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Brightking SMD1206B035TF/16 SMD1206B035TF
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMD1206B035TF / 16
- Type
- BRIGHTKING
- Minimum package
- 4000
Technical parameters
- Electronic Component
- Brightking
- Electronic Component
- SMD1206B035TF/16
- Electronic Component
- 1
- Electronic Component
- 1.8mm
- Package
- 1206
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.025g
- Electronic Component
- 3.4mm
- Electronic Component
- 1mm
- Electronic Component
- 1
- Electronic Component
- 100ms
- Electronic Component
- BM0227237486
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 16V
- Power(Pd)
- 600mW
- Current(Imax)
- 100A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMD1206B035TF/16 产品概述
一、产品简介
SMD1206B035TF/16 是 Brightking（台湾君耀）出品的一款1206封装自恢复保险丝（PTC），适用于对小电流短路和过载保护的表面贴装应用。典型用途包括低压电源保护、USB/数据端口、移动设备和各类消费电子短路保护。
二、主要规格（关键参数）
- 封装：1206（长度3.4mm × 宽度1.8mm × 高度1.0mm）
- 保持电流 Ihold：350mA（元件在此电流下保持低阻态）
- 跳闸电流 Itrip：750mA（典型触发过流电流）
- 最大允许持续电流 Imax：100A（瞬态冲击耐受能力）
- 初始阻值 Rmin：0.3Ω（未跳闸时典型接触/材料电阻）
- 跳断后阻值 R1max：1.2Ω（恢复后高阻态）
- 最大工作电压 Vmax：16V
- 最大功耗 Pd：600mW
- 动作时间：约100ms（在规定过流条件下的典型动作时间）
- 工作温度范围：-40℃ ～ +85℃
三、产品特性与优势
- 体积小、易于表面贴装，适合自动化贴装与回流焊工艺；
- 自恢复功能：过载或短路解除后能自动恢复导通，降低维护成本；
- 初始阻值较低（0.3Ω），对正常工作电压影响小；
- 能承受较高瞬态冲击（Imax），适应电源暂态和浪涌场景。
四、典型应用场景
- 移动设备及便携电子产品的USB/D+、USB-C等接口保护；
- 电池管理与保护电路（作为外部短路保护元件）；
- 家用/办公类电子设备的低压电源线路保护；
- 工控小功率模块及模块化电源输入保护。
五、选型与使用建议
- 工作电流选择：实际工作电流应小于 Ihold，建议留出裕量（例如不超过 Ihold 的80–90%）以避免环境温度或散热不良导致假跳闸；
- 电压匹配：Vmax（16V）必须大于或等于电路的最高工作电压；
- 热管理：Pd 为600mW，长期接近或超过该值会提高工作温度并影响动作特性；应避免元件周围高温源并保证良好PCB散热；
- 耐冲击能力：虽标注瞬态耐受（Imax）高，但不应把其替代熔断保险丝用于长期大电流使用；
- 电阻与压降：保持态下R≈0.3Ω，在350mA下压降≈0.105V；跳闸后电阻上升至最多1.2Ω，出现明显电压降，用于限流保护。
六、可靠性与注意事项
- 动作时间与实际过流倍率、环境温度、焊接工艺有关，设计时应做实际测试验证；
- 长期在高温或高纹波环境下使用会改变 Itrip/Ihold 特性，应在样机阶段核实；
- 回流焊温度曲线应符合元件厂商推荐，避免过热损伤内部聚合物结构。
七、采购与替代
选择此型号时请确认封装1206与PCB贴装孔位一致，并确认提供的样片或数据手册以核对完整电气曲线。对于更高电压或更大持续电流需求，可考虑更高规格的PTC器件或传统熔断器作为替代。
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