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Brightking 4532-231-LF
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking 4532-231-LF
- Type
- BRIGHTKING
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- 4532-231-LF
- Electronic Component
- 1
- Electronic Component
- 3.2mm
- Package
- SMD,4.5x3.2mm
- Electronic Component
- 2
- Electronic Component
- (GDT)
- Electronic Component
- 0.284g
- Electronic Component
- 4.5mm
- Electronic Component
- 2.7mm
- Electronic Component
- 1
- Electronic Component
- BM0211497993
- Operating Temperature
- 40℃~+85℃
- Capacitor
- 0.5pF
- 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.
4532-231-LF 产品概述
一、简介
4532-231-LF 是台湾 Brightking（君耀）推出的一款 SMD 放电管（封装 1812/4532，尺寸约 4.5×3.2×2.7 mm），为双极（2 极）防护器件。器件针对浪涌与冲击脉冲提供高能放电能力，同时保持极低的极间电容（约 0.5 pF），适合对信号完整性要求高且需承受大电流冲击的场合。
二、主要性能参数及其意义
- 脉冲放电电流：2 kA（典型脉冲能量能力，用于评估对雷击或开关浪涌的承受能力）；
- 直流击穿电压 Vdc：230 V（器件在正常工作状态下的直流耐压/钳位前的稳态值）；
- 冲击击穿电压 Vimp：750 V（瞬态触发/击穿阈值，表示在高幅值冲击下开始放电的电压）；
- 极间电容：0.5 pF（极低的寄生电容适合数据线和高频电路的保护）；
- 工作温度：-40℃ ~ +85℃（推荐环境温度范围）；
- 尺寸：4.5×3.2×2.7 mm，SMD 封装便于自动贴装与回流焊。
注：脉冲波形通常按 8/20 μs 类标准测得，具体参数应参照厂方数据表。
三、典型应用场景
- 电源输入防雷与浪涌保护（低频电源线、直流/交流供电总线上游防护）；
- 通信接口、串行总线及信号线防护（要求低电容以免影响信号完整性的场合）；
- 工业控制、楼宇自动化、安防设备、LED 驱动电源及逆变器前端保护；
- 与 TVS、MOV 组合构成多级防护方案，提高响应速度与能量分担能力。
四、选型与设计注意事项
- 确认直流工作电压与线路峰值（如 AC 线峰值约 1.414×Vrms）满足器件 Vdc 要求；
- 极间电容低，适合高速信号，但对需要更高能量吸收的场合可与 TVS/MOV 并联使用，GDT 先触发吸收大能量，TVS 负责箝位；
- PCB 布局应把放电管尽量靠近受保护端子，走线尽可能短且粗，保护地（或回路地）使用单点/低阻路径并加地孔；
- 回流焊请遵循厂方的无铅回流曲线规范，避免长期高温退化；
- 工作温度和浪涌能量会影响寿命，若经受过一次大电流冲击建议更换器件。
五、可靠性与测试建议
- 在设计验证阶段应做脉冲浪涌（如 8/20 μs）与 ESD/雷电冲击等实测，评估器件在实际工况下的触发与能量吸收能力；
- 留意器件触发电压随温度变化与衰减，必要时做温升与循环冲击测试；
- 对于关键系统建议建立更换策略：受过一次大幅度冲击后应检查或更换放电器件以保证后续保护可靠性。
如需详细电气特性曲线、回流焊曲线及推荐 PCB 封装图，请索取 Brightking 官方数据手册或联系供应商获取最新资料。
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