WMSIC Electronic Components

BHFUSE BSMD0603-010-24V BSMD0603

ModelBSMD0603-010-24V
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 BSMD0603-010-24V
Type
BHFUSE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BHFUSE
Electronic Component
BSMD0603-010-24V
Electronic Component
1
Electronic Component
1.05mm
Package
0603
Electronic Component
Resettable Fuse
Electronic Component
0.032g
Electronic Component
1.85mm
Electronic Component
1mm
Electronic Component
1
Electronic Component
600ms
Electronic Component
BM0226603273
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.

BSMD0603-010-24V 产品概述

一、产品简介

BSMD0603-010-24V 是佰宏(BHFUSE)出品的0603封装自恢复保险丝(PPTC / PolySwitch),用于印制电路板(SMT)上对低压直流电路的过流保护与短路保护。器件体积微小(0603),适合空间受限的便携类与消费电子产品,用以保护电源轨、接口与敏感负载免受短时或持续过流损害。

二、主要参数

  • 封装:0603(SMD)
  • 尺寸:长度 1.85 mm;宽度 1.05 mm;高度 1.00 mm
  • 初始态阻值 Rmin:900 mΩ(0.9 Ω)
  • 跳断后阻值 R1max:8 Ω
  • 跳闸电流 Itrip:300 mA(典型)
  • 保持电流 Ihold:100 mA
  • 最大持续电流 Imax:40 A(短时浪涌能力)
  • 耐压 Vmax:24 V
  • 动作时间:600 ms(在规定过流条件下)
  • 消耗功率 Pd:500 mW(稳态功耗限制)
  • 工作温度范围:-40 ℃ 至 +85 ℃
  • 品牌:BHFUSE(佰宏)

三、关键特性

  • 小型0603封装,便于高密度PCB布局与自动贴装、回流焊工艺。
  • 低初始阻值(0.9 Ω),在正常工作电流下压降较小。
  • 当电流超过300 mA时器件自热并进入高阻态,有效限制短路电流,跳闸后阻值可达到最大8 Ω,快速限制故障电流。
  • 自恢复能力:故障清除并冷却后器件恢复低阻态,无需更换。
  • 宽工作温度范围,适用于多种环境应用。

四、典型应用

  • 手机、平板等便携设备的电源保护与USB接口保护;
  • 电池保护电路、便携充电器;
  • 通信设备与物联网终端的电源轨保护;
  • LED驱动回路、测量仪表的短路防护;
  • 任意需要在24 V及以下电源系统中进行过流限制的场景。

五、设计与使用注意事项

  • 确认系统工作电压不超过 Vmax = 24 V。
  • 根据负载的工作电流选择合适的保持电流与跳闸电流余量,常建议将器件的保持电流高于正常工作电流的1.2倍以上,或按系统容许的触发裕量设计。
  • 动作时间随过流程度及环境温度变化;对于需要快速断开的场合,应留意600 ms为典型值,严重过流情况下实际动作时间可能不同。
  • Pd = 500 mW 表示器件在稳态下的最大可接受功率耗散,长期接近该值会导致温升并影响特性,应避免长期在此临界条件下工作。
  • Imax = 40 A 为短时浪涌承受能力,不可作为连续工作电流使用,设计时应考虑浪涌能量与吸收路径。

六、封装与装配建议

  • 推荐采用厂家提供的封装图与焊盘布局指南,保证可靠焊接与热传导。
  • 标准SMD回流焊工艺通常适用,但建议参考厂商的回流温度曲线与工艺限制,避免重复高温循环对器件特性影响。
  • 贴装时防止强烈机械挤压或弯折,以免破坏内部结构。

七、选型与验证

  • 在选型阶段需参考实际工况下的瞬态电流、启动浪涌与环境温度,必要时通过实验验证器件在目标系统中的动作时间与复位特性。
  • 若系统有较大启动电流或反复短路脉冲,建议评估器件寿命与可靠性,并考虑并联/串联或替代保护方案。

八、存储与运输

  • 存储时避免潮湿、高温及强光直射环境,遵循一般半导体元件的保管规范。
  • 长时间存放后使用前,按厂商建议进行外观与电阻检测,确认参数在规格内。

总结:BSMD0603-010-24V 以其微小封装与可靠的自恢复保护性能,适合对体积与自动化装配有要求的低压电子设备。合理的电流裕量与热设计、配合厂商推荐的装配工艺与验证测试,是保证该器件在系统中长期稳定工作的关键。若需更详细的电气曲线、回流焊规范或寿命试验数据,建议获取佰宏官方数据手册或直接联系供应商。

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