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BHFUSE BSMD0603L-100 BSMD0603L
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BHFUSE BSMD0603L-100
- Type
- BHFUSE
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BHFUSE
- Electronic Component
- BSMD0603L-100
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.034g
- Electronic Component
- 1
- Electronic Component
- 500ms
- Electronic Component
- BM0226534893
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 6V
- Power(Pd)
- 1W
- Current(Imax)
- 50A
- Electronic Component
- Electronic Component
- Electronic Component
- 4000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BSMD0603L-100 自恢复保险丝 产品概述
一、产品简介
BSMD0603L-100 是佰宏（BHFUSE）推出的一款 0603 封装自恢复保险丝（PPTC），用于对电路短路或过流故障提供自动保护并在故障消除后恢复导通。该器件体积小、响应适中，适合空间受限的消费类和工业电子产品中作为过流保护元件。
二、主要特性
- 初始低阻抗：典型初始态阻值 Rmin = 9 mΩ，减少正常工作下的功率损耗和电压降。
- 跳断后阻值：R1max = 80 mΩ，进入限流状态后有效限制故障电流。
- 低压工作：耐压 Vmax = 6 V，适配低压电源总线。
- 自恢复能力：在过流或短路解除后可自动恢复到低阻状态，免去更换费用。
- 宽工作温度：-40 ℃ 至 +85 ℃，满足多数室内与部分工业环境要求。
三、电气与热学参数
- 保持电流 Ihold = 1 A：表示在规定环境下器件可持续承载而不会触发跳闸。
- 跳闸电流 Itrip = 2 A：当电流超过此值时，器件将在动作时间内进入高阻限流态。
- 最大电流 Imax = 50 A：短时间可承受的浪涌或冲击电流能力（注意与动作时间、热能相关）。
- 消耗功率 Pd = 1 W：器件在高阻或持续加热状态下的额定功耗限制。
- 动作时间 ≈ 500 ms：从触发到进入限流状态的典型响应时间，依环境温度和电流幅值会有变化。
四、典型应用
- 移动设备、蓝牙耳机、便携式仪器的电源线与电池保护；
- IoT 模组、电源管理板、USB/TYPE-C 子系统的过流防护；
- 家电与工业控制板中对局部电路的短路保护。
五、选型建议与注意事项
- 确认系统最大工作电压不超过 6 V；若存在高电压回路需选更高耐压器件。
- 保持电流 Ihold 与电路常态工作电流充分裕量，避免因正常浪涌或启动电流误动作；若常态电流接近或超过 1 A，应选择额定更高 Ihold 型号。
- 留意环境温度对动作特性影响：高温降低触发电流，低温则相反，应结合工作温度曲线评估。
- 对于频繁或长期处于限流状态的场景，应评估热耗与可靠性，避免长期在高阻态下运行。
六、封装与焊接建议
- 封装 0603，适合自动贴片工艺。推荐遵循厂家给出的回流焊温度曲线和板上焊盘设计，以保证热循环可靠性与电气性能。
- 注意避免在大功率浪涌试验中造成局部过热导致永久性能下降。
七、存储与可靠性
- 建议干燥、常温环境下存放，避免潮湿高温，防止封装和内部材料老化。
- 在设计与测试阶段应进行短路、温升与多次触发恢复试验，以验证在目标应用中的长期稳定性。
总结：BSMD0603L-100 以其小体积、自动复位与适合低压系统的电气特性，适用于对空间和成本敏感的过流保护场景。选型时应重点考虑 Ihold 与 Itrip 相对电路工作电流的匹配以及环境温度对性能的影响。若需详细的热—电特性曲线或回流焊工艺参数，可向 BHFUSE 索取完整规格书以做更精确的设计验证。
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