WMSIC Electronic Components

DOWO P6KE8.2A

ModelP6KE8.2A
PackageDO-204AC(DO-15)
BrandDOWO
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
DOWO P6KE8.2A
Type
DOWO
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
P6KE8.2A
Electronic Component
1
Package
DO-204AC(DO-15)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.41g
Electronic Component
1
Electronic Component
BM0264356072
Operating Temperature
55℃~+150℃
Voltage
12.1V
Current(Ir)
200uA
Voltage(VBR)
7.79V
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

P6KE8.2A 产品概述

一、产品简介

P6KE8.2A 是一款由 DOWO(东沃)提供的高能量瞬态电压抑制器(TVS),采用玻璃钝化芯片工艺,设计用于在瞬态过压或浪涌事件中对敏感电子器件提供快速且可靠的钳位保护。该器件为单向型(单极性)TVS,峰值脉冲功率能力为 600W(波形 10/1000μs,重复率(占空比) 0.01%),适用于汽车电子、电源模块、通信设备及工业控制等需要抗浪涌能力的应用场合。

二、主要电气参数

  • 极性:单向
  • 反向截止电压 Vrwm:7V(最大工作反向电压)
  • 击穿电压 VBR:7.79V(标称或典型击穿电压)
  • 钳位电压 Vc(在 600W 及所对应电流下):12.1V
  • 峰值脉冲电流 Ipp:49.59A(根据 Ppp/Vc 计算)
  • 峰值脉冲功率 Ppp:600W(10/1000μs 波形,0.01% 占空比)
  • 反向漏电流 Ir:200μA(在 Vrwm 条件下)
  • 工作温度范围:-55℃ ~ +150℃
  • 类型:TVS,玻璃钝化芯片
  • 封装:DO-204AC (DO-15)
  • 标准与认证:符合 RoHS 要求

三、核心特性

  • 高能量吸收:600W 峰值脉冲能量(10/1000μs)可应对工业级和汽车级的电源浪涌与雷击脉冲。
  • 优异的钳位能力:在规定脉冲下钳位电压 12.1V,能有效限制被保护电路的电压峰值,降低下游器件的应力。
  • 低泄漏电流:反向漏电流典型 200μA,有利于在待机或低功耗场景下减少损耗。
  • 响应速度快:TVS 器件在瞬态发生时几乎即时导通,提供快速过压抑制。
  • 玻璃钝化芯片工艺:提高器件长期稳定性和抗湿热性能,适合苛刻环境。
  • 单向与双向型号可选:满足不同极性保护需求(此型号为单向 P6KE8.2A)。
  • 合规性:符合 RoHS,便于在环保要求的产品中使用。

四、典型应用场景

  • 汽车电源线和车载电子(ECU、传感器)浪涌保护
  • 开关电源输入端及输出侧的瞬态抑制
  • 通信设备(基站、电源线)防雷击和浪涌保护
  • 工业控制系统、PLC、电机驱动器的电磁干扰/浪涌防护
  • 电池管理系统(BMS)及充电接口的过压抑制

五、封装与安装注意事项

  • 封装为 DO-204AC(常见为 DO-15 玻璃管型),便于通孔安装与波峰/手工焊接。
  • 在焊接时注意控制热循环,避免超时高温导致器件性能退化;遵循厂商推荐的焊接曲线。
  • PCB 布局建议将 TVS 尽量靠近需保护引脚或接口,以缩短回路电感,提升钳位效率。
  • 对于高能量冲击,应保证器件与地(或电源参考)之间有低阻抗连接,以利热量和脉冲电流的快速传导。
  • 在需要更高吸能能力时,可采用并联多个同型号器件或选择更高 Ppp 规格的器件,但并联时需注意器件的均流与热分布。

六、选型与可靠性建议

  • 若系统工作电压接近或略高于 Vrwm(7V),应重新评估 Vrwm 与实际工作电压之间的安全裕度,避免器件在正常工作状态长期处于接近击穿点。
  • 对于经常遭受高能冲击的应用(例如直击雷或频繁浪涌),建议在设计中加入熔断器、限流电阻或串联元件配合使用,以保护 TVS 本体并延长寿命。
  • 留意环境温度对漏电流和钳位行为的影响;在高温环境下应采取热管理措施或适当降额使用。
  • 评估 PCB 散热能力与器件散热路径,必要时在器件引脚或底部提供散热铜箔或散热层。

七、结论与订购信息

P6KE8.2A(DOWO)是一款面向中高能量浪涌保护的单向 TVS,凭借 600W 的峰值吸收能力、低漏电和玻璃钝化工艺,适用于汽车、工业与通信等需要高可靠瞬态保护的场景。封装为 DO-204AC(DO-15),便于通孔安装与高电流承载。选型时请结合系统工作电压、冲击能量及环境条件进行热与电的综合评估。如需样片或批量采购,请向 DOWO 或其授权分销商索取具体的物料编号、器件曲线和焊接建议书,以确保设计与制造过程中的兼容性与可靠性。

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