Model & package intelligence
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Leiditech SR05L
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Leiditech SR05L
- Type
- LEIDITECH
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LEIDITECH
- Electronic Component
- SR05L
- Electronic Component
- 1
- Package
- SOT-143
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.02g
- Electronic Component
- 1
- Cj- Capacitor
- 0.45pF
- Electronic Component
- BM0264463867
- Voltage
- 17V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 500nA
- Voltage(VBR)
- 6V
- 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.
SR05L 产品概述
一、产品简介
SR05L 是 Leiditech（雷卯电子）推出的一款用于信号线与电源线的瞬态抑制（ESD）二极管，专为移动设备、笔记本和各类手持终端的静电放电与雷击浪涌保护设计。封装为 SOT-143，体积小、便于自动贴装，适合空间受限的消费电子产品。该器件在保证低泄漏与低结电容的前提下，提供可靠的钳位性能和峰值脉冲吸收能力。
二、主要参数
- 反向截止电压 Vrwm：5 V（典型工作电压）
- 击穿电压 VBR：6 V
- 钳位电压（Clamping）：17 V（峰值条件下）
- 峰值脉冲功率 Ppp：50 W（8/20 μs 波形）
- 反向漏电流 Ir：500 nA（超低泄漏，nA 级别）
- 结电容 Cj：0.45 pF（适合高速信号线）
- 防护等级/符合标准：IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5
- IEC 61000-4-2（ESD）：空气/接触放电 ±20 kV
- IEC 61000-4-4（EFT）：40 A（5/50 ns）
- IEC 61000-4-5（雷电浪涌）：3 A（8/20 μs）
三、关键特性
- 极低泄漏电流（500 nA），在待机或低功耗模式对电路影响最小。
- 低结电容（0.45 pF），对高速数据线（如 USB、音频、数传等）信号完整性影响小。
- 钳位电压低（典型 17 V），在瞬态事件中能有效限制电压峰值，保护后端敏感芯片。
- 强大的脉冲吸收能力（50 W @8/20 μs），对应常见雷击/浪涌情形。
- 小尺寸 SOT-143 封装，方便在紧凑型产品中部署多路保护。
四、典型应用
- 手机及其配件（数据线、防护接口）
- 笔记本电脑、平板、手持终端的 I/O 接口保护
- 摄像头模组、蓝牙/无线模块、音频接口等高速信号线防护
- 充电插口、DC 输入、外设连接器的浪涌与静电保护
五、PCB 布线与选型建议
- 器件应尽量靠近受保护的连接器/接口布局，减少走线电感和回路面积。
- 接地端应保证低阻抗连接到主地平面，避免长而窄的地线。
- 对高速差分信号，应评估器件并联或对称布置对信号完整性的影响，SR05L 低 Cj 有利于保持带宽。
- 在高能浪涌场景下，可与系列电阻、共模扼流圈或磁珠配合使用以提升系统耐受能力。
- 详细最大额定值与可靠性参数请参考完整规格书以保证设计裕量。
六、封装与采购信息
- 品牌：Leiditech（雷卯电子）
- 型号：SR05L
- 封装：SOT-143（小体积，适合贴片工艺）
- 适用于要求超低泄漏、低电容并需通过 IEC ESD/EFT/雷击测试的便携式电子产品。
如需样品测试、封装尺寸图或详细电气特性曲线，请联系雷卯电子技术支持或索取完整数据手册，以便在具体系统中进行验证与可靠性评估。
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