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KTY81/210,112 KTY81
Configuration
1 options
Configuration
23+
Available for RFQ
Technical data
Product details
13
specifications
Core information
- Product name
- NXP KTY81 / 210, 112
- Type
- NXP
- Minimum package
- 4000
Technical parameters
- Electronic Component
- NXP
- Electronic Component
- KTY81/210,112
- Electronic Component
- 1
- Package
- SOD-70-2
- Electronic Component
- Temperature Sensor
- Electronic Component
- ±1.27℃
- Electronic Component
- 0.214g
- Electronic Component
- 1
- Electronic Component
- BM0226884446
- Electronic Component
- 4000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
KTY81/210,112 产品概述
KTY81/210,112 系列为恩智浦（NXP）出品的硅基模拟温度传感器芯片，采用 SOD-70-2 小封装，适合空间受限且需高可靠性的温度测量场合。器件工作温度范围宽（-55 °C 至 +150 °C），对温度变化呈线性响应，便于与常用模拟测量电路直接配合使用。
一、产品特点
- 精度表现：标称精度 ±1.27 °C（典型条件下）；在全温区的测量误差通常落在 ±2.5 °C 至 ±5.0 °C 范围内。
- 响应线性：硅传感结构使输出随温度近似线性，便于温度-电压/电阻的直接换算与标定。
- 宽温度范围：-55 °C 到 +150 °C，适合工业级与汽车级环境。
- 小封装：SOD-70-2 体积小、便于表面贴装或通过孔安装，利于批量化生产与成本控制。
二、主要电气与机械参数
- 温度测量范围：-55 °C ~ +150 °C。
- 输出类型：模拟（电阻或电压，视具体衍生型号与应用电路而定）。
- 封装形式：SOD-70-2（双引脚/三引脚布局，具体引脚排列请参照 datasheet）。
- 品牌与可靠性：NXP（恩智浦），适配工业级质量管理与长期供应链保障。
三、典型应用场景
- 工业过程温度检测：电机、变压器、加热器等设备的温度监控。
- 消费电子与家电：电源、充电器、空调和冰箱等温度补偿与保护。
- 汽车电子（视具体车规认证）：温度感知与热管理系统。
- 测试与测量设备：实验室温控与环境监测模块。
四、使用建议与注意事项
- 校准：为获得最佳精度，建议在目标工作温区进行一次线性校准或两点校准，补偿器件偏差与系统误差。
- 布局：传感器应远离大功率发热元件和热源辐射面，必要时利用导热垫或金属支架实现良好热耦合。
- 引线与阻抗：模拟输出对连线阻抗敏感，尽量减小导线长度并在高阻抗路径上加缓冲放大器。
- 热冲击与机械应力：封装虽小，但仍需避免剧烈热循环与焊接时的过热，按厂商推荐的回流焊曲线处理。
五、典型电路与测试
- 常用连接方式包括恒流源驱动测量电阻和桥式/差分放大器测压测温两种方案。
- 在设计时应加入滤波与防抖电路（RC 或更复杂的数字滤波），以抑制瞬态噪声对测温结果的影响。
- 出货前建议做全温区扫描测试（低温、中温、高温）以确认误差曲线并生成补偿表或系数。
总结：KTY81/210,112 系列以其线性响应、宽温区和小型封装，适合需要稳定模拟温度测量的多种场合。采购与设计时应参照 NXP 官方 datasheet 获取详细引脚、电气特性和焊接规范，以确保在目标应用中实现所需的精度与可靠性。
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