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Leiditech JEB03CX
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Leiditech JEB03CX
- Type
- LEIDITECH
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LEIDITECH
- Electronic Component
- JEB03CX
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.013g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 0.6pF
- Electronic Component
- BM0229921445
- Voltage
- 20V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 200nA
- Voltage(VBR)
- 4V
- 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.
JEB03CX 产品概述
一、产品简介
JEB03CX 是 Leiditech（雷卯电子）推出的一款单通道低电容瞬态电压抑制器，采用 SOD-323 封装，专为 3.3V 等单端信号线的瞬态浪涌、静电放电（ESD）和脉冲干扰保护设计。器件体积小、响应快，适合对空间与信号完整性要求较高的应用场景。
二、主要技术参数
- 反向截止电压 (Vrwm)：3.3 V（适用于 3.3V 系统）
- 击穿电压：4 V（典型）
- 钳位电压：20 V（峰值钳位）
- 峰值脉冲功率 (Ppp)：400 W @ 8/20 μs
- 反向电流 (Ir)：200 nA（在 Vrwm 条件下）
- 结电容 (Cj)：0.6 pF（低电容，有利于高速信号）
- 通道数：单路
- 防护等级：符合 IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（浪涌）标准
- 封装：SOD-323
三、关键特性
- 低结电容（0.6 pF），对高速数据和时钟线影响极小，适合高速接口保护。
- 高峰值吸收能力（400 W @8/20 μs），能承受常见工况下的浪涌与脉冲能量。
- 低漏电流（200 nA），对低功耗电路影响小。
- 紧凑封装（SOD-323），便于在空间受限的移动设备、传感器模块中使用。
四、典型应用场景
- 3.3V 单端数据线保护（GPIO、UART、I2C/单线）
- 移动终端、便携式设备和物联网节点的接口防护
- 工业现场总线或传感器前端的输入保护（需满足 IEC 抗扰度要求时）
- USB/串口/天线等对电容敏感的高速或射频前端（视电路配置而定）
五、封装与可靠性
SOD-323 小封装利于自动贴片生产和高密度布局。器件通过 IEC 61000-4 系列抗扰测试认证，能够在工业和民用环境中提供稳定的瞬态保护能力。对焊接与回流工艺兼容，建议遵循厂方回流曲线以保证长期可靠性。
六、使用与布局建议
- 将 JEB03CX 尽量靠近受保护的接口或连接器放置，缩短走线以降低感抗与寄生电感。
- 对于高速差分信号或双向保护需求，需评估器件单向特性是否符合要求；单端对地保护是常见用法。
- 在高能脉冲环境中，应配合适当的系列阻抗或滤波元件分担能量，提高整体鲁棒性。
- 注意 PCB 接地回路设计，确保护套瞬态电流有低阻抗回路引导至地。
七、总结
JEB03CX 以其低电容、高能量吸收和小型化封装，适合保护 3.3V 单端信号和对信号完整性敏感的接口。设计时结合合适的布局和外围抑制措施，可在多种消费、通信与工业场景中提供有效的瞬态防护。若需大量应用或特殊工况验证，建议与供应商或技术支持沟通获取详细应用资料与测评数据。
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