WMSIC Electronic Components

RUILON RLSD52A051C

ModelRLSD52A051C
PackageSOD-523
BrandRUILON
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
RUILON RLSD52A051C
Type
RUILON
Minimum package
3000

Technical parameters

Electronic Component
RUILON
Electronic Component
RLSD52A051C
Electronic Component
1
Package
SOD-523
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.021g
Electronic Component
1
Cj- Capacitor
15pF
Electronic Component
BM0258739891
Voltage
15V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
5.5V
Electronic Component
3000

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

RLSD52A051C 产品概述

一、产品简介

RLSD52A051C 是 RUILON(瑞隆源)推出的一款双向 ESD 防护二极管,采用 SOD-523 超小型封装,专为接口和信号线的静电放电及浪涌保护设计。器件通过校验,适合空间受限的便携设备、通信接口和各种敏感信号路径的保护需求。

二、主要技术参数

  • 极性:双向
  • 反向截止电压 Vrwm:5 V
  • 击穿电压 Vbr:5.5 V(典型)
  • 钳位电压(Ipp=9 A, 8/20 μs):15 V
  • 峰值脉冲电流 Ipp:9 A @ 8/20 μs
  • 峰值脉冲功率 Ppp:130 W @ 8/20 μs
  • 反向电流 Ir:1 μA(典型)
  • 结电容 Cj:15 pF
  • 防护等级:符合 IEC 61000-4-2 静电放电防护要求
  • 封装:SOD-523(表面贴装)

三、主要特性与优势

  • 双向结构:可保护交流或双向数据线,适用于差分信号或无明确极性的接口。
  • 高能量吸收:8/20 μs 浪涌下可承受 9 A 电流与 130 W 峰值功率,应对典型工业与通信脉冲事件。
  • 低泄漏电流:1 μA 的低反向泄漏利于电池供电与低功耗系统。
  • 紧凑封装:SOD-523 体积小,便于高密度 PCB 布局与消费电子产品应用。
  • 适度结电容(15 pF):对多数控制与通信信号影响有限,但对超高速接口需评估影响。

四、典型应用场景

  • 移动终端、穿戴设备的充电与外设接口保护
  • USB、串行通讯、SIM/SD 卡接口、音频与控制信号线防护
  • IoT 设备、传感器节点、工控终端的输入/输出端口浪涌与静电防护
  • 消费电子及医疗设备的敏感接口保护

五、PCB 布局与使用建议

  • 器件应尽量靠近受保护的连接器或外部引脚放置,走线最短以减少寄生感抗。
  • 对地或参考地的回流路径应低阻抗,优先使用完整地平面以利吸能与散热。
  • 对高速差分线,先评估 15 pF 结电容对信号完整性的影响,必要时采用低容版本或将 TVS 与串联终端配合使用。
  • SOD-523 封装热能力有限,频繁高能冲击需考虑 PCB 铜箔扩散或并联器件分担脉冲能量。

六、封装与可靠性

SOD-523 表面贴装,支持标准回流焊工艺。小型化封装便于自动化贴装,但对焊接工艺与回流曲线要求规范,以避免热致损伤。器件已按 IEC 61000-4-2 要求做防护验证,适合一般静电保护场景。

七、选型与注意事项

  • 若目标接口对信号完整性敏感(例如高速 USB3.x、PCIe 等),优先考虑更低结电容的 TVS 器件。
  • 对于需要承受更大冲击能量的场合,可并联多个器件或选择更高功率等级产品。
  • 评估工作环境中的最大浪涌电压与钳位需求,确认 15 V 钳位是否在系统可承受范围内。
  • 关注最大反向耐压 Vrwm(5 V),仅用于低压信号保护范围。

八、总结

RLSD52A051C 是一款针对低压双向信号线的高可靠性 ESD/浪涌保护器件,具备较高的脉冲能量吸收能力、低泄漏和小体积封装,适用于多数消费电子与通信接口的防护需求。选型时应综合考虑结电容、钳位电压及系统对信号完整性的要求,以获得最佳保护效果。如需样品测试或更详细的参数曲线,可联系供应商获取器件数据手册与应用指导。

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