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LBAV170LT1G是乐山无线电(LRC)推出的一款1对共阴极快速开关二极管,采用小型化SOT-23表面贴装封装,以低功耗、宽温适应性和快速开关特性为核心优势,广泛适用于小功率电子设备的信号切换、电源整流及保护电路。
该器件针对小功率、高密度PCB设计场景优化,核心定位清晰:
LBAV170LT1G的核心参数精准匹配小功率应用,具体意义如下:
参数类别 数值 实际应用价值 二极管配置 1对共阴极 双二极管共享阴极,阳极独立,可实现信号选通、双路续流等功能 正向压降(Vf) 1V(典型) 导通电压低于普通整流管,减少导通损耗,适合低电压电源系统 直流反向耐压(Vr) 85V 反向截止时可承受85V直流电压,满足12V~48V电源的过压防护需求 整流电流(If) 215mA 直流导通额定电流,适配5V/100mA、12V/50mA等小功率电源的整流/续流 耗散功率(Pd) 150mW 最大允许功耗,需通过PCB铜箔散热(如增加引脚焊盘面积)控制结温不超150℃ 反向电流(Ir) 5nA(典型) 反向漏电流极小,保证反向绝缘性,降低电池供电设备的待机损耗 反向恢复时间(Trr) 3μs 开关从导通到截止的恢复时间,属于快速恢复范畴,避免反向浪涌电流冲击 工作结温(Tj) -65℃~+150℃ 宽温范围,适应工业级环境(车载、户外设备)或极端温度场景采用SOT-23表面贴装封装,尺寸约1.6mm×2.9mm×1.1mm,特点突出:
结合参数特性,该器件主要应用于以下场景:
该器件通过LRC可靠性测试,满足:
乐山无线电(LRC)是国内领先的分立半导体制造商,拥有50+年器件研发生产经验,产品覆盖二极管、三极管等品类。LBAV170LT1G采用LRC成熟工艺,品质稳定,供货周期短,广泛应用于消费电子、工业控制领域。
总结:LBAV170LT1G以共阴极结构、快速开关、小封装和宽温特性为核心,是小功率开关/整流场景的高性价比选择,尤其适合对体积、功耗有要求的便携式设备及工业应用。
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