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RUILON SMFJ5.0A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON SMFJ5.0A
- Type
- RUILON
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- SMFJ5.0A
- Electronic Component
- 1
- Package
- SOD-123
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.039g
- Electronic Component
- 1
- Electronic Component
- BM0246633658
- Operating Temperature
- 55℃~+150℃
- Voltage
- 9.6V
- Current(Ir)
- 400uA
- Voltage(VBR)
- 7.07V
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMFJ5.0A 产品概述
一、产品简介
SMFJ5.0A（品牌：RUILON/瑞隆源）是一款针对5V工作电压系统设计的瞬态电压抑制二极管（TVS），封装为SOD-123，属于单向保护器件。该器件用于吸收突发浪涌、抑制电压尖峰，保护敏感的半导体器件和接口电路，适合电源轨、数据线及工业控制等场景的浪涌防护。
二、主要电气参数
- 反向截止电压 Vrwm：5V（典型工作电压）
- 击穿电压（Vz）：7.07V（典型）
- 钳位电压 Vc：9.6V（在规定脉冲条件下测得）
- 峰值脉冲电流 Ipp：20.8A（测试脉冲：10/1000μs）
- 峰值脉冲功率 Ppp：200W（10/1000μs）
- 反向电流 Ir：400μA（在 Vrwm 条件下）
- 工作温度范围：-55℃ ~ +150℃
- 类型：单向 TVS
- 封装：SOD-123（表面贴装）
三、性能特点
- 针对5V系统优化的击穿、电容和钳位特性，能在高达20.8A的脉冲冲击下将线路电压限制在约9.6V以内，减少后级器件应力。
- 200W（10/1000μs）脉冲能量处理能力，适合中等能量的浪涌与雷击后果缓解。
- 低反向漏电（约400μA）在静态工作时对系统功耗影响小。
- 宽温工作范围（-55℃至+150℃），适合工业及汽车附近高温环境（但实际汽车应用需确认相关车规认证）。
四、典型应用场景
- 5V 电源轨保护（如 USB、嵌入式板载电源）
- 接口与信号线防护（串口、GPIO 接口等）
- 工业控制设备、传感器供电与通信端口
- 家电与通信设备中对浪涌和开关瞬态的抑制
五、封装与布局建议
- SOD-123 为小型表面贴装封装，适合空间受限的 PCB 设计。
- 建议将器件放置于被保护接口或电源入口的靠近位置，尽量缩短引线长度以减小寄生电感，提升钳位效果。
- 增大器件周围的铜箔面积有助于散热，但注意不要严重改变焊接热容量以致回流焊可靠性问题。
- 单向器件有极性，SOD-123 上通常通过印记标示极性（阴极带），布板时注意方向。
六、可靠性与工艺注意
- 遵循标准 SMT 回流焊温度曲线；避免反复强热造成器件参数漂移。
- 在高能脉冲后器件可能累积损伤，建议在关键保护点考虑冗余或可更换设计。
- 如果用于需通过汽车或其他认证的系统，请核实器件的相应认证与湿热、热循环耐受性数据表。
七、选用建议
- 若目标系统为标准5V供电且需中等能量浪涌保护，SMFJ5.0A 提供了良好的性价比和可靠性。
- 对于更高能量或更严格钳位电压要求的场合，应考虑更高功率等级或并联/组合保护方案（如串联限流、SMD 保隙或气体放电管等）。
- 采购时请确认包装形式（卷带/盘装）与批次，必要时索取完整数据手册与浪涌测试曲线以做最终验证。
如需具体的电气曲线图、封装尺寸或样品测试建议，我可以协助提供更详细的工程支持。
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