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DOWO SMD4532-600M SMD4532
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SMD4532-600M
- Type
- DOWO
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- SMD4532-600M
- Electronic Component
- 1
- Electronic Component
- 3.2mm
- Package
- 1812
- Electronic Component
- (GDT)
- Electronic Component
- ±20%
- Electronic Component
- 0.624g
- Electronic Component
- 4.5mm
- Electronic Component
- 2.7mm
- Electronic Component
- 1
- Electronic Component
- BM0264865085
- Operating Temperature
- 40℃~+90℃
- Capacitor
- 1pF
- 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.
SMD4532-600M 产品概述
一 概述
SMD4532-600M（品牌：DOWO/东沃）是一款用于浪涌及过压保护的表面贴装高能脉冲放电元件，封装规格为1812，外形尺寸为4.5 × 3.2 × 2.7 mm。器件针对高能脉冲冲击提供可靠的放电通道，同时保持极低的极间电容，适合对信号完整性有要求或需承受大电流冲击的工业与电力应用场景。
二 主要特性
- 直流击穿电压（Vdc）：600 V（公差 ±20%）
- 冲击击穿电压（Vimp）：1.05 kV
- 脉冲放电电流：2 kA（峰值能力，适用于短时大能量浪涌）
- 极间电容：约 1 pF（低电容设计，适用于高速信号或敏感线路）
- 工作温度范围：-40 ℃ 至 +90 ℃
- 封装/尺寸：1812 SMD，4.5 × 3.2 × 2.7 mm
- 品牌：DOWO（东沃）
- 精度/公差：直流击穿电压 ±20%
三 技术参数（要点）
- 标称直流击穿电压：600 V（器件允许在此值附近稳定存在直流偏置）
- 脉冲放电能力：2 kA，适合承受工业级和雷击诱发的短时高能量脉冲
- 极间电容：1 pF，保证对高速信号通道干扰最小
- 阻抗与响应：针对浪涌快速触发并形成低阻路径（具体响应曲线及箝位电压请参考厂方典型曲线）
- 环境适应性：可在-40 ℃ 至 +90 ℃环境下长期工作，适合户外或工业环境
四 典型应用
- 电源输入端与配电模块的浪涌保护（UPS、逆变器、开关电源）
- 工业控制与自动化设备的过压与雷击防护
- 直流母线、储能系统与充电桩保护器件
- 对信号完整性有要求的接口保护（低电容特性使其适用于某些高速串行信号线路）
- 通信基站、电力变电及配电柜的防雷与浪涌抑制
五 选型要点
- 工作电压匹配：直流工作电压应小于器件击穿电压的合适裕度（考虑 ±20% 公差与系统最大工作电压）。
- 冲击能力评估：根据可能遇到的浪涌能量选择合适的脉冲放电电流等级（本器件支持最高2 kA 瞬态放电）。
- 电容限制：若保护线路为高速信号或高频通道，1 pF 的低电容是优势；若是纯功率线路，可优先考虑冲击电流与耐压特性。
- 温度与环境：确认器件的工作温度范围满足安装环境要求（-40 ℃ 至 +90 ℃）。
- 封装与安装：1812（4.5×3.2×2.7 mm）适配常见SMD贴片工艺与PCB占位。
六 安装与可靠性建议
- 焊接工艺：兼容SMD回流焊接工艺，建议按厂方回流温度曲线进行焊接以保证可靠性。
- PCB 布局：在被保护端与地/参考节点之间尽量缩短连接路径，减小回路电感以提高放电效果。
- 机械应力：避免在器件上施加过大弯曲或拉伸力，存放与贴装过程中防止碰撞损伤。
- 环境防护：必要时在潮湿或腐蚀性环境下采取防护涂层或封装措施，以延长使用寿命。
- 可靠性验证：在关键应用中建议进行实际浪涌测试与寿命评估（如多次1.2/50 μs - 8/20 μs 类脉冲测试）。
七 包装与订购信息
- 封装：1812 SMD 条带卷装（具体卷带数量和卷盘规格请向厂商或代理商确认）
- 型号：SMD4532-600M（品牌：DOWO/东沃）
- 订购建议：量产前建议索取样品进行实际电路验证，并确认器件在目标工作点下的触发与箝位特性。
如需更详细的电气特性曲线（如脉冲箝位电压、触发时间、不同脉冲波形下的放电特性）、回流焊工艺参数或应用案例电路图，我可以帮助整理并提供进一步的技术建议。
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