WMSIC Electronic Components

YANGJIE SMBJ16CA

ModelSMBJ16CA
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 SMBJ16CA
Type
DO-214AA(SMB)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMBJ16CA
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
0.203g
Electronic Component
1
Electronic Component
BM0228973953
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.

SMBJ16CA 产品概述

一、产品简介

SMBJ16CA 是一款双向瞬态电压抑制器(TVS),由 YANGJIE(扬杰)生产,采用 SMB(DO-214AA)表面贴装封装。该器件专为抑制瞬态过电压与浪涌能量设计,能够在雷击、电源突变或开关瞬变时将尖峰电压钳制至安全水平,从而保护下游电路器件不被损坏。器件工作温度范围宽(-55℃至 +150℃),适用于工业级和车载级等环境。

二、主要电气参数

  • 类型:TVS(二向)
  • 反向截止电压 Vrwm:16 V(额定工作钳位参考值)
  • 击穿电压(Vbr):19.7 V(典型值)
  • 钳位电压(Vc):26 V(在标准测试条件下)
  • 峰值脉冲电流 Ipp:23.1 A @ 10/1000 μs 波形
  • 峰值脉冲功率 Ppp:600 W @ 10/1000 μs 波形
  • 反向电流 Ir:5 μA(在 Vrwm 条件下)
  • 极性:双向(适合交流或差分信号防护)
  • 工作温度:-55℃ ~ +150℃
  • 封装:SMB(DO-214AA)

注:Ipp 和 Ppp 的测试基于 10/1000 μs 浪涌波形,这是常用于雷击和供电浪涌模拟的标准条件。

三、封装与机械特征

SMBJ(DO-214AA)封装为中功率表面贴装封装,适配自动贴片与回流焊工艺。此类封装具有良好的热散能力及较高的浪涌能量承受能力,便于在受限空间内实现可靠保护。具体外形尺寸与焊盘建议请参见厂商详细资料与封装图纸,以保证焊接可靠性与热阻控制。

四、典型应用场景

  • 工业电源和配电系统的瞬态浪涌保护
  • 电池管理与电源模块的反向及浪涌抑制
  • 通讯接口、差分信号线(如 RS-485、差分音频/视频)及数据总线的共模/差模浪涌防护
  • 电机驱动、继电器线圈断开等场合产生的瞬态抑制
  • 电源模块、充电器与适配器输出保护

由于为双向器件,SMBJ16CA 特别适用于对称脉冲或交流/差分线路的保护(无需外接极性方向判断或反向并联电路)。

五、典型电路与使用要点

  • 连接方式:在被保护节点两端(例如正负轨、差分线对)并联连接 TVS 二极管,双向器件在正负方向对称工作。
  • 钳位考虑:Vrwm=16V 表明该器件适合保护额定工作电压接近或低于 16V 的系统(例如 12V 类系统)。在发生浪涌时,峰值被钳制至约 26V(典型),请核对下游器件可承受电压以确认兼容性。
  • 浪涌能力:600 W(10/1000 μs)峰值功率与 23.1 A 峰值脉冲电流表明器件可承受中等强度雷击或浪涌事件,但在重复或更高能量情形下仍需采取级联保护或增加熔断器/限流器。
  • 热管理:在频繁或高能量浪涌环境中注意 PCB 散热路径与焊盘面积,必要时加宽铜箔或使用热沉设计以分散浪涌能量。

六、选型与可靠性建议

  • 依据系统工作电压选择合适 Vrwm。若系统稳态电压接近或超过 16V,应选择更高 Vrwm 的型号以避免常态导通。
  • 考虑浪涌来源与能量:若预期有更强雷击或重复浪涌,应选择能量等级更高或多个防护级联(前端吸能 + TVS 钳制)。
  • 检查温度与环境:器件工作温度范围为 -55℃ 至 +150℃,适用于大多数工业环境,但在极端热负荷或密闭空间应关注热累积问题。
  • 测试与验证:在样机与系统级进行浪涌测试与长时静态漏电测试,验证实际钳位电压、漏电与热响应满足系统要求。

七、包装与采购提示

该型号由 YANGJIE(扬杰)供应,常见为散装或托盘式 SMT 包装。选购时请向供应商确认器件的批次、封装尺寸图、回流焊温度曲线与质量合格证明(如有需要),以保证装配与长期可靠性。

总结:SMBJ16CA 为中功率双向 TVS 器件,适用于 16V 级电源与差分/交流线路的瞬态浪涌保护,具有 600 W(10/1000 μs)峰值功率能力和较低漏电,适合工业与通用电源保护应用。在设计中应注意钳位电压对下游元件的影响及 PCB 的热管理,以确保长期稳健运行。

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