WMSIC Electronic Components

BOURNS SF-1206HI600M-2

ModelSF-1206HI600M-2
Package1206
BrandBOURNS
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 22+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
BOURNS SF-1206HI600M-2
Type
BOURNS
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
SF-1206HI600M-2
Electronic Component
1
Package
1206
Electronic Component
Non-Resettable Fuse
Electronic Component
0.031g
Electronic Component
1
Electronic Component
80A
Electronic Component
BM0226962343
Operating Temperature
55℃~+150℃
Voltage
24V
Current
6A
Electronic Component
Electronic Component
Electronic Component
3000

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

SF-1206HI600M-2 产品概述

一、产品简介

SF-1206HI600M-2 是 BOURNS 提供的一款 1206 封装板载熔断器(FUSE BOARD MOUNT),额定电流 6A,额定电压 24VDC。该器件面向需要紧凑封装与可靠过流保护的电子设备,工作温度范围宽(-55 ℃ 至 +150 ℃),分断能力可达 80A,适用于多种直流供电系统的短路保护与过流保护设计。

二、主要电气参数

  • 额定电流:6 A(Rated current)
  • 额定电压:24 V DC(Rated voltage)
  • 分断能力(Breaking capacity):80 A(在额定电压条件下可安全开断的短路电流)
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:1206(SMD,典型外形尺寸约 3.2 mm × 1.6 mm,具体以厂商图纸为准)

以上参数适合作为器件在电路中选型与可靠性评估的基础,设计时应结合具体的时-电特性(time-current curve)、I^2t 能量和温度系数进一步确认。

三、结构与封装特性

SF-1206HI600M-2 采用常见的 1206 表贴封装,便于与标准 SMT 工艺兼容,适合高密度 PCB 布局。封装紧凑,有利于节省板上空间;金属端接设计利于焊接与电气连接稳定性。典型 1206 尺寸便于自动贴装与回流焊处理,生产一致性好。

四、电气性能与保护能力

作为板载熔断器,其基本工作原理是在超过规定限流条件下迅速切断电路,防止更大范围的器件损伤或火灾隐患。80A 的分断能力表明器件能够承受并安全中断较大短路电流,尤其在直流供电(24VDC)环境下具有可靠的开断能力。实际保护性能应基于器件的时间-电流曲线(包括慢熔/快熔特性)和应用场景的短时浪涌特性进行评估。

五、热性能与环境适应性

该器件可在 -55 ℃ 至 +150 ℃ 的宽温度范围内工作,适应工业级甚至严苛环境。高温时的额定电流承载能力与低温差异较大,因此在高温环境中需注意降额设计与热管理。建议在 PCB 布局时考虑良好的散热路径与避免与高热源近距放置,以保证长期稳定运行。

六、典型应用场景

  • 工业控制设备的直流供电保护
  • 通信基站、电源模块与配电系统的短路与过流保护
  • 汽车电子及车载辅助设备(需与汽车规范兼容性验证)
  • 仪表、嵌入式系统和消费类电子的电源输入熔断保护

七、PCB 设计与安装建议

  • 参考 BOURNS 提供的封装与焊盘建议图(land pattern),保证焊点强度与可靠接触。
  • 兼容常规无铅回流焊工艺,但请遵循厂商推荐的焊接温度曲线,以避免器件过热或性能退化。
  • 对于高电流路径,优化铜厚与走线宽度,减少寄生电阻和局部升温。
  • 若产品在高振动环境中使用,应评估焊点可靠性并考虑机械固定或防振措施。

八、选型与可靠性建议

  • 在选型阶段,除额定电流与额定电压外,还需关注时间-电流特性曲线、I^2t 数据及短时耐受能力,以确保对目标故障工况的有效防护。
  • 对于长期连续负载或频繁近额定值运行的场景,应适当留有裕量或选用更高额定值器件以提升可靠性。
  • 在关键应用中建议做完整的电磁兼容(EMC)、热循环与寿命测试以验证实际性能。

九、储存与装配注意事项

  • 遵循一般 SMD 器件的防潮与防静电规范;若器件为湿敏等级(MSL)物料,请按厂商资料执行干燥烘烤与开封后使用期限管理。
  • 装配过程中避免对封装施加过大机械应力,焊接后避免强烈弯曲 PCB 局部以防焊点疲劳失效。

十、小结

SF-1206HI600M-2 以 1206 紧凑封装实现 6A/24VDC 的板载过流保护,具备高达 80A 的分断能力和宽温范围,适用于工业、通信与各类直流供电系统。合理的电气与热设计、遵循厂商封装与焊接建议以及针对具体故障工况的时-电特性验证,是确保该熔断器在产品中长期稳定可靠工作的关键。欲获得完整技术细节(如时-电曲线、焊接曲线、机械尺寸图等),请参阅 BOURNS 官方数据手册或联系厂商技术支持。

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