WMSIC Electronic Components

Brightking SMBJ8.0CA/TR13 SMBJ8.0CA

ModelSMBJ8.0CA/TR13
PackageSMB(DO-214AA)
BrandBrightking
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SMBJ8.0CA / TR13
Type
SMB(DO-214AA)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SMBJ8.0CA/TR13
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.198g
Electronic Component
1
Electronic Component
BM0227490588
Operating Temperature
65℃~+150℃
Voltage
13.6V
Current(Ir)
50uA
Voltage(VBR)
8.89V
Electronic Component
Electronic Component

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

SMBJ8.0CA/TR13 产品概述

一、产品简介

SMBJ8.0CA/TR13 为 Brightking(台湾君耀)系列双向瞬态电压抑制二极管(TVS),封装为 SMB(DO-214AA)。器件用于保护电源线、信号线及工业接口免受瞬态过电压或浪涌冲击,适合汽车电子、通信设备、工业控制及消费类电子等领域。

二、主要电气参数

  • 钳位电压 (VC):13.6 V(在峰值脉冲电流条件下测得)
  • 工作温度范围:-65 ℃ ~ +150 ℃
  • 击穿电压 (Vbr):8.89 V
  • 反向截止电压 (Vrwm):8.0 V
  • 峰值脉冲功率 (Pppm):600 W(标准脉冲波形 10/1000 μs)
  • 峰值脉冲电流 (Ipp):44.2 A(对应 600 W 和测量条件)
  • 反向电流 (Ir):典型 50 μA(在 Vrwm 条件下,25 ℃)
  • 极性:双向(适用于交流/双向浪涌)
  • 封装:SMB(DO-214AA)

三、特点与优势

  • 高能量吸收:600 W 的峰值脉冲功率能有效吸收大多数工业标准浪涌(10/1000 μs)。
  • 低钳位电压:13.6 V 的钳位能力在承受冲击电流时能有效限制电压,保护下游器件。
  • 宽温度范围:-65 ℃ 至 +150 ℃,满足高可靠性应用和恶劣工况。
  • 低漏电流:50 μA 的低反向电流有利于低功耗系统。
  • 双向结构:适合需要双向保护的线路(如交流接口、对称差分线)。

四、典型应用场景

  • 汽车电子(车载通讯、电源浪涌保护)
  • 工业控制与自动化设备(现场总线、传感器接口)
  • 通信与基站设备(端口过电压防护)
  • 消费电子(充电器、适配器、接口保护)

五、封装与可靠性注意事项

  • SMB(DO-214AA)封装便于自动贴装,热性能良好。
  • 推荐将 TVS 放置在受保护端口与 PCB 入口处,尽量靠近可能的浪涌源,减少走线电感。
  • 焊接时遵循厂家推荐的回流曲线,避免超温或过长加热,保障器件可靠性。
  • 在高重复脉冲或长期冲击场合,应考虑热沉和铜厚以提高散热能力,并评估寿命。

六、选型与使用建议

  • 工作电压选择:Vrwm(8.0 V)应高于电路正常工作电压以避免误触发;若用于 5 V 或 12 V 系统,确认与系统电压匹配。
  • 极性选择:若为单向直流线路保护,优先选择单向 TVS;本型号为双向,适用于需双向抑制的场景。
  • 布局要点:最短且宽的走线连接 TVS 与被保护器件,增加过孔或铜面提升热耗散;在高频或长线场合考虑并联低感抗元件以降低尖峰。
  • 环境与老化:高温环境会增加漏电流并降低能量承受能力,应在高温工况下适当降额使用。

七、包装与订购说明

  • 型号后缀 TR13 通常表示带卷带(Tape & Reel)包装,便于SMT贴片生产线自动化装配。
  • 采购时请确认是否含有具体的封装代码、批次规范及相关测试数据(例如 10/1000 μs 测试条件和典型 I-V 曲线),以便进行可靠性评估。

如需原始曲线、等效电路、典型浪涌测试波形或 PCB 布局参考图,可提供更详细的技术资料与应用建议。

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