WMSIC Electronic Components

YANGJIE SMBJ200A

ModelSMBJ200A
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 SMBJ200A
Type
DO-214AA(SMB)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMBJ200A
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
0.219g
Electronic Component
1
Electronic Component
BM0230005029
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.

SMBJ200A 产品概述

一、产品简介

SMBJ200A 是扬杰(YANGJIE)出品的一款单向硅瞬态电压抑制器(TVS),采用 SMB(DO-214AA)封装,专为抑制瞬态过电压、浪涌和电快速瞬变而设计。器件在反向截止状态下可承受高达 200V 的重复工作反向电压(Vrwm),在脉冲事件中能将瞬时电压钳位在约 324V,有效保护下游电路免受损坏。

二、主要参数

  • 极性:单向(单向TVS)
  • 反向截止电压 Vrwm:200 V
  • 击穿电压 Vbr(Typ):247 V
  • 钳位电压(Ipp 条件下):约 324 V
  • 峰值脉冲电流 Ipp:1.8 A(10/1000 μs)
  • 峰值脉冲功率 Ppp:600 W(10/1000 μs)
  • 反向漏电流 Ir:典型 5 μA
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SMB(DO-214AA)
  • 类型:TVS(二极管型)
  • 品牌:YANGJIE(扬杰)

三、产品特性

  • 高能量吸收能力:Ppp 为 600 W(10/1000 μs),可在短时浪涌事件中吸收较大能量;与钳位电压配合可限制受保护节点电压不上升到危险水平。
  • 低漏电流:Ir ≈ 5 μA,有利于在高阻电路或对静态耗电敏感的系统中长期并联使用。
  • 宽工作温度:-55 ~ +150 ℃,适用于工业级和恶劣环境应用。
  • SMB 封装:散热与安装兼顾,适合波峰/回流焊工艺,便于量产装配。
  • 单向结构:在正常工作时呈高阻,瞬态时迅速导通并钳位,适合直流线路保护。

四、典型应用场景

  • 工业电源总线、直流母线的瞬态浪涌保护
  • 电源适配器、逆变器、伺服驱动等高压直流侧防护
  • 通讯设备、电表、充电桩等对瞬态抑制有要求的系统
  • 车用非关键电路(需注意车辆认证与质量要求)
  • 任何需要在 PCB 上并联实现浪涌、雷击或开关电压抑制的场合

五、封装与安装建议

  • 建议将 SMBJ200A 尽可能靠近被保护点(如输入端或连接器)焊接,缩短导线与走线长度以减小串联电感,提升保护效果。
  • SMB(DO‑214AA)封装允许常规回流焊工艺,焊接时遵循厂商推荐的温度曲线以保证可靠性。
  • 考虑散热:在高能量冲击下器件发热明显,应留出一定铜皮和散热面积,必要时与散热面连接。
  • 极性标注清晰:单向器件需按正确方向(阴极接被保护侧)安装,错误极性会导致电路短路或保护失效。

六、可靠性与使用注意

  • 选择时应保证 Vrwm 高于系统正常工作电压并留有必要裕量,避免在正常波动下触发。
  • 钳位电压为瞬态条件下测得值,系统设计时应评估下游器件能否承受该钳位电压。
  • 多次大能量脉冲可能使器件参数漂移或失效,设计时需评估预计冲击次数与能量。
  • 如应用于关键或车规场合,建议参考厂商更详尽的可靠性与认证资料,并进行相应的系统级验证。

七、选型参考

SMBJ200A 适合需要 200 V 级反向耐压和中等能量吸收(600 W/10/1000 μs)保护的场合。针对更高能量需求可选功率更高的 TVS,或并联/串联多只器件以满足系统要求;若需双向保护,应选择相应的双向型号。订购时可使用型号 SMBJ200A,向扬杰或授权代理确认最新物料与技术手册以获取完整电气特性曲线与封装尺寸。

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