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RUILON SMD4532-400NF SMD4532
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON SMD4532-400NF
- Type
- RUILON
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- SMD4532-400NF
- Electronic Component
- 1
- Electronic Component
- 3.2mm
- Package
- 1812
- Electronic Component
- 2
- Electronic Component
- (GDT)
- Electronic Component
- ±30%
- Electronic Component
- 0.29g
- Electronic Component
- 4.5mm
- Electronic Component
- 2.7mm
- Electronic Component
- 1
- Electronic Component
- BM0264850204
- Operating Temperature
- 40℃~+90℃
- Capacitor
- 0.5pF
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMD4532-400NF — 400V 2极表面贴装气体放电管产品概述
一、产品简介
SMD4532-400NF 是 RUILON(瑞隆源) 系列的一款表面贴装气体放电管（GDT），采用1812（4.5mm × 3.2mm × 2.7mm）方形封装，内部为封装在陶瓷管中的惰性稀有气体。产品专为在印刷电路板上实现自动化贴装、并对宽带设备与通信设备提供浪涌保护而设计，关态电容极小且随两端电压变化保持稳定，适合高带宽环境应用。
二、主要参数
- 极数：2
- 直流击穿电压 Vdc：400 V（精度 ±30%）
- 冲击击穿电压 Vimp：850 V
- 脉冲放电电流：2 kA（8/20 μs）
- 极间电容：0.5 pF
- 工作温度范围：-40 ℃ ~ +90 ℃
- 外形尺寸（L×W×H）：4.5 × 3.2 × 2.7 mm（1812 封装）
- 封装与引脚：陶瓷外壳 + 镍连接器
三、结构与工作原理
器件内部的稀有气体在正、负极之间形成稳定间隙。在正常工作电压下呈高阻抗、关态电容极低；当瞬态过压超过触发电压时，气体电离形成等离子通道，瞬间导通将能量引入接地或旁路，从而保护下游电路。陶瓷外壳与镍连接器保证了高机械强度与良好导热能力，可承受高幅值冲击能量。
四、主要特性与优势
- 低关态电容（0.5 pF），对信号完整性影响极小，适合宽带与高频应用。
- 高浪涌能力：2 kA（8/20 μs）满足常见雷击与开关冲击防护需求。
- 封装适配表贴生产，便于自动贴装与回流焊工艺，降低制造成本。
- 工作温度范围宽，可靠性高，适用于多种工业与民用环境。
- 陶瓷封装与镍端子提升耐久性与电气性能稳定性。
五、典型应用与布局建议
适用于通信设备、宽带器材、机顶盒、路由器、交换机以及多媒体终端等需要保护的数据与电源线路。PCB 布局建议将器件靠近被保护端口或接口处放置，采用短、宽的走线连接至接地层以降低等效串联电感，提高浪涌能量分流效率；利用1812 尺寸有利于自动拾放与回流焊接可靠性控制。
六、使用注意事项
- 触发电压和击穿电压存在制造公差（±30%），选型时应留有裕量。
- 虽具高浪涌能力，仍建议在关键场合与其他防护元件（如TVS、熔断器）配合使用以延长寿命。
- 回流焊温度曲线应符合器件工艺要求，避免过高峰值温度影响封装或内部气体特性。
SMD4532-400NF 以其低电容、高浪涌能力与表面贴装友好性，为需兼顾信号完整性与电磁兼容的现代电子设备提供可靠的过压瞬变防护。
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