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LBZX84C75LT1G是乐山无线电(LRC)推出的一款贴片式稳压二极管,采用SOT-23小封装设计,针对中高压(75V标称)、小功率稳压场景优化,具备宽温工作能力与低漏电流特性,适用于工业仪表、汽车电子、便携设备等多种应用。
该型号聚焦紧凑电路中的中高压稳压需求,设计核心在于:
标称稳压值为75V,实际工作范围为70V~79V(含工艺误差),可覆盖多数中高压稳压场景的电压需求。实际应用需结合负载电流与耗散功率,确保工作点落在稳压区间内。
最大耗散功率(Pd)为300mW,是长期稳定工作的功率上限。实际使用需按环境温度降额(如25℃以上每升高1℃,功率降额约2mW),避免过热损坏。
反向漏电流(Ir)仅50nA,反向截止状态下功耗极低,适合电池供电的低功耗设备;同时体现器件反向绝缘可靠性,减少待机损耗。
动态阻抗(Zzt)为255Ω,反映稳压管在工作电流下的电压稳定性——阻抗越低,输出电压随负载波动越小。该参数确保典型工作电流范围内的稳压精度满足工程需求。
工作结温范围为**-55℃+150℃**,覆盖工业级(-40℃+85℃)与部分车载级(-55℃~+125℃)环境,可在极端气候下稳定工作。
采用SOT-23贴片封装,尺寸约2.9mm×1.6mm×1.1mm,具备以下优势:
工业传感器、数据采集模块常需中高压基准电压,该器件的宽温特性与稳定稳压性能,可作为仪表电压基准或电源稳压环节,保障测量精度。
车载传感器(压力、温度传感器)供电电路需中高压稳压,其-55℃~+150℃宽温范围适配发动机舱等高温环境,小封装适合车载模块紧凑设计。
低漏电流(50nA)与SOT-23封装,适合电池供电的手持测试仪等设备,待机漏电流低延长续航,稳压特性满足内部中高压电路需求。
可配合其他器件作为小功率电源的过压保护环节——电源电压超稳压值时,器件反向击穿限制电压波动,保护后端电路。
乐山无线电(LRC)是国内半导体老牌厂商,产品符合RoHS环保标准,经温度循环、振动等可靠性测试。LBZX84C75LT1G参数一致性与稳定性满足量产要求,降低客户选型验证成本。
综上,LBZX84C75LT1G是专为中高压小功率稳压设计的贴片器件,平衡小封装、宽温、低功耗与稳压性能,适用于多种工业与消费电子场景。
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