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KTY82/210,215 KTY82
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- NXP KTY82 / 210, 215
- Type
- NXP
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- KTY82/210,215
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- PTCThermistor Resistor
- Electronic Component
- 0.025g
- Electronic Component
- 2kΩ
- Electronic Component
- 1
- Electronic Component
- BM0231073279
- Operating Temperature
- 55℃~+150℃
- 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.
KTY82/210,215 系列产品概述
一、产品简介
KTY82/210、KTY82/215 为恩智浦（NXP）出品的小尺寸 PTC 温度敏感元件，封装为 SOT-23，标称阻值 2 kΩ（常温 25 ℃ 下）。器件属于正温度系数热敏电阻（PTC），在温度升高时阻值呈单调上升特性，工作温度范围宽（-55 ℃ 至 +150 ℃），适合用于表面贴装、空间受限的电路中做温度监测与过温保护。
二、主要特性
- 标称阻值：2 kΩ（常温 25 ℃，具体标称温度请参阅规格书）
- 温度范围：-55 ℃ ~ +150 ℃，高温耐受能力强
- 封装：SOT-23，适配标准 SMT 工艺，低热容量、响应快
- 极性/引脚：通常为三脚封装，支持单端或差分测量（具体引脚定义参见器件文档）
- 温度系数：PTC 型，随着温度上升阻值增加，适合过温检测与限流应用
三、典型应用场景
- 过温保护与温度限幅（工业电源、功率模块、充电器）
- 温度监测与控制（家电、办公设备、汽车车身电子温度采集）
- 热补偿与电路温度漂移校正
- 小型传感器阵列与便携设备的局部温度监测
四、设计与电路建议
- 测量方式：常用恒流源加测量电压法或分压法读取阻值变化；用于开关量检测时可并联偏置电阻形成门限比较器。
- 热耦合：SOT-23 封装热阻较小，保证良好 PCB 热耦合以获得准确响应；若需要测量环境温度，可在元件周围留空或使用热垫改进响应特性。
- 滤波与去耦：在高噪环境下建议对测量节点做 RC 滤波或软件滤波以提高稳定性。
- 校准：若用于精密测温，需对器件的阻温特性做片上或系统级校准，因个体差异会影响绝对精度。
五、封装与可靠性注意事项
- 焊接工艺：适用于常规回流焊工艺，建议遵循 NXP 推荐的回流温度曲线以防封装应力或性能偏移。
- 清洗与化学兼容性：焊后清洗需使用对封装和引脚无损伤的溶剂，避免长期浸泡导致机械应力。
- 机械应力：避免在引脚或封装上施加过大弯曲力，贴装过程中的剪切应力可能影响长期稳定性。
- ESD 防护：尽管为被动元件，安装与测试过程仍建议做好静电防护。
六、与其他温度传感器的比较
- 对比 NTC 热敏电阻：PTC（本器件）阻值随温度升高而上升，适合做过温检测和限流；NTC 更常用于高精度温度测量与快速响应场合。
- 对比硅温度传感器（如带有线性输出的芯片传感器）：硅传感器通常线性度更好且易于数字化，PTC 则结构简单、成本低、对过温保护更直接可靠。
七、选型与采购建议
在最终选型与量产前，请务必下载并仔细阅读恩智浦的 KTY82/210、KTY82/215 规格书，核对阻温曲线、阻值公差、封装尺寸、焊接条件及环境可靠性测试结果。如需替代或匹配现有设计，可通过测量样片的实际阻温曲线进行对比验证，确保系统级表现满足要求。
若需进一步的电气参数曲线、典型应用电路或 PCB 布局建议，可提供具体使用场景与上位电路，我可以据此给出更详细的设计建议。
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