Model & package intelligence
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BHFUSE BSMD1206-150-13.2V BSMD1206
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BHFUSE BSMD1206-150-13.2V
- Type
- BHFUSE
- Minimum package
- 3500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BHFUSE
- Electronic Component
- BSMD1206-150-13.2V
- Electronic Component
- 1
- Electronic Component
- 1.9mm
- Package
- 1206
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.043g
- Electronic Component
- 3.6mm
- Electronic Component
- 1.6mm
- Electronic Component
- 1
- Electronic Component
- 300ms
- Electronic Component
- BM0229474027
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 13.2V
- Power(Pd)
- 1W
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BSMD1206-150-13.2V 产品概述
一、产品简介
BSMD1206-150-13.2V 是佰宏（BHFUSE）推出的一款 1206 封装自恢复保险丝（Polymeric PTC），用于过流保护与短路缓解。器件在过载或短路时会迅速升阻限流，故障排除后可自动恢复到低阻状态，适合便携式设备、车载电子与各类低压电源保护场合。
二、主要性能参数
- 耐压 (Vmax): 13.2 V
- 最大电流 (Imax): 40 A
- 保持电流 (Ihold): 1.5 A
- 跳闸电流 (Itrip): 3 A
- 消耗功率 (Pd): 1 W
- 初始态阻值 (Rmin): 25 mΩ
- 跳断后阻值 (R1max): 130 mΩ
- 动作时间: 300 ms
- 工作温度: -40 ℃ ~ +85 ℃
- 外形尺寸: 长 3.6 mm × 宽 1.9 mm × 高 1.6 mm
- 封装: 1206
三、核心特点
- 响应快速：典型动作时间为 300 ms，可在短时间内限制故障电流，保护下游器件。
- 低初始阻抗：Rmin 仅 25 mΩ，可在正常工作电流下将功耗与发热降到最低。
- 可重复自恢复：断开后阻值上升至不超过 130 mΩ，故障消除后自动恢复，延长系统维护周期。
- 宽工作温度：-40℃ 至 +85℃ 可适应一般工业与车载环境。
- 紧凑封装：1206 小尺寸便于高密度 PCB 布局。
四、典型应用场景
- 移动电源、便携设备的 USB 与电池保护。
- 汽车低压电子模块（符合 13.2 V 系统）。
- 工业控制、通信终端的输入电源与接口保护。
- 各类需要反复自恢复能力的短路/过流保护场合。
五、封装与焊接建议
- 采用标准 1206 焊盘设计，推荐回流焊工艺兼容无铅制程，峰值焊接温度遵循器件说明书。
- 焊盘铜箔与阻焊应留足热量导流路径，避免局部过热导致性能偏移。
- 焊接后建议进行热循环与功能验证，确保初始阻值与动作特性稳定。
六、选型与可靠性注意事项
- 选型时以保持电流 Ihold 为主要依据，正常工作电流应低于 Ihold（1.5 A），瞬态或浪涌电流应评估是否可被器件承受（Imax 40 A）。
- 系统工作电压不得超过 13.2 V，以免影响自恢复材料性能。
- 对于频繁大电流冲击或长时间接近 Itrip 的工况，需评估长期发热对寿命的影响，并考虑并联或采用更高规格器件。
- 如在高温或受潮环境长期使用，建议进行加速老化与可靠性测试验证。
总结：BSMD1206-150-13.2V 在 1206 封装下提供了低阻抗、快速响应与可重复自恢复的过流保护能力，适合对空间、响应时间及自动恢复有要求的低压应用。选型与应用时应关注保持电流与额定电压匹配，并遵循封装与焊接规范以保障长期可靠性。
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