WMSIC Electronic Components

YANGJIE SMAJ26CA

ModelSMAJ26CA
PackageDO-214AC(SMA)
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 SMAJ26CA
Type
DO-214AC(SMA)
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMAJ26CA
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
1.3g
Electronic Component
1
Electronic Component
BM0230005031
Electronic Component
Electronic Component
Electronic Component
5000

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

SMAJ26CA 产品概述

一、概述

SMAJ26CA 是扬杰(YANGJIE)推出的双向瞬态抑制二极管(TVS),采用 DO-214AC(SMA)低轮廓表面贴装封装,专为对抗工业与消费电子中常见的瞬态电压浪涌设计。器件在 10/1000 μs 波形下具有 400 W 峰值脉冲功率能力,适合自动贴装加工与高可靠性保护应用。

二、主要参数

  • 极性:双向
  • 反向截止电压 (Vrwm):26 V
  • 击穿电压 (VBR):28.9 V
  • 钳位电压 (Vclamp):42.1 V(典型,10/1000 μs 浪涌条件)
  • 峰值脉冲电流 (Ipp):9.5 A(对应 400 W@10/1000 μs)
  • 峰值脉冲功率 (Ppp):400 W @ 10/1000 μs
  • 反向电流 (Ir):5 μA(在 Vrwm 下)
  • 工作温度:-55 ℃ ~ +150 ℃
  • 封装:DO-214AC(SMA)
  • 类型:TVS(瞬态电压抑制器)

三、保护性能说明

该器件在额定浪涌条件下能够将瞬时过压钳制在约 42.1 V 范围,通过在两端导通的大电流把能量耗散掉(Ipp≈9.5 A,对应 Ppp≈400 W)。Vrwm=26 V 表示常态下不会导通,Ir=5 μA 的低漏电流有利于不影响被保护电路的正常工作。双向结构适用于交流或可正负摆幅的信号线上进行直接并联防护。

四、典型应用

适用于需要抗浪涌、抗开关瞬变和雷击感应干扰的场合,例如:

  • IC 引脚、MOSFET 驱动保护
  • 消费电子与计算机接口保护
  • 工业控制、传感器信号线保护
  • 通信设备与端口防护
    尤其针对由感性负载开关、照明启动等引起的瞬态电压。

五、布局与使用建议

  • 尽量靠近被保护端口布置,连接导线(走线)越短越好以降低寄生电感。
  • 在 PCB 上提供充足散热铜箔与回流路径,必要时增加散热铜柱或焊盘面积。
  • 双向 TVS 应并联在需双向保护的信号两端;单向则从线到地(参考设计要求)。
  • 工作环境高温或频繁浪涌时,应考虑热应力与器件寿命的退化,遵循数据手册的功率/能量限制与瞬态能量累积规则。

六、选型与采购

SMAJ26CA 为常见的行业标准型号,适合在需要 26 V 级别稳态耐受与高能量脉冲抑制场景中选用。采购时确认为双向型号、封装(DO-214AC)及是否符合自动贴装工艺要求。品牌:YANGJIE(扬杰)。

如需更详细的电气特性曲线、浪涌能量能力随温度/重复脉冲的退化数据,请参考正式数据手册以确保在目标应用中的安全裕量与长期可靠性。

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