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RUILON SMD1206P025TF
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON SMD1206P025TF
- Type
- RUILON
- Minimum package
- 4500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- SMD1206P025TF
- Electronic Component
- 1
- Electronic Component
- 1.9mm
- Package
- 1206
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.033g
- Electronic Component
- 3.6mm
- Electronic Component
- 1mm
- Electronic Component
- 1
- Electronic Component
- 80ms
- Electronic Component
- BM0246640427
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 16V
- Power(Pd)
- 600mW
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMD1206P025TF 产品概述
一、产品简介
SMD1206P025TF 是 RUILON（瑞隆源）系列的 1206 封装自恢复 PTC（聚合物正温度系数）保险丝，专为小体积低压电路提供过流保护。器件在过载或短路发生时自动跳闸并在故障消除后复位，适用于移动设备、工业接口及消费电子的局部保护需求。
二、主要性能参数
- 最高耐压（Vmax）：16 V
- 最大允许电流（Imax）：10 A（短时脉冲能力，非连续工作电流）
- 保持电流（Ihold）：250 mA（在规定环境温度下长期不动作的最大电流）
- 跳闸电流（Itrip）：500 mA（在规定条件下器件进入高阻态的典型阈值）
- 动作时间：约 80 ms（从过流到跳闸的典型时间）
- 功耗（Pd）：600 mW（在额定条件下的最大功耗）
- 初始态阻值（Rmin）：0.35 Ω
- 跳断后阻值（R1max）：≤ 2.5 Ω
- 工作温度范围：-40 ℃ ～ +85 ℃
三、典型应用场景
- 智能手机与平板的充电 / USB 保护
- 摄像头与传感器模块的电源边防护
- 物联网终端、嵌入式控制板的接口保护
- 外围外设（如蓝牙模块、GPS 模块）的小电流保护
四、封装与尺寸
- 封装：1206 SMD（适用于表面贴装工艺）
- 外形尺寸：长度 3.6 mm × 宽度 1.9 mm × 高度 1.0 mm
该封装兼容常见贴片生产线，适合自动贴装与回流焊工艺。
五、使用与焊接建议
- 推荐采用符合无铅回流曲线的焊接工艺，避免长时间超过最大回流温度以防材料老化。
- 封装尺寸小，贴装时注意焊盘设计与焊膏量，避免过量焊膏导致器件偏位或热应力集中。
- 对于高脉冲电流场合，应在实际系统中验证温升与动特性，必要时采用热垫或散热设计。
- 建议在持续工作电流接近 Ihold 时留有裕量，避免长期工作在临界区造成漂移或误动。
六、可靠性与注意事项
- 工作温度范围 -40 ℃ 至 +85 ℃，高温环境下保持电流和动作阈值会向不利方向偏移，应作温度修正。
- Imax 表示短时冲击能力，不应作为长期连续电流使用依据；长期电流应以 Ihold 为准并适当降额。
- 多次大电流跳闸后器件特性可能发生变化，建议在设计中考虑器件寿命与维护策略。
- 器件符合常规 RoHS 要求（出厂前确认具体证书）。
七、选型建议
- 若系统工作电流波动较大，选择 Ihold 稍高于最大正常工作电流的型号；若需更快动作或更大过流承受能力，可参考同系列其它额定值型号。
- 在系统级保护设计中，考虑与限流电阻、瞬态抑制器（TVS）等组合使用以提高整体可靠性。
结语：SMD1206P025TF 以其小型封装与稳定的自恢复保护特性，适合对体积和自动保护要求较高的中低压电源应用。实行系统级验证能确保在目标工况下获得最佳保护效果。
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