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RUILON SMD5542-2500 SMD5542
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON SMD5542-2500
- Type
- RUILON
- Minimum package
- 1500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- SMD5542-2500
- Electronic Component
- 1
- Electronic Component
- 4.2mm
- Package
- SMD,5.5x4.2mm
- Electronic Component
- 2
- Electronic Component
- (GDT)
- Electronic Component
- ±20%
- Electronic Component
- 0.37g
- Electronic Component
- 5.5mm
- Electronic Component
- 4.2mm
- Electronic Component
- 1
- Electronic Component
- BM0258779559
- Operating Temperature
- 40℃~+125℃
- Capacitor
- 0.5pF
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMD5542-2500 产品概述
一、产品简介
SMD5542-2500 是瑞隆源（RUILON）提供的一款表面贴装高压浪涌保护器件，适用于要求小体积、高耐受脉冲能量的电路保护场合。器件整体封装为 SMD，外形尺寸 5.5 × 4.2 × 4.2 mm，便于自动贴装与回流焊接。器件在-40℃ 至 +125℃ 的工作温度范围内稳定工作，适应工业级环境。
二、主要电气参数
- 直流击穿电压 Vdc：2.5 kV，允许公差 ±20%
- 冲击击穿电压 Vimp：4 kV（典型耐受瞬态冲击能力）
- 脉冲放电电流：3 kA（器件短时脉冲放电能力）
- 极间电容：0.5 pF（低电容设计，适合高频或信号线保护）
- 工作温度范围：-40℃ ～ +125℃
三、产品特点
- 小型 SMD 封装，适合高密度 PCB 设计与自动化生产。
- 低极间电容（≈0.5 pF），对高速信号或敏感测量回路影响小。
- 高脉冲放电能力（最高可承受短时 3 kA 脉冲），提高雷击及浪涌事件时的保护可靠性。
- 宽工作温度范围，适合恶劣环境下长期使用。
- 设计用于线路间或共模保护场合，能在过电压事件中提供快速响应。
四、典型应用场景
- 通信接口、数据线和测量仪表的过压/浪涌保护。
- 工业控制系统与电源入口处的浪涌防护模块。
- 直流高压采样与测试设备的保护电路。
- 需要低电容保护元件的高速信号链路。
五、封装与安装建议
- 器件为 SMD 结构，建议采用标准回流焊工艺，遵循厂商推荐的回流温度曲线以保证可靠焊接。
- PCB 布局时尽量缩短保护器件到被保护引脚之间的走线，减小串联阻抗以提高保护效果。
- 对于高能量脉冲，建议在器件周围留出足够的间隔并采用合适的接地回路设计以便有效泄流。
- 在焊接和清洗过程中注意不要使用对器件材料有害的化学剂。
六、可靠性与选型提示
- 直流击穿电压具有 ±20% 的公差，选型时应留有足够裕量以满足系统工作电压和瞬态需求。
- 脉冲放电能力为短时峰值能力，重复或持续的高能量冲击会影响器件寿命，应结合系统防护策略（如串联阻抗、熔断器等）共同设计。
- 若对冲击波形（如8/20μs 等）有严格要求，建议与供应商确认试验条件与实际耐受水平。
如需更详细的电气曲线、封装图及推荐焊盘尺寸或样品测试报告，可联系瑞隆源技术支持获取完整资料。
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