WMSIC Electronic Components

LRC LRC099-04BT1G LRC099

ModelLRC099-04BT1G
PackageSC-88
BrandLRC
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
LRC LRC099-04BT1G
Type
SC-88
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LRC099-04BT1G
Electronic Component
1
Package
SC-88
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.028g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.45pF;0.9pF
Electronic Component
BM0264684739
Voltage
12V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
6V

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

LRC099-04BT1G ESD阵列防护器件产品概述

一、产品定位与核心价值

LRC099-04BT1G是乐山无线电(LRC)推出的四路集成式ESD防护阵列,专为多通道电子电路的静电放电(ESD)防护设计。其核心价值在于高集成度、低电容损耗、强瞬态防护能力,可同时为4个独立信号通道提供可靠的ESD防护,无需为每个通道单独配置ESD器件,有效简化电路设计、降低成本,同时适配高速信号传输场景(如USB 2.0/3.0、I2C、SPI等)。

二、关键电气性能参数解析

该器件的核心参数直接决定防护能力与应用范围,关键参数如下:

  1. 防护电压体系:
    • 反向截止电压(Vrwm)5V:正常工作时器件处于截止状态,不干扰电路信号;
    • 击穿电压(Vbr)6V:可快速响应瞬态过压,触发防护机制;
    • 钳位电压(Vc)12V:将瞬态过压钳位在安全范围,保护后端敏感器件(如MCU、传感器)。
  2. 瞬态电流能力:峰值脉冲电流(Ipp)达5A,可承受IEC 61000-4-2标准下的典型ESD脉冲(接触放电±4kV、空气放电±8kV),满足绝大多数消费电子、工业设备的静电防护需求。
  3. 低电容特性:结电容(Cj)典型值0.45pF(部分测试条件下0.9pF),低电容设计最大程度减少对高速信号的衰减与失真,适配100Mbps以上信号传输(如USB 2.0的480Mbps)。
  4. 低功耗设计:反向电流(Ir)仅1uA,正常工作时漏电流极小,适合低功耗设备(如可穿戴设备、IoT传感器节点)。

三、封装与可靠性设计

LRC099-04BT1G采用SC-88封装(又称SOT-353),是超小型表面贴装封装,尺寸约2.0mm×1.25mm×0.8mm,具备以下优势:

  1. 小型化集成:4路防护单元集成于单一超小封装,大幅节省PCB空间,适配高密度电路(如智能手机主板、智能手表模块);
  2. 可靠性保障:封装采用耐高温、抗机械应力材料,可承受回流焊工艺,工作温度范围通常为-55℃~125℃(需结合 datasheet 确认),满足工业级与消费电子温度需求;
  3. 引脚布局清晰:8引脚设计(部分引脚共用),4个信号通道与电源/地引脚合理布局,便于布线与焊接。

四、典型应用场景

基于四路集成、低电容、强防护特性,该器件广泛应用于:

  1. 消费电子终端:智能手机、平板、笔记本的接口防护(USB、耳机、充电口),保护内部MCU、音频芯片;
  2. IoT与可穿戴设备:智能家居节点(温湿度传感器、智能门锁)、智能手环/手表的信号通道防护,避免静电损坏传感器与控制单元;
  3. 工业控制设备:小型PLC、工业传感器模块、RS485/CAN总线接口的多通道防护,提升静电环境下的稳定性;
  4. 车载低压电路:车载信息娱乐系统的USB接口、蓝牙模块信号防护(适配低压电路需求)。

五、符合的标准与认证

该器件严格遵循国际标准:

  • IEC 61000-4-2:满足ESD防护要求,抵御接触放电(±4kV±8kV)与空气放电(±8kV±15kV);
  • 环保认证:符合RoHS与REACH标准,采用无铅封装,满足全球环保法规。

六、选型与应用注意事项

  1. 电压匹配:电路正常工作电压不超过5V(反向截止电压),避免器件提前导通;
  2. 电容评估:超高速信号(如USB 3.0 5Gbps)需结合速率评估结电容影响,必要时选择更低电容器件;
  3. 接地设计:ESD地引脚需可靠接地,路径尽可能短,降低瞬态电流阻抗;
  4. 焊接规范:SC-88封装需匹配对应PCB焊盘,焊接工艺符合表面贴装要求,避免虚焊影响防护性能。

LRC099-04BT1G通过高集成度与低损耗设计,平衡了防护能力与信号完整性,是多通道电路ESD防护的高性价比选择。

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