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BHFUSE BSMD1206-150-16V BSMD1206
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BHFUSE BSMD1206-150-16V
- Type
- BHFUSE
- Minimum package
- 3500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BHFUSE
- Electronic Component
- BSMD1206-150-16V
- Electronic Component
- 1
- Electronic Component
- 1.9mm
- Package
- 1206
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.042g
- Electronic Component
- 3.6mm
- Electronic Component
- 1.6mm
- Electronic Component
- 1
- Electronic Component
- 300ms
- Electronic Component
- BM0226534891
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 16V
- Power(Pd)
- 1W
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BSMD1206-150-16V 自恢复保险丝 产品概述
一、产品简介
BSMD1206-150-16V 是佰宏（BHFUSE）推出的一款1206封装表面贴装自恢复保险丝（PTC resettable fuse）。器件体积小（1206 尺寸，长3.6mm、宽1.9mm、高1.6mm），专为低压电源保护和短路/过流保护设计，适合空间受限的消费电子、通信和工业控制设备。
二、主要性能参数
- 封装：1206（SMD）
- 初始态阻值 Rmin：25 mΩ
- 跳断后阻值 R1max：130 mΩ
- 额定耐压 Vmax：16 V
- 触发电流 Itrip：3 A
- 保持电流 Ihold：1.5 A
- 最大允许持续电流 Imax：40 A（短时或脉冲能力）
- 最大功耗 Pd：1 W
- 动作时间：约 300 ms（在规定过流条件下测得）
- 工作温度范围：-40 ℃ ~ +85 ℃
三、关键特性与优势
- 小型 SMD 封装，便于自动贴装与高密度 PCB 设计。
- 低初始电阻（25 mΩ），对正常供电压降影响小，适合对压降敏感的电路。
- 快速过流响应（动作时间≈300 ms），能在短时间内限制冲击电流与保护下游器件。
- 自恢复特性，故障排除后可自动恢复导通，降低了维护成本。
- 宽工作温度范围适用于多数民用与轻工业环境。
四、典型应用场景
- USB、HDMI、Type-C 等接口的过流/短路保护。
- 电源输入与分配线路的过流保护（低压直流系统，≤16 V）。
- 可充电设备、移动电源及便携设备的线路保护。
- IoT 设备、路由器、机顶盒等民用电子设备的板级保护。
（注：不建议用作一次性延时熔断或高压主电路的主要保护）
五、设计与选型建议
- 选型时以工作电流小于 Ihold 为目标，常规建议留 20%~50% 的裕度；若存在冲击电流，应参照器件的动作曲线选型。
- 将保险丝放在电源入口或靠近保护对象处，最小化被保护线的长度以降低额外阻抗与热累积。
- 结合 PCB 铜厚与过孔散热设计，Pd=1 W 为热极限参考，长时间高功耗会导致器件温升并改变动作特性。
- 对于频繁高温或高湿环境，应评估器件长期漂移与重复动作后的阻值变化（R1max 指标）。
六、可靠性与封装信息
- 1206 SMD 兼容常规回流焊工艺，建议遵循厂方回流温度曲线以避免热损伤。
- 建议在物料购买时确认批次与完整技术资料（尺寸图、动作/保持电流曲线、耐久性测试）。
- 对于关键应用，建议进行样机测试（实际电流、环境温度、脉冲条件）以验证系统级保护效果。
本器件以体积小、响应快、初始阻抗低为特点，适合多数低压电子产品的板级过流保护。选型与布局时请结合实际工作电流、脉冲特性与散热条件进行综合评估。
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