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Brightking(台湾君耀)P6KE33A/B 属于轴向引线式单向/双向瞬态抑制二极管,是针对低中压电路设计的过压防护核心器件。其采用行业通用的DO-15 插件封装,适配常规 PCB 布局,广泛应用于电源端口、通信接口、工业控制等场景的瞬态冲击防护,核心功能是快速钳位过压,保护后端敏感元件(如 MCU、传感器、通信芯片)免受雷击、ESD、负载突变等产生的尖峰电压损坏。
P6KE33A/B 以精准的参数设计实现可靠防护,核心参数如下(以单向版本 P6KE33A 为例):
参数 典型值 说明 反向截止电压(Vrwm) 28.2V 正常工作状态下可承受的最大反向电压,避免TVS误触发 击穿电压(Vbr) 31.4V TVS开始导通的电压阈值,比Vrwm高11%,确保正常电压下不工作 钳位电压(Vc) 45.7V 8/20μs标准脉冲下的最大钳位电压,保护后端元件(如MCU耐压通常<5V) 峰值脉冲电流(Ipp) 13.3A 单次脉冲可承受的最大电流,满足中等强度瞬态冲击(如雷击感应过压) 峰值脉冲功率(Ppp) 600W 单次脉冲功率容量,适配常规电源/接口的防护需求 反向漏电流(Ir) 1μA 远低于常规TVS(通常10μA以上),不影响低功耗电路的正常工作P6KE33A/B 采用DO-15 轴向插件封装,具备以下特点:
结合参数特性,P6KE33A/B 主要应用于以下场景:
对比市场同功率(600W)、同电压(33V系列)TVS:
综上,Brightking P6KE33A/B 是一款性价比高、可靠性强的瞬态抑制二极管,可满足大部分低中压电路的过压防护需求,尤其适合对漏电流、耐温性有要求的工业与消费电子场景。
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