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GAQW210EH 是 SUPSiC(国晶微半导体)推出的一款高隔离、低功耗的固态继电器/光电隔离器件,封装为 SMD-8,适用于需要电气隔离和小电流开关控制的应用场景。器件在工业级温度范围内工作,具有兼容 AC 与 DC 驱动的输入、双刀单掷(双通道常开)输出配置以及较高的绝缘耐压特性,适合对体积、可靠性和电磁兼容有较高要求的系统设计。
器件在连续 130 mA 负载电流下工作时,典型导通电阻为 17 Ω,负载端的压降和器件内部功耗需在设计时考虑。例如在满载 130 mA 下,输出端耗散功率约为 I^2·R ≈ 0.13^2×17 ≈ 0.29 W,仍低于器件总功耗 800 mW 的限制,但在高环境温度或密集布板情况下建议留有余量并采用良好散热设计。
输入侧典型正向压降 1.2 V、驱动电流 7 mA,使得微控制器或低功耗驱动器可直接驱动而无需额外放大器。器件对 AC 与 DC 输入均兼容,方便用于交流采样或交流控制场合(请参照应用电路以确认允许的输入极性与最大驱动电流)。
开关速度方面,Ton 约 230 μs、Toff 约 30 μs,适合用于开/关控制与断续开关场合,但不适合高频 PWM(kHz 以上)或需要亚微秒响应的应用。
GAQW210EH 以其 3.75 kVrms 的高隔离能力、支持 AC/DC 驱动、双刀常开输出与工业级工作温度,成为对电气隔离、体积和可靠性有明确要求的系统中一个稳健的选择。适用在低至中等电流的开关和隔离场合,尤其适合微控制器直接驱动的隔离控制模块。设计时应关注功耗、散热与浪涌保护等细节,以确保长期可靠运行。
如需更详细的电气特性曲线、引脚排列或典型应用电路图,可提供进一步的技术资料以便给出针对性的设计建议。
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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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