WMSIC Electronic Components

BHFUSE BSMD1210-010-30V BSMD1210

ModelBSMD1210-010-30V
Package1210
BrandBHFUSE
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BHFUSE BSMD1210-010-30V
Type
BHFUSE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BHFUSE
Electronic Component
BSMD1210-010-30V
Electronic Component
1
Package
1210
Electronic Component
Resettable Fuse
Electronic Component
0.039g
Electronic Component
1
Electronic Component
600ms
Electronic Component
BM0264819688
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
30V
Power(Pd)
600mW
Current(Imax)
40A
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.

BSMD1210-010-30V自恢复保险丝产品概述

一、产品基本定位

BSMD1210-010-30V是佰宏(BHFUSE)推出的1210贴片封装自恢复保险丝,属于聚合物PTC(正温度系数)过流保护器件。核心定位为低压小电流场景的过流防护,针对12V/24V等低压直流电路,兼顾“保护可靠性”与“维护便捷性”,无需更换即可重复使用,是消费电子、工业控制等领域的高性价比选择。

二、核心性能参数深度解析

该产品的关键参数直接决定适用场景,具体解析如下:

  • 耐压30V:覆盖绝大多数低压直流系统(12V、24V为主),可用于消费电子、车载低压附件等场景,避免高压击穿风险;
  • 最大电流40A:短时间峰值耐受能力,可应对开机电容充电、脉冲干扰等瞬间浪涌,短时间内不损坏器件;
  • 保持电流100mA:电路正常工作时可稳定承载的最大电流——选型时需确保负载电流≤100mA,否则长期过流会导致误动作;
  • 跳闸电流300mA:过流保护触发阈值——电流≥300mA时,器件会在规定时间内从低阻态切换至高阻态,切断故障电流;
  • 消耗功率600mW:低功耗设计,正常工作时几乎不增加系统发热,对低压电路效率影响可忽略;
  • 初始态阻值800mΩ:导通电阻极低,不影响信号传输或电源效率,适合对压降敏感的电池供电设备;
  • 跳断后阻值15Ω:跳断后形成高阻态,将故障电流限制至mA级,保护MCU、传感器等敏感元件;
  • 动作时间600ms:平衡“快速保护”与“抗瞬态干扰”——既不会误触发开机浪涌,又能在故障持续时及时切断电路;
  • 工作温度-40℃~+85℃:宽温范围,适应户外智能设备、工业车间等高低温场景,可靠性更高。

三、封装与可靠性设计

1. 1210贴片封装

尺寸为3.2mm×2.5mm,属于小型贴片封装,适配高密度PCB设计(如手机主板、小型传感器模块),兼容自动贴装工艺,可提高生产效率、降低人工成本。

2. 自恢复特性

采用佰宏自研聚合物PTC材料,故障排除后(如短路解除),器件随温度下降自动恢复低阻态,无需更换,适合不便人工维护的埋入式电路、车载隐藏式电路。

3. 环保与稳定性

符合RoHS、REACH环保标准,不含铅镉等有害物质;经测试,1000次动作后阻值变化≤5%,长期使用可靠性突出。

四、典型应用场景

该产品参数精准匹配以下场景:

  1. 消费电子:手机/平板电池保护、智能手表充电接口、耳机充电盒过流防护;
  2. 智能家居:智能灯泡、温湿度传感器、智能门锁电源过流保护;
  3. 工业控制:PLC输入输出模块、低压传感器节点、小型电机驱动防护;
  4. 车载电子:行车记录仪电源、USB充电口、车载氛围灯辅助保护;
  5. 通信设备:路由器接口、小型基站传感器、光纤收发器过流防护。

五、选型与使用注意事项

  1. 电流匹配优先:必须确保电路正常电流≤100mA(保持电流),超负载需换更高保持电流型号;
  2. 电压不超额定:工作电压≤30V,严禁用于110V/220V高压场景;
  3. 散热考量:密集贴装时预留散热空间,避免局部过热导致动作时间异常;
  4. 瞬态干扰验证:若存在频繁瞬态脉冲(如开关电源尖峰),需确认脉冲持续时间≤600ms,否则加滤波电路;
  5. 焊接规范:焊接温度≤260℃(持续≤10s),避免高温损坏PTC材料。

六、总结

BSMD1210-010-30V凭借低阻、宽温、自恢复、小封装等优势,成为低压小电流过流保护的理想选择。参数精准匹配消费电子、工业控制等需求,性价比突出,可有效降低电路故障风险与维护成本。

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