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P6KE24CA是一款双向瞬态抑制二极管(TVS),由东沃(DOWO)公司推出,采用DO-204AC(DO-15)轴向引线封装,专为24V级电路的瞬态过压保护设计,可有效抑制雷击、静电放电(ESD)、开关浪涌等瞬态干扰,保护敏感电子元器件免受损坏。
P6KE24CA属于轴向引线型TVS器件,双向极性设计使其无需区分正负极即可安装,简化了电路设计与生产流程。作为瞬态保护器件,其核心作用是当电路出现瞬态过压时,快速由高阻态转为低阻态,将过压钳位至安全范围,泄放瞬态电流,从而保护后端电路(如IC、传感器、电源模块等)。
P6KE24CA的电气参数针对24V系统优化,关键参数如下:
该参数是器件正常工作时允许的最大反向电压,适配24V系统的常规工作电压范围(多数24V系统的正常工作电压波动在18~24V之间),确保器件在系统正常运行时处于截止状态,不影响电路功能。
击穿电压是器件开始导通的电压阈值,当瞬态过压超过22.8V时,器件快速导通(响应时间纳秒级),可瞬间抑制过压上升,避免后端电路被过压击穿。
钳位电压是峰值脉冲电流下器件两端的最大电压,是保护后端电路的核心指标。例如,若后端IC的最大耐压为30V,33.2V的钳位电压可将过压峰值限制在IC可承受的安全范围内(考虑少量余量),避免IC损坏。
反向截止时的漏电流仅1μA,说明器件截止特性优异,正常工作时几乎不消耗电流,对系统功耗影响极小。
P6KE24CA采用DO-204AC(DO-15)轴向引线封装,具有以下特点:
P6KE24CA的参数适配性使其可广泛应用于以下场景:
东沃(DOWO)作为专业的保护器件厂商,P6KE24CA经过严格的可靠性测试(如温度循环、湿度测试、脉冲寿命测试等),参数一致性好,可满足批量生产的稳定性要求,是替代进口同类器件的高性价比选择。
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