WMSIC Electronic Components

Brightking 4532-501-LF

Model4532-501-LF
Package1812
BrandBrightking
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
Brightking 4532-501-LF
Type
BRIGHTKING
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
4532-501-LF
Electronic Component
1
Electronic Component
3.2mm
Package
1812
Electronic Component
2
Electronic Component
(GDT)
Electronic Component
±30%
Electronic Component
0.227g
Electronic Component
4.5mm
Electronic Component
2.7mm
Electronic Component
1
Electronic Component
BM0264590366
Operating Temperature
40℃~+85℃
Capacitor
0.5pF

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

Brightking 4532-501-LF 放电管产品概述

Brightking(台湾君耀)推出的4532-501-LF是一款2极表面贴装(SMD)放电管,专为中等电压等级的过电压防护设计,兼具低电容、高浪涌耐受能力与紧凑封装特性,广泛适配通信、工业、消费电子等领域的高密度PCB设计需求。

一、产品核心定位与应用场景

4532-501-LF属于双极气体放电管范畴,核心作用是在电路遭遇雷电浪涌、电网过压或静电放电(ESD)时,快速击穿导通并泄放浪涌电流,保护后端敏感电子元件(如IC、传感器)不受损坏。其典型应用场景包括:

  • 通信领域:基站射频模块、路由器、光收发器的电源与信号线路防护;
  • 工业控制:PLC、变频器、传感器节点的过压防护;
  • 消费电子:笔记本电源适配器、智能家电的电源线路防护;
  • 安防监控:摄像头、DVR的视频与电源线路防护;
  • 车载电子:车载导航、车联网模块的宽温环境防护(适配-40℃~+85℃工作温度)。

二、关键技术参数解析

4532-501-LF的核心参数精准匹配中等电压防护需求,关键指标如下:

  1. 直流击穿电压(Vdc):500V±30%,实际击穿电压范围350V~650V,需确保系统最大工作电压低于击穿电压的70%(≤350V),避免误触发;
  2. 脉冲放电电流:2kA(10/1000μs标准波形),可承受单次或多次浪涌冲击,抗浪涌能力满足IEC 61000-4-5等标准要求;
  3. 极间电容:0.5pF(低电容特性),对高频信号(如射频、高速数字信号)传输影响极小,适配射频通信等高频场景;
  4. 冲击击穿电压(Vimp):1.1kV,指脉冲浪涌下的击穿电压,比直流击穿电压高,符合实际过压事件的触发逻辑;
  5. 工作温度范围:-40℃~+85℃,宽温设计适应户外、工业现场等极端环境;
  6. 极数:2极,结构简单,安装与应用灵活。

三、封装与物理特性

4532-501-LF采用SMD表面贴装封装,对应英制1812封装规格,物理尺寸为:

  • 长度:4.5mm;
  • 宽度:3.2mm;
  • 高度:2.7mm;

紧凑的封装设计适合高密度PCB布局,可通过自动化贴装设备高效生产,引脚设计稳定,焊接可靠性满足IPC-A-610等电子组装标准,且符合RoHS无铅环保指令。

四、可靠性与环境适应性

Brightking对4532-501-LF进行了严格的可靠性测试,确保长期稳定工作:

  • 浪涌寿命:多次10/1000μs波形浪涌冲击后,击穿电压变化率≤10%,性能稳定;
  • 耐湿性:符合IEC 60068-2-67(湿热试验)要求,适应潮湿环境;
  • 机械强度:抗振动(10~2000Hz,1g加速度)、抗冲击(1000m/s²,6ms)能力满足工业级要求;
  • 耐焊接热:可承受260℃回流焊温度(10秒以内),焊接过程无性能衰减。

五、选型与应用注意事项

  1. 选型匹配:需根据系统最大工作电压(≤350V)、浪涌电流等级选择,若需更高浪涌能力,可将多个器件并联(注意均流设计);
  2. 安装位置:应尽可能靠近被保护电路的输入端,减少浪涌电流在PCB上的路径长度;
  3. 焊接规范:回流焊温度需控制在260℃以下,时间≤10秒,避免手工焊接时过热损坏器件;
  4. 并联设计:多个器件并联时,需确保各器件的击穿电压一致性(±30%范围内),必要时增加均流电阻。

六、总结

Brightking 4532-501-LF放电管凭借500V直流击穿电压、2kA浪涌电流、0.5pF低电容与紧凑SMD封装,成为中等电压等级过压防护的高性价比选择,广泛适配通信、工业、消费电子等领域的高密度设计需求,其宽温范围与高可靠性进一步提升了场景适应性。

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