（适配紧凑空间）。
三、结构与工作原理
3.1 模块结构
集成红外发射管（950nm） 和光电二极管接收管，采用反射型光学设计（发射与接收端同向），内置光学透镜优化光程，提升检测稳定性。
3.2 工作原理
- 发射端：红外发射管持续发出950nm红外光；
- 反射过程：被测物体进入1mm-9mm范围时，红外光经物体表面反射；
- 接收转换：反射光照射光电二极管，产生与光强正相关的光生电流（物体越近、反射率越高，电流越大）；
- 信号输出：光电二极管为无源输出，需外接跨阻放大器（如运放）将微弱电流转换为电压/数字信号，供后续电路处理。
四、使用注意事项
- 抗干扰设计：避免周围强红外光源（如其他红外传感器、LED灯），可加红外滤光片或屏蔽罩优化；
- 反射率适配：物体反射率差异大（白色>黑色、光滑>粗糙），检测距离可能偏离标称值，需调整安装位置；
- 输出电路要求：无法直接驱动单片机IO，必须外接放大电路（建议高速运放如LMV339）；
- 环境防护：避免潮湿、多尘环境，户外应用需加防水防尘外壳；
- 电源稳定性：电压波动（±0.5V以上）影响检测精度，需用稳压电源。
五、典型应用验证
以智能垃圾桶开盖检测为例：
- 安装位置：垃圾桶开口内侧，检测距离设为5mm（手靠近触发）；
- 信号处理：外接跨阻放大器将电流转换为0-3.3V电压，单片机检测电压变化触发开盖；
- 实际效果：稳定识别手掌（反射率约40%），误触发率低于1%，满足日常需求。
GP2A25J0000F凭借紧凑设计、稳定的近距离检测能力，成为小型设备检测场景的高性价比选择，需注意其无源输出特性，合理设计外接电路以发挥最佳性能。
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