WMSIC Electronic Components

RUILON(瑞隆源) RLSD92Q051C

ModelRLSD92Q051C
PackageDFN1006-2L
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 RLSD92Q051C
Type
RUILON
Minimum package
10000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RLSD92Q051C
Electronic Component
1
Package
DFN1006-2L
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.011g
Electronic Component
1
Cj- Capacitor
8.9pF
Electronic Component
BM0264391800
Voltage
17V
Electronic Component
IEC 61000-4-2
Current(Ir)
100nA
Voltage(VBR)
5.7V

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

RLSD92Q051C 瞬态抑制二极管(TVS)产品概述

RLSD92Q051C是瑞隆源(RUILON)推出的双向瞬态抑制二极管(TVS),专为5V电压系统的静电放电(ESD)及浪涌过压防护设计,平衡了高速信号兼容性与强防护能力,适配小型化、高集成度的电子设备需求。

一、产品核心定位与价值

作为低电压TVS器件,RLSD92Q051C的核心价值体现在三个维度:

  1. 精准适配5V系统:反向截止电压、击穿电压均匹配5V工作场景,避免正常工作时误触发,防护时快速响应;
  2. 高速信号无干扰:低结电容(8.9pF)满足100MHz以上高速信号传输需求(如USB 2.0/3.0、HDMI),不影响信号完整性;
  3. 微型化设计:DFN1006-2L封装尺寸仅1.0×0.6mm,适配智能手机、可穿戴设备等小型化终端的高密度布局。

二、关键参数解析

RLSD92Q051C的参数设计针对性强,核心参数的工程意义如下:

1. 电压与极性特性

  • 双向极性:无需区分信号方向,直接并联在双向传输线路(如USB数据线、天线)与地之间,简化电路设计;
  • 反向截止电压(Vrwm=5V):5V系统正常工作时,器件处于截止状态,不消耗静态电流;
  • 击穿电压(Vbr=5.7V):比截止电压高0.7V,确保5V系统波动(如±5%)时不触发防护,仅在过压时快速导通;
  • 钳位电压(Vc=17V):防护时将线路电压钳位在17V以下,保护后端敏感元件(如MCU、传感器)不被过压击穿。

2. 脉冲防护能力

  • 峰值脉冲电流(Ipp=5A@8/20μs):符合IEC 61000-4-2标准的浪涌波形(8μs上升、20μs下降),可承受常见的ESD冲击(接触放电4kV、空气放电8kV);
  • 峰值脉冲功率(Ppp=68W@8/20μs):脉冲功率余量充足,避免单次强冲击导致器件失效,提升长期可靠性;
  • 反向漏电流(Ir=100nA):极小微安级漏电流,不影响系统静态功耗,适配低功耗设备(如IoT传感器)。

3. 高速兼容性参数

  • 结电容(Cj=8.9pF):低结电容是高速信号防护的关键——结电容过大将导致信号衰减、相位偏移,8.9pF可兼容100MHz以上的高速接口(如USB 3.0的5Gbps传输)。

三、封装与可靠性设计

RLSD92Q051C采用DFN1006-2L封装,具备以下设计优势:

  1. 微型化:尺寸1.0×0.6mm,厚度仅0.3mm,适配智能手机、智能手表等小型化终端的高密度PCB布局;
  2. 散热性:DFN封装无引脚,热阻低(典型值<100℃/W),可快速散掉脉冲功率,避免器件过热失效;
  3. 可靠性:通过IEC 61000-4-2静电放电测试,且符合RoHS环保标准,适合工业、消费电子等多场景长期使用。

四、典型应用场景

RLSD92Q051C的参数特性使其适配多类5V系统的防护需求:

  1. 消费电子接口:USB Type-C、HDMI、音频接口(耳机孔、麦克风)的ESD防护;
  2. IoT与无线模块:WiFi、蓝牙、LoRa模块的天线接口及数据总线防护;
  3. 汽车电子低压子系统:车载USB充电口、中控面板按键电路的浪涌防护;
  4. 工业控制低电压电路:PLC输入输出接口、传感器信号线路的过压防护。

五、应用注意事项

  1. 并联安装:TVS需直接并联在被防护线路与地之间,尽量靠近接口端,减少线路寄生电感;
  2. 电压匹配:仅适配5V系统,若系统电压为3.3V,需选择对应低电压型号;
  3. 结电容考量:对于1GHz以上超高速信号(如HDMI 2.1),可结合实际信号频率测试兼容性;
  4. 脉冲余量:若系统可能出现多次连续脉冲,需确认脉冲功率累计是否超出器件额定值。

RLSD92Q051C以“低电压精准防护+高速信号兼容+微型化”为核心优势,是5V系统ESD/浪涌防护的高性价比选择,适配消费电子、IoT、汽车电子等多领域的小型化设备需求。

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