WMSIC Electronic Components

MDD SMAJ6.0CA

ModelSMAJ6.0CA
PackageSMA(DO-214AC)
BrandMDD
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
MDD SMAJ6.0CA
Type
MDD
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
SMAJ6.0CA
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.094g
Electronic Component
1
Electronic Component
BM0227599176
Operating Temperature
65℃~+150℃
Voltage
10.3V
Current(Ir)
800uA
Voltage(VBR)
7.37V
Electronic Component
Electronic Component

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

SMAJ6.0CA(6V)TVS二极管 产品概述

一、产品简介

SMAJ6.0CA 是 MDD 品牌的一款双向瞬态电压抑制器(TVS)二极管,封装为 SMA(DO-214AC)。该器件针对瞬态浪涌和脉冲干扰提供高能量吸收能力,适用于对电源线和信号线的过压保护场合。典型型号名表明稳压等级为 6V(工作反向截止电压 Vrwm = 6V),属于 SMAJ 系列中中功率、通用保护类别。

二、主要电气参数

  • 类型:双向 TVS 二极管(bidirectional)
  • 反向截止电压(Vrwm):6V
  • 击穿电压(Vbr):7.37V(典型)
  • 钳位电压(Vc): 10.3V(在标准脉冲条件下)
  • 峰值脉冲功率(Ppp):400W @ 10/1000 μs
  • 峰值脉冲电流(Ipp):38.8A @ 10/1000 μs
  • 反向漏电流(Ir):800 μA(在 Vrwm 条件下的典型/上限,参考规格书)
  • 工作温度范围:-65 ℃ ~ +150 ℃

以上参数说明该器件在面对短时大能量浪涌(如雷击感应、开关瞬变等)时能迅速箝位并吸收大量能量,且在宽温度范围内保持稳定工作。

三、结构与封装特点

SMA(DO-214AC)封装体积小、焊接方便,适合自动贴片与回流焊工艺。双向结构意味着器件对正负极性瞬变均可吸收,无需在电路中并联两个单向器件,简化设计并节省空间。封装的热阻与额定脉冲能力配合,使其在短时浪涌下能将热量传导至 PCB,高温承受能力达 +150 ℃,适用于工业及汽车等严苛环境。

四、典型应用场景

  • 直流电源总线、供电端口的过压和浪涌保护(如 5V~6V 供电系统)
  • 通信接口、串并口保护(防止感应雷击和静电放电)
  • 工业控制、测量仪器的输入保护模块
  • 汽车电气系统局部保护(考虑环境温度与漏电要求)
  • 家电与消费类电子对外部瞬态干扰的防护

五、选型与使用注意事项

  • 确认系统的最大工作电压不超过 Vrwm(6V),且击穿后钳位电压(10.3V)对下游设备安全可接受。
  • 检查反向漏电流(800 μA)是否符合系统待机功耗要求;对于低功耗或传感器前端,需慎重。
  • 峰值脉冲功率给出的是 10/1000 μs 波形下的能力,实际应用中若遇到不同波形或更长能量注入,需叠加余量或采用并联/外加吸收器。
  • 在高温环境或长期循环冲击下应考虑热耗散与寿命退化,必要时进行实际浪涌测试验证。

六、PCB 布局与热管理建议

  • 将 TVS 尽量靠近受保护端口布局,走短且宽的铜箔到地/回流点,降低感抗与电阻。
  • 提供充足的焊盘面积以利于热传导,必要时在焊盘下方加大铜厚或多层过孔散热至内层/底层。
  • 回流焊与波峰焊应遵循制造商的温度曲线,避免过热影响器件特性。

七、结论

SMAJ6.0CA(6V)为一款面向中等能量浪涌的双向 TVS 器件,凭借 400W@10/1000 μs 的吸收能力、10.3V 的钳位水平及 -65~+150 ℃ 的工作温度范围,适合工业、通信及部分汽车应用的过压保护。选型时需关注漏电流与钳位电压对系统的影响,并在 PCB 布局与热管理上给予充分考虑,以确保长期可靠性。若需更详细的电气特性曲线或测试条件,请参阅 MDD 提供的完整规格书。

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