WMSIC Electronic Components

JJW JEB05DFA

ModelJEB05DFA
PackageDFN1006-2L
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 JEB05DFA
Type
JJW
Minimum package
10000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JEB05DFA
Electronic Component
1
Package
DFN1006-2L
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.011g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
15pF
Electronic Component
BM0258557642
Operating Temperature
55℃~+125℃
Voltage
12V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2

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

JEB05DFA 产品概述

一、产品简介

JEB05DFA 是捷捷微(JJW)推出的一款用于线路静电放电与浪涌保护的单路双向瞬态抑制器(ESD Protector),封装为 DFN1006-2L。器件针对 ± 极性冲击提供高效钳位和低漏电特性,适用于空间受限的便携与工业电子产品中对 5V 等工作电压线路的过电压保护需求。

二、主要性能参数

  • 极性:双向(Bidirectional)
  • 反向工作电压 Vrwm:5 V
  • 击穿电压 Vbr:7 V(典型/测试条件下)
  • 钳位电压 Vclamp:12 V(在标准脉冲条件下)
  • 峰值脉冲电流 Ipp:7 A @ 8/20 μs
  • 峰值脉冲功率 Ppp:60 W @ 8/20 μs
  • 反向电流 Ir:100 nA(常温,Vrwm 条件下)
  • 结电容 Cj:15 pF(影响高速信号的通带特性)
  • 通道数:单路
  • 工作温度范围:-55 ℃ ~ +125 ℃
  • 符合电磁兼容/防护标准:IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)、IEC 61000-4-5(浪涌)
  • 封装:DFN1006-2L(小封装、低剖面)

三、核心特性与优势

  • 双向保护:对正、负极性瞬态均可钳位,无需额外极性元件,适合数据线和可双向受压的接口保护。
  • 低漏电流:在 Vrwm(5 V)下,典型反向电流仅 100 nA,适合对低功耗和高灵敏信号要求较高的电路。
  • 高能量吸收能力:Ipp 7 A 且 Ppp 60 W(8/20 μs)能够有效吸收中等能量的直流/交流脉冲与快速浪涌。
  • 紧凑封装:DFN1006-2L 占板面积小、引脚间距短,有利于现代便携式产品的紧凑布局。
  • 工业级工作温度:-55 ℃ 至 +125 ℃,适用范围广,适合严苛温度环境的长期可靠性需求。
  • 电磁兼容性:满足常见 IEC 61000 系列测试要求,降低现场故障率与整机认证难度。

四、典型应用场景

  • 移动终端、平板与便携设备的 USB、音频、按键与其他外部 I/O 口保护
  • 工业控制器与仪表的人机界面与低压信号线保护
  • 物联网模块、蓝牙/无线模块的天线与信号接口防护(需考虑 Cj 对高速信号的影响)
  • 消费类电子、穿戴设备等对 PCB 空间要求高的场合
  • 任何 5 V 等级电路的防静电、浪涌与脉冲干扰保护

五、封装与布板建议

  • 尽量将器件放置在被保护引脚与外部连接器之间,靠近连接器处布置以缩短导入路径,提升保护效率。
  • 地线(GND)回流路径应尽量短且粗,使用单点或多点接地配合过孔以降低地弹跳。
  • 对于高频或高带宽信号线,应评估 15 pF 的结电容对信号完整性的影响,必要时选择低容版本或采用串联阻抗/滤波器配合使用。
  • 在 PCB 布局中,避免将器件放置在敏感模拟电路附近,以减少瞬态分流至敏感节点的可能性。

六、可靠性与合规性

JEB05DFA 针对实验室常用的 ESD、EFT、浪涌测试标准进行设计,可帮助产品通过相应的 EMC 测试与现场静电/浪涌抗扰度要求。其宽温度运行范围与低漏电流特性也有利于长期稳定工作。实际设计中,应结合系统整体接地与保护策略做综合验证,确保满足最终认证与现场使用条件。

七、选型与注意事项

  • 若保护对象为超高速差分信号(例如高速 USB、PCIe 等),需关注器件结电容对信号抖动及带宽的影响,15 pF 属于中等值,可能在高数据率场合需谨慎评估。
  • 对于需要更高能量吸收或更低钳位的场合,可比较其他型号或并联/串联配合使用以实现更合适的保护策略。
  • 使用前请参照 JJW 官方资料(datasheet)获取完整的电气特性曲线、测试条件与封装尺寸信息,确保在具体工况下的安全裕度。

产品型号:JEB05DFA;品牌:JJW(捷捷微);封装:DFN1006-2L。若需完整数据手册、典型波形图或参考 PCB 布局范例,可进一步索取器件 datasheet 以便在设计中精确仿真与验证。

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