WMSIC Electronic Components

FUXINSEMI SMAJ6.0CA

ModelSMAJ6.0CA
PackageDO-214AC
BrandFUXINSEMI
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
FUXINSEMI SMAJ6.0CA
Type
FUXINSEMI
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
SMAJ6.0CA
Electronic Component
1
Package
DO-214AC
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.093g
Electronic Component
1
Electronic Component
BM0265132996
Operating Temperature
55℃~+150℃
Voltage
10.3V
Current(Ir)
800uA
Voltage(VBR)
6.67V
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 瞬态抑制二极管(TVS)产品概述

一、产品基本定位与品牌背景

SMAJ6.0CA是富芯森美(FUXINSEMI) 推出的一款双向瞬态抑制二极管(TVS),采用行业标准DO-214AC(SMA封装),专为6V电压等级的电路系统设计,核心作用是快速抑制瞬态浪涌电压,保护后端敏感电子元件免受静电放电(ESD)、电快速瞬变脉冲群(EFT)、雷击浪涌等干扰损坏。该产品凭借宽温范围、高功率容量与紧凑封装,适配消费电子、工业控制、汽车电子等多领域的低电压系统防护需求。

二、核心电性能参数解析

TVS管的防护能力由关键参数直接决定,SMAJ6.0CA的核心参数及实际意义如下:

1. 极性与基础电压参数

  • 双向极性:无需区分正负方向,可同时防护正向与反向浪涌脉冲,简化电路设计;
  • 反向截止电压(Vrwm):6V:正常工作状态下,TVS管反向不导通的最大直流电压,适配5V~6V系统的长期工作电压;
  • 击穿电压(Vbr):6.67V:反向浪涌触发时的起始击穿电压,介于Vrwm与钳位电压之间,保证“正常电压不导通、浪涌电压快速响应”的核心特性;
  • 反向漏电流(Ir):800μA:Vrwm下的反向漏电流,数值极低,对系统静态功耗影响可忽略。

2. 浪涌防护能力参数

  • 钳位电压(Vclamp):10.3V:浪涌脉冲峰值时,TVS管导通后将电压钳位在该值,确保后端电路电压不超过安全阈值;
  • 峰值脉冲电流(Ipp):38A:10/1000μs标准脉冲波形下,可承受的最大峰值电流(10μs上升、1000μs下降的浪涌波形);
  • 峰值脉冲功率(Ppp):400W:10/1000μs波形下的峰值功率容量,是衡量浪涌防护能力的核心指标,可覆盖常见工业/消费场景的浪涌强度。

3. 环境适应性参数

  • 工作温度:-55℃~+150℃:宽温范围符合工业级与汽车级标准,可在极端温度环境下稳定工作。

三、封装与可靠性设计特点

SMAJ6.0CA采用DO-214AC(SMA)贴片封装,具备以下优势:

  1. 体积紧凑:封装尺寸约2.2mm×3.5mm,适合高密度PCB设计,满足小型化电子设备需求;
  2. 可靠性高:塑料封装符合RoHS环保标准,耐潮湿、耐振动,可通过高温回流焊、波峰焊等工艺;
  3. 安装便捷:贴片式设计适配自动贴装生产线,引脚间距合理,焊接兼容性强。

四、典型应用场景

结合参数特性,SMAJ6.0CA主要应用于以下场景:

  1. 消费电子:手机、平板、蓝牙耳机等设备的充电接口、Type-C数据接口的ESD防护;
  2. 工业控制:PLC输入输出模块、传感器节点、电机驱动电路的5V电源线路浪涌防护;
  3. 汽车电子:车载胎压监测(TPMS)、车载蓝牙模块等5V子系统的瞬态电压防护;
  4. 通信设备:路由器、交换机的以太网接口、DC-DC电源输入的浪涌抑制;
  5. 物联网终端:智能门锁、环境传感器等低功耗设备的电源与信号线路防护。

五、选型与使用注意事项

为确保防护效果,需注意以下要点:

  1. 电压匹配:Vrwm需≥系统正常工作电压(如5V系统选择6V Vrwm的SMAJ6.0CA),避免误触发;
  2. 功率校验:若实际浪涌功率超过400W,可并联多个同型号器件提升总容量;
  3. 焊接规范:回流焊峰值温度不超过260℃,焊接时间≤10s,避免损伤器件;
  4. 环境适配:虽宽温范围强,但需避免长期暴露在腐蚀性气体(如硫化物)中;
  5. 并联布局:与被保护电路并联,靠近防护端口安装,减少引线电感影响防护效果。

SMAJ6.0CA通过平衡紧凑封装与高防护能力,成为6V系统浪涌防护的高性价比选择,可满足多数中低功率电子设备的瞬态电压防护需求。

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