WMSIC Electronic Components

MSKSEMI SMBJ6.0CA

ModelSMBJ6.0CA
PackageSMB(DO-214AA)
BrandMSKSEMI
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
MSKSEMI SMBJ6.0CA
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
SMBJ6.0CA
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.2g
Electronic Component
1
Electronic Component
BM0257677010
Voltage
10.3V
Current(Ir)
800uA
Voltage(VBR)
7.37V
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.

SMBJ6.0CA(MSKSEMI)产品概述

一、产品简介

SMBJ6.0CA 是 MSKSEMI(美森科)推出的双向瞬态电压抑制二极管(TVS),封装为 SMB(DO-214AA)。该器件针对瞬态浪涌和静电放电事件提供快速钳位保护,典型应用包括电源线路保护、数据线和工业控制系统的浪涌防护。其主要电气参数为:反向工作电压 Vrwm = 6V,钳位电压 Vc ≈ 10.3V,峰值脉冲电流 Ipp = 58.26A(10/1000μs),峰值脉冲功率 Ppp = 600W(10/1000μs),击穿电压约为 7.37V,反向漏电流 Ir = 800μA(典型/最大值视温度及测量条件而定)。

二、关键参数说明

  • 极性:双向,适用于交流或双向脉冲信号线,无极性限制,安装方向可任意。
  • 反向截止电压(Vrwm = 6V):器件在正常工作时应承受的最大直流或脉冲稳态电压。适配于 5V 左右系统的过压保护(留有一定裕量)。
  • 钳位电压(Vc ≈ 10.3V):在发生浪涌电流(10/1000μs)时器件将电压钳位到该水平附近,用以保护后端电路。
  • 峰值脉冲电流与功率:Ipp = 58.26A、Ppp = 600W(基于 10/1000μs 浪涌波形),表明该器件能承受较长能量的工业类浪涌,但非用于直流连续功率吸收。
  • 击穿电压与漏电:击穿约 7.37V,漏电 Ir = 800μA,漏电在高温或长期工作下会有所增加,需在系统静态功耗预算中考虑。

三、典型应用场景

  • 5V/6V 电源线路及总线保护(如某些通信接口、嵌入式电源入口)。
  • 工业控制设备与端子板,防止雷击或感应浪涌损坏敏感元件。
  • 继电器、阀门驱动等可能产生高能瞬态的负载侧保护。
  • 非极性接口或双向信号线的浪涌抑制。

四、封装与安装要点

SMB(DO-214AA)塑封,适合通用回流贴装或手工焊接。器件热阻及焊盘设计会影响钳位能力和循环寿命:

  • 建议遵循厂商回流温度曲线(常见上限约 260°C)并最小化热冲击。
  • 保持合适的焊盘散热铜面以利热量扩散,提高脉冲能量承受能力。
  • 由于为双向器件,无特定极性方向,但仍需标注以便生产管理。

五、使用与选型建议

  • 对于保护 5V 系统,SMBJ6.0CA 可作为有效防护,但若后端器件不能承受 10V+ 的瞬态建议选用钳位更低或增加串联阻抗/熔断器。
  • 若环境存在更强雷击或更大能量脉冲,应选择更高能量等级(更大 Ipp 或 Ppp)或并联多只并配合浪涌抑制器。
  • 注意静态漏电对休眠/低功耗系统的影响,必要时选择低漏电型号或在设计中添加断路措施。

六、可靠性与测试

建议在设计验证阶段进行实际浪涌(IEC 61000-4-5)、静电放电(IEC 61000-4-2)以及温度应力测试,以确认在目标应用下的表现。长期耐久性受功率循环、焊接应力和工作温度影响,应在量产前完成加速老化与热循环验证。

总结:SMBJ6.0CA 提供了针对 6V 级别系统的可靠双向瞬态保护,兼顾较高的能量吸收能力与通用封装。设计中需关注钳位电压对被保护电路的允许限值、漏电对静态功耗的影响以及散热和焊接工艺对器件性能的影响。

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