WMSIC Electronic Components

BHFUSE BSMD0603-005-24V BSMD0603

ModelBSMD0603-005-24V
Package0603
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 BSMD0603-005-24V
Type
BHFUSE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BHFUSE
Electronic Component
BSMD0603-005-24V
Electronic Component
1
Electronic Component
1.05mm
Package
0603
Electronic Component
Resettable Fuse
Electronic Component
0.022g
Electronic Component
1.85mm
Electronic Component
1mm
Electronic Component
1
Electronic Component
1s
Electronic Component
BM0264819684
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
24V
Power(Pd)
500mW

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

BSMD0603-005-24V 自恢复保险丝产品概述

一、产品核心定位与基础属性

BSMD0603-005-24V是佰宏(BHFUSE)推出的贴片式自恢复过流保护器件,采用0603封装(英制尺寸,对应公制1608),针对24V及以下低压电路设计,主打“小电流保护+自恢复特性”,可替代传统一次性保险丝,解决电子设备过流后需更换器件的痛点,提升设备维护效率。

二、关键参数深度解析

该产品核心参数明确了其适用场景与保护性能,具体解析如下:

  • 耐压24V:支持直流/交流24V及以下电路,覆盖多数低压电子系统(如智能家居、便携式设备);
  • 保持电流50mA:常温下可持续稳定工作的最大电流,电路正常负载需控制在此值内,避免误触发;
  • 跳闸电流150mA:电流达到150mA时,1秒内动作跳断(动作时间稳定),有效切断过流回路,保护后端敏感元件;
  • 最大电流40A:瞬时浪涌耐受能力(如开机瞬间、静电放电),可承受短时间大电流冲击而不损坏;
  • 初始态阻值3.8Ω:导通时电阻极小,压降可忽略,不影响电路信号传输与功率效率;
  • 跳断后阻值30Ω:故障状态下呈现高阻态,阻断电流能力强,确保后端电路安全;
  • 工作温度-40℃~+85℃:宽温范围适应高低温环境(如户外IoT终端、车载周边设备),性能稳定;
  • 消耗功率500mW:正常工作功耗低,对设备整体能耗影响极小。

三、封装与尺寸优势

该产品采用0603超小封装,具体尺寸为:长度1.85mm、宽度1.05mm、高度1mm,符合电子设备“小型化、高密度”设计趋势,可适配以下场景:

  • 智能穿戴设备(如手环、手表)的内部模块保护;
  • 小型IoT终端(如传感器节点)的PCB布局;
  • 便携式电子(如蓝牙耳机、移动电源)的紧凑设计;
  • 消费电子配件(如USB集线器、充电器)的多支路保护。

四、工作原理与可靠性特点

工作原理

自恢复保险丝核心为高分子聚合物+导电颗粒复合材料:

  1. 正常状态:导电颗粒紧密连接,电阻小(3.8Ω),电流可顺利通过;
  2. 过流触发:电流超过跳闸电流(150mA)时,器件发热使聚合物膨胀,断开导电颗粒连接,电阻骤增至30Ω以上,切断电路;
  3. 自恢复:故障排除后,温度下降,聚合物收缩,导电颗粒重新连接,器件恢复低阻导通状态,无需手动更换。

可靠性

  • 多次动作性能稳定:可重复动作数千次,性能衰减极小;
  • 动作时间精准:1秒内稳定跳断,避免延迟或误动作;
  • 宽温适应性:-40℃~+85℃范围内参数无明显漂移,满足极端环境需求。

五、典型应用场景

结合参数与尺寸,该产品主要应用于以下场景:

  1. 智能穿戴:智能手环/手表的充电保护、心率传感器模块过流防护;
  2. 小型IoT:低功耗温湿度传感器、智能家居控制节点的过流保护;
  3. 便携式电子:蓝牙耳机充电盒、移动电源输出端的支路保护;
  4. 低压控制:小型PLC输入模块、工业控制终端的过流防护;
  5. 消费配件:USB-C充电器、多口USB集线器的小电流支路保护。

六、品牌与品质保障

佰宏(BHFUSE)是国内专注于过流保护器件的厂商,BSMD0603-005-24V符合RoHS环保标准,通过行业通用可靠性测试(如高低温循环、浪涌冲击),广泛应用于电子、通信、汽车周边等领域,为设备提供稳定可靠的过流保护方案。

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