WMSIC Electronic Components

YANGJIE SMBJ150CA

ModelSMBJ150CA
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 SMBJ150CA
Type
DO-214AA(SMB)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMBJ150CA
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
0.21g
Electronic Component
1
Electronic Component
BM0234563070
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.

SMBJ150CA 产品概述

一、产品简介

SMBJ150CA 是扬杰(YANGJIE)出品的一款双向瞬态电压抑制器(TVS),用于对电源线、数据线和信号线等电路在突发过压或浪涌事件时提供快速钳位保护。该器件属于 SMB(DO-214AA)封装,设计用于承受工业级浪涌脉冲,适合电力、电气控制、通信设施以及外围保护模块中对高压瞬变的防护需求。

主要技术参数(典型/额定):

  • 极性:双向(双向对称钳位,适用于交流或双向脉冲)
  • 反向截止电压 Vrwm:150 V
  • 击穿电压(典型):167 V
  • 钳位电压(Ipp 条件下):243 V
  • 峰值脉冲电流 Ipp:2.5 A(对应 10/1000 μs 波形)
  • 峰值脉冲功率 Ppp:600 W(10/1000 μs)
  • 反向漏电流 Ir:5 μA(在 Vrwm 条件下)
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SMB(DO-214AA)
  • 类型:TVS,品牌:YANGJIE(扬杰)

二、主要特点与优势

  1. 双向保护:对正负方向的瞬态过压均具有良好抑制能力,适合交流线路与双向脉冲环境。
  2. 高功率吸收能力:在 10/1000 μs 浪涌试验下可吸收高达 600 W 的峰值功率,能处理雷电感应或开关瞬变等大能量冲击。
  3. 低泄漏电流:在额定工作电压下反向漏电仅约 5 μA,可在不影响电路正常偏置或待机功耗的前提下长期并联使用。
  4. 宽工作温度:-55 ~ +150 ℃,适应工业级与恶劣环境的温度变化。
  5. 标准封装:SMB(DO-214AA)便于自动贴装与手工焊接,适配常见 PCB 尺寸与散热要求。

三、典型应用场景

  • 工业电源与配电保护:保护直流母线或较高工作电压线路免受瞬态冲击。
  • 通信设备:基站、光纤收发器、电信接口端口的浪涌防护。
  • 电机驱动与逆变器前端:吸收开关产生的高能瞬态,保护下游控制器与功率器件。
  • 车辆电子(非关键车用安全回路):在满足车规额定与认证前提下对辅助线路提供保护。
  • 家用电器与电源适配器:抑制外来雷击感应和开关瞬变,延长电子组件寿命。

四、使用建议与注意事项

  1. 选择合适的 Vrwm:器件的 Vrwm 为 150 V,应保证电路静态工作电压低于该值。对于交流电源应用,需注意交流 RMS 转换为峰值后的幅值,以免超过 Vrwm。
  2. 能量匹配:Ppp=600 W 为在 10/1000 μs 波形下的峰值能力,频繁或重复的大能量脉冲会导致器件发热与性能退化,应考虑配合熔断器、限流器或并联更高能量器件实现系统级防护。
  3. 布局注意:将 TVS 紧靠被保护器件/接口布置,缩短走线长度以降低寄生电感,能提升钳位效率与响应速度。
  4. 热管理:在高脉冲或高环境温度条件下注意散热通道与 PCB 铜箔面积,必要时采用热沉或增大焊盘面积。
  5. 焊接与可靠性:遵循 SMB 封装的标准焊接工艺与回流温度曲线,避免过度热应力影响可靠性;存储与运输避免潮湿,按常规静电防护操作。

五、封装与机械信息

SMB(DO-214AA)为常见的中功率 TVS 封装,尺寸适中,兼顾散热与占板面积。该封装支持自动化贴片或手工焊接,机加工与 PCB 布局时建议参考制造商的封装图纸与焊盘推荐尺寸以确保良好焊接与热传导。

六、选型与替代建议

在选择 SMBJ150CA 时,需确认系统所承受的最大工作电压和可能出现的脉冲能量。若系统可能遭受更高能量的雷击或更大电流脉冲,考虑选择额定 Ppp 更高或峰值脉冲电流更大的器件,或在系统级加入熔断/限流元件。对于单向保护需求,可考虑相应的单向 TVS 型号以获得更低的反向漏电或更严格的钳位特性。

七、结论

SMBJ150CA(YANGJIE)是一款面向工业级瞬态过压抑制的双向 TVS 器件,具有较高的脉冲能量吸收能力、低泄漏和宽温度范围。适用于对线路瞬态保护有较高可靠性要求的场合。选用时应结合实际工作电压、脉冲能级和系统散热设计,确保器件在预期工况下稳定工作。若需进一步的电气曲线、封装图或可靠性测试数据,建议参考制造商的完整数据手册或直接联系供应商获取详细资料。

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