WMSIC Electronic Components

DOWO P6KE15A

ModelP6KE15A
PackageDO-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 P6KE15A
Type
DOWO
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
P6KE15A
Electronic Component
1
Package
DO-15
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.394g
Electronic Component
1
Electronic Component
BM0231110373
Voltage
21.2V
Current(Ir)
1uA
Voltage(VBR)
14.25V
Electronic Component
Electronic Component
Electronic Component
2000

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

P6KE15A 产品概述

一、产品简介

P6KE15A 是一款单向(单极性)瞬态电压抑制二极管(TVS),由 DOWO(东沃)出品,封装为 DO-15(玻璃或环氧封装的功率二极管外形)。该器件专为吸收和钳位瞬态浪涌能量设计,可在雷击、电源开关突变或感性负载断开时保护敏感电子元件和电路板不受过电压损害。

二、主要参数

  • 类型:单向 TVS 二极管
  • 反向截止电压 Vrwm:12.8 V(建议工作电压参考值)
  • 击穿电压(典型):14.25 V(在指定测试电流下)
  • 钳位电压 Vc:21.2 V(在峰值脉冲电流下)
  • 峰值脉冲电流 Ipp:28.3 A
  • 峰值脉冲功率 Ppp:600 W(10/1000 μs 浪涌波形)
  • 反向漏电流 Ir:1 μA(常温下,接近静态泄漏)
  • 封装:DO-15(适合通孔安装)

三、关键特性

  • 高能量吸收能力:在 10/1000 μs 浪涌波形下可承受 600 W 峰值功率,适合一次性或短时大能量浪涌防护。
  • 低漏电流:Ir ≈ 1 μA,有利于不增加静态功耗,适用于对待机电流敏感的系统。
  • 钳位能力强:在峰值冲击电流下将电压钳制在 21.2 V,保护后级器件免受更高过压。
  • 单向设计:适合直流电源或有明确极性的保护场合(例如 12 V 汽车电源总线)。

四、典型应用场景

  • 汽车 12 V 电源线瞬态抑制(ECU、车载模块、电机驱动等)。
  • 工业电源与控制系统的浪涌保护(电源输入、继电器驱动侧)。
  • 电源适配器与通信设备的输入防护。
  • 需要通孔焊接和耐冲击能力的老化或维修场合。

五、选型与使用建议

  • 工作电压匹配:Vrwm 12.8 V 表明适合标称 12 V 系统;工作电压应低于 Vrwm,且比系统最大稳态电压留有裕量。
  • 钳位考量:保证被保护器件在 21.2 V 钳位下仍能承受短时电压,若被保护器件耐压较低,应选用钳位更低的型号或并联系列元件降低钳位。
  • 能量分配:P6KE15A 在 10/1000 μs 波形下能量吸收能力高,但长脉冲或反复大能量冲击需考虑器件热击穿与寿命退化,应配合阻抗元件或多级保护方案。
  • 并联与散热:若需要更高冲击电流承受能力,可并联使用,但注意均流与封装散热限制;合理布板、加大散热面有助于提升可靠性。

六、封装与可靠性注意事项

DO-15 通孔封装适合波峰/回流焊后再插装或手工焊接。焊接温度和时间应遵守厂方工艺规范以避免封装应力和密封材料损伤。储存与工作环境应避免超出推荐温度和潮湿条件,以保持低漏电和稳定击穿特性。

七、典型连接示意

  • 单向 TVS 在直流保护中通常将阴极接被保护线(正极),阳极接地(负极)。在正常电压下呈高阻,遇到正向浪涌或反向过压瞬间迅速导通,将能量导入地线并钳位电压。

总结:P6KE15A 是面向 12 V 级别系统的高能量单向 TVS,具有低漏电、强钳位和良好浪涌吸收能力,适用于汽车与工业电源线等需要稳健瞬态保护的场合。选型时应综合工作电压、钳位要求和能量吸收需求,配合良好 PCB 布局与散热设计以获得最佳保护效果。

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