WMSIC Electronic Components

JJW JEB05D5

ModelJEB05D5
PackageSOD-523
BrandJJW
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
JJW JEB05D5
Type
JJW
Minimum package
8000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JEB05D5
Electronic Component
1
Package
SOD-523
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0g
Electronic Component
1
Voltage
5.5V
Electronic Component
BM0264538419
Voltage
15.5V
Electronic Component
Electronic Component
Electronic Component
8000
Current(Ipp)
5A@8/20us
Voltage(Vrwm)
5V

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

JEB05D5(J JW 捷捷微)瞬态抑制二极管(TVS)产品概述

JEB05D5 是捷捷微(JJW)推出的一款面向低电压保护的瞬态抑制二极管(TVS),常见封装为 SOD-523。该器件针对突发浪涌、电快速瞬变和静电放电等瞬态过压事件提供保护,适用于 5V 级别的电源线和信号线防护。凭借小体积封装与明确的脉冲能力,JEB05D5 在便携式设备、消费电子和工控外围模块中具有良好的实用性。

一、主要特性(概要)

  • 类型:瞬态电压抑制二极管(TVS)
  • 额定反向截止电压(Vrwm):5 V(适用于 5V 系统防护)
  • 击穿电压(Vbr):5.5 V(器件进入击穿导通状态的标称电压)
  • 钳位电压(Vc):15.5 V(在标准脉冲条件下的最大钳位电压)
  • 峰值脉冲电流(Ipp):5 A(基准浪涌波形 8/20 μs)
  • 封装:SOD-523(超小型表贴)
  • 适用场合:对低压电源轨与数据线的瞬态保护

二、典型电气性能说明(易懂解释)

  • Vrwm = 5 V:当电路正常工作且电压低于或等于 5 V 时,器件处于截止状态,不导通(尽管会有小的反向漏泄流,具体数值需参照完整数据手册)。
  • Vbr = 5.5 V:当电压上升到约 5.5 V 时,器件进入击穿区并开始导通,吸收过电压能量以保护下游电路。
  • Vc = 15.5 V(Ipp=5A@8/20μs):在规定的冲击波形与电流下,器件将把电压钳制在最高约 15.5 V,从而限制受保护节点的峰值电压。
  • Ipp = 5 A(8/20 μs):表明在工业标准浪涌波形下器件可承受 5A 的单次峰值脉冲能量;注意 SOD-523 为小封装,重复或长期大能量冲击需谨慎评估。

三、典型应用场景

  • 5V 电源输入与总线保护(USB、5V 外部电源接口)
  • 数据线与信号接口保护(针对差分或单端信号线)
  • 消费类电子:移动设备、充电器、智能穿戴外设
  • 工业与仪表:低压控制信号防护(非高能冲击环境)
  • 任何空间受限、需对瞬态过压提供基本保护的 PCB 设计

四、设计与布局建议

  • 靠近保护点放置:将 TVS 器件尽可能靠近受保护的接插件或信号入口处,最短最粗的走线可降低环路感应电压。
  • 接地处理:对于单向 TVS,应将阴极可靠接地(或接到系统返回);如果是双向器件,按数据手册建议布线。确保地平面充足以分散热量与能量。
  • 串联器件配合:对于较高能量的浪涌,可与系列阻抗元件(如电阻、滤波器或磁珠)配合使用,以分担冲击能量并降低钳位电压要求。
  • PCB 铜箔与散热:SOD-523 尺寸小,铜箔面积和焊盘设计对热耗散有明显影响。增大焊盘与底层铜箔可改善热性能与脉冲寿命。
  • 避免并联不同型号:不同特性器件并联时应谨慎,可能产生电流分配不均导致单只器件超载。

五、使用注意事项

  • 极限条件限制:器件的 5A 脉冲能力基于 8/20 μs 波形,非连续高能冲击或热循环将缩短寿命。设计时应评估可能的最大冲击能量并留有裕量。
  • 环境与可靠性:SOD-523 为小型表贴,抗热冲击与焊接条件请参考厂商焊接说明。高温环境下性能会受影响,应参考完整的温度-电气特性曲线。
  • 型号确认:在关键或高可靠性应用中,请与 JJW 或授权代理确认完整的产品数据手册与可靠性认证信息。

六、包装与选型建议

  • 封装 SOD-523 适合空间受限的消费与便携设备。选型时除主要电气参数外,还应确认最大漏电、最大功耗、结温范围以及是否为单向或双向版本。
  • 批量采购前建议获取样品并在目标系统环境中做浪涌与 ESD 验证,以确保钳位电压与吸收能力满足实际需求。

结语:JEB05D5 提供了面向 5V 级系统的紧凑、经济的瞬态保护方案。合理的 PCB 布局与系统级防护策略能够发挥其最佳保护效果;在更高能量或更严苛环境下,应考虑更大功率等级或并联/级联设计方案。若需进一步的电气细节(如漏电、结电容、极性说明、温度特性),建议向 JJW 获取完整产品数据手册。

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