WMSIC Electronic Components

YANGJIE SMBJ26CA

ModelSMBJ26CA
PackageDO-214AA(SMB)
BrandYANGJIE
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

13 specifications

Core information

Product name
YANGJIE SMBJ26CA
Type
DO-214AA(SMB)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMBJ26CA
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
0.22g
Electronic Component
1
Electronic Component
BM0228055113
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.

SMBJ26CA 产品概述

一、产品简介

SMBJ26CA 是扬杰(YANGJIE)推出的一款双向瞬态抑制二极管(TVS),用于保护电子设备免受雷击、浪涌和瞬态电压干扰。该器件采用 SMB(DO-214AA)封装,具备高能量吸收能力与宽工作温度范围,适用于工业、通信与汽车电子等场景的浪涌保护。

二、主要电气参数

  • 极性:双向
  • 反向截止电压 Vrwm:26 V
  • 钳位电压 Vcl:42.1 V(典型)
  • 峰值脉冲电流 Ipp:14.3 A(10/1000 μs)
  • 峰值脉冲功率 Ppp:600 W(10/1000 μs)
  • 击穿电压 Vbr:31.9 V
  • 反向漏电流 Ir:5 μA(常温)
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 类型:TVS 双向
  • 封装:SMB(DO-214AA)
  • 品牌:YANGJIE(扬杰)

三、性能特点

  • 高能量吸收:Ppp 达到 600 W(10/1000 μs),能承受较大浪涌冲击,适合电源线路和信号线的瞬态保护。
  • 低钳位电压:钳位电压 42.1 V,有效限制过电压对后端器件的损害。
  • 低漏电流:常温下反向漏电流仅 5 μA,降低对电路静态功耗的影响。
  • 宽温度适应性:-55 ℃ 至 +150 ℃ 的工作温度,适合恶劣环境使用。
  • SMB 封装:便于自动贴装,适合常见 PCB 布局和替换。

四、典型应用

  • 电源输入保护(适配器、开关电源输入端)
  • 通信线路浪涌保护(以太网、基站设备、防雷)
  • 汽车电子系统瞬态抑制(线束、电控单元周边)
  • 工业控制与仪器仪表的过压保护
  • 消费电子的端口与外设保护

五、设计与使用建议

  • 布局靠近被保护器件:将 SMBJ26CA 放置于靠近接口或电源入口处,尽量减少引线长度以降低寄生电感。
  • 考虑散热与焊接工艺:大功率冲击下会产生热量,确保 PCB 有良好散热路径;按厂家推荐的回流焊工艺安装。
  • 与熔断器/限流元件配合:在需要更高安全裕度的场合,可与熔断器或限流电阻串联使用以避免重复冲击损坏。
  • 检验耐冲击能力:实际应用中可根据环境与标准(如 IEC/EN 抗雷击规范)进行浪涌测试验证。

六、选型与注意事项

  • 若系统为单向保护,请选择单向型 TVS;SMBJ26CA 为双向型号,适合交流或双向脉冲场合。
  • 注意工作电压与被保护电压匹配,Vrwm(26 V)应高于正常工作电压并低于被保护器件的最大承受电压。
  • 对于长时间重复冲击或更高能量需求,应评估更大封装或并联使用的可行性,并关注寿命与可靠性指标。

总结:SMBJ26CA 以其高能量吸收、低泄漏和宽温适应性,在中高能量的瞬态抑制应用中表现稳健,是一款成本效益较高的双向 TVS 保护器件。若需用于关键系统,建议结合实际浪涌规格与生产验证进行最终确认。

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