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1.5KE16CA是RUILON(瑞隆源)推出的一款双向瞬态抑制二极管(TVS),采用DO-201AD轴向封装,专为电路中的瞬态过压防护设计,具备宽温适应、高脉冲耐受能力,可有效抑制雷电、静电放电(ESD)、开关浪涌等瞬态干扰,保护后端敏感电子元件。
作为1.5kW级TVS器件,1.5KE16CA属于单路通道设计,核心特性包括:
1.5KE16CA的关键参数直接决定其防护性能,各参数实际意义如下:
指器件在正常工作状态下可承受的最大反向直流电压,此时器件处于截止状态,漏电流极小。选型时需确保该参数高于系统正常工作电压(如12V系统适配此型号),避免器件误导通。
是器件反向开始导通的电压阈值,比Vrwm高约2.4V(典型TVS击穿电压与截止电压的偏差范围),当系统电压超过此值时,器件快速击穿,将过压能量泄放。
指器件在承受峰值脉冲电流时,两端的最大电压(即后端电路可被保护的最高电压)。该参数需远低于后端敏感元件(如IC、电容)的最大承受电压,1.5KE16CA的23.5V钳位电压可有效保护多数12V系统的后端器件。
“10/1000μs”是脉冲波形标准(上升时间10μs,半峰值时间1000μs,模拟雷电或开关浪涌波形),67A是器件在此波形下可承受的最大单次脉冲电流,反映其浪涌耐受能力。
是上述脉冲波形下的最大功率值,1.5kW的功率容量可覆盖多数中功率电路的浪涌防护需求(如工业电源、汽车电子总线)。
指Vrwm电压下的反向漏电流,仅1μA说明器件截止状态漏电极小,不会影响系统正常工作电流。
1.5KE16CA采用DO-201AD轴向封装,具备以下优势:
1.5KE16CA因双向防护、高功率耐受等特性,广泛应用于以下领域:
选型匹配:
安装要点:
可靠性维护:
1.5KE16CA凭借双向防护、高功率耐受、宽温可靠等特性,成为工业、汽车、通信等领域中12V系统过压防护的主流选型之一,可有效提升电路的抗干扰能力与可靠性。
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