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S-LBAT54CLT1G是乐山无线电(LRC) 推出的一款超小型共阴极肖特基二极管,采用SOT-23表面贴装封装,将1对肖特基管集成于同一封装内(阴极共通)。其核心特征可概括为:低正向压降、小体积、高可靠性,专为低压小功率电子设备的整流、反向保护及信号调理场景设计。
产品参数直接决定了应用适配性,以下是核心参数的实际意义解析:
肖特基二极管的核心优势在于低导通损耗——相比传统硅二极管(典型Vf≈700mV@100mA),该产品压降降低约26%。例如在3.7V电池供电的便携式设备中,每100mA负载电流下,单个二极管可节省约0.18mW功耗,直接延长电池待机/工作时间,对低功耗设备至关重要。
30V的反向耐压覆盖了绝大多数低压系统需求(如5V、12V电源电路),可有效防止反向电压击穿,保护后级敏感元件(如MCU、传感器)。
200mA的持续工作电流适配小功率整流场景(如LED驱动、小型电源模块、信号偏置电路),满足消费类电子的日常电流需求,无需额外并联器件即可稳定工作。
反向漏电流控制在500uA以内(25V反向偏置下),漏电流越小意味着反向状态下静态功耗越低——尤其适合对待机电流敏感的电池设备(如智能手环),可减少不必要的能量损耗。
可承受600mA的单次脉冲浪涌(持续时间短),能有效应对电路中的瞬态过流冲击(如电源上电瞬间的脉冲、外部电磁干扰),提升电路抗干扰能力与可靠性。
SOT-23是超小型表面贴装封装,尺寸仅为2.9mm×1.6mm×1.1mm,引脚间距0.95mm,适配高密度PCB设计,可显著缩小产品体积,满足便携式设备的小型化、轻量化需求(如蓝牙耳机、智能手表)。
该产品由国内半导体龙头企业乐山无线电(LRC) 生产,LRC拥有数十年元器件制造经验,产品符合RoHS环保标准,封装工艺成熟(一致性误差<5%),并经过严格的电性能测试(如温度特性、浪涌测试)及环境可靠性测试(温度循环、湿度老化),确保在-40℃~+125℃的宽温范围内稳定工作,可满足量产应用的可靠性要求。
S-LBAT54CLT1G凭借低导通损耗、小体积封装、可靠的电气性能及LRC的品牌保障,成为低压小功率电子设备中肖特基二极管的优选方案,适用于消费类电子、小型电源、电池管理等多场景的小型化设计需求。
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