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EVERLIGHT ELM406A(TA)-G ELM406A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- EVERLIGHT ELM406A(TA)-G
- Type
- EVERLIGHT
- Minimum package
- 3500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- EVERLIGHT
- Electronic Component
- ELM406A(TA)-G
- Electronic Component
- 1
- Package
- SOP-4
- Electronic Component
- Solid State Relay (MOS Output)
- Electronic Component
- 0.231g
- Electronic Component
- 1
- Electronic Component
- BM0224754345
- Load Voltage
- 60V
- (Vf)
- 1.5V
- Electronic Component
- Electronic Component
- Electronic Component
- 3500
- Load Current
- 550mA
- Voltage(Vrms)
- 3.75kV
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ELM406A(TA)-G 产品概述
一、产品简介
ELM406A(TA)-G 是台湾亿光（EVERLIGHT）推出的一款固态继电器（MOS 输出），采用 SOP-4 表面贴装封装，适用于微小尺寸且需电气隔离的直流负载开关场合。器件输入端为发光二极管（LED），输出端为 MOSFET 开关结构，实现无触点、长寿命的电气隔离控制。
二、主要参数
- 隔离电压 (Vrms)：3.75 kV（保证输入与输出之间的高压隔离能力）
- 输入正向压降 (Vf)：约 1.5 V（LED）
- 连续负载电流：550 mA（最大连续导通电流）
- 允许负载电压：最高 60 V
- 封装：SOP-4（四脚小外形，适合自动贴装）
三、主要特性与优势
- 无机械触点，切换无火花、无触点抖动、低噪声、长寿命。
- 高隔离等级，适合需要安全隔离或保护信号侧的应用。
- MOS 输出对直流负载导通损耗低、开关快速，对微处理器输出友好。
- SOP-4 小体积利于高密度 PCB 布局与自动化生产。
四、典型应用
- 工业控制与继电保护的小电流直流开关
- 仪器仪表、传感器供电/切换
- 通信设备、固态开关模块
- 家电控制、安防及电池管理系统的低压控制回路
五、典型接线与使用要点
- 器件为 4 引脚结构：两脚为 LED 输入、两脚为 MOS 输出（具体引脚请参照厂家数据手册）。
- 输入驱动电阻按公式 R = (Vdrive − Vf)/If 计算。例如：若 Vdrive = 5 V、期望 If = 2 mA，则 R ≈ (5 − 1.5)/2 mA ≈ 1.75 kΩ。实际 If 取值应以产品数据手册推荐为准，以兼顾灵敏度与可靠性。
- 输出侧为固态 MOS 开关，建议针对感性或切换瞬态较大的负载并联 RC 吸收或 TVS 保护，避免瞬态超出器件耐受范围。
- 输入与输出接地应保持隔离，布线时注意爬电距离与绝缘处理以满足隔离电压要求。
六、热设计与可靠性
- 最大发热与导通损耗与 MOSFET 的导通电阻相关（请参考原厂资料获取 Rds(on) 与额定功耗）。在 550 mA 连续工作下，建议对器件进行适当降额（例如按 70% 规则）以提高可靠性。
- SOP-4 封装散热受限，需在 PCB 层面做好散热走线或加大铜箔面积，避免高温导致寿命下降。
- 长期工作环境应避免过高湿度和机械应力，必要时采用涂覆或密封处理。
七、封装与选型建议
- SOP-4 小尺寸适合自动化贴装与空间受限场合。订型时确认工作电压范围、所需隔离等级与导通电流裕量。
- 在最终设计前，强烈建议参考原厂完整数据手册获取详细电气特性、动态参数及热阻曲线，以便进行精确的电路匹配与热管理。
总结：ELM406A(TA)-G 以其高隔离、无触点开关和小体积封装，适合各类需安全隔离和长期可靠切换的低压直流负载场合。设计时重点关注输入驱动电流、输出瞬态保护与 PCB 散热布局，以确保系统稳定可靠运行。
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