WMSIC Electronic Components

Brightking P6KE27A/B P6KE27A

ModelP6KE27A/B
PackageDO-204AC(DO-15)
BrandBrightking
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
Brightking P6KE27A / B
Type
BRIGHTKING
Minimum package
2000 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
P6KE27A/B
Electronic Component
1
Package
DO-204AC(DO-15)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.469g
Electronic Component
1
Electronic Component
BM0264590402
Operating Temperature
55℃~+175℃
Voltage
37.5V
Current(Ir)
1uA
Voltage(VBR)
25.7V
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.

Brightking P6KE27A/B 瞬态抑制二极管(TVS)产品概述

一、产品定位与核心价值

Brightking(台湾君耀)P6KE27A/B是一款轴向引线式瞬态抑制二极管(TVS),采用DO-15(DO-204AC)封装,专为电子系统的过压浪涌保护设计。作为君耀经典的P6KE系列产品,其核心价值在于通过精准的钳位特性和强脉冲耐受能力,快速抑制瞬态过压,保护敏感电子器件免受雷击、静电放电(ESD)、开关浪涌等干扰的损坏,广泛适配工业、汽车、通信等多领域应用。

二、关键电气参数深度解析

1. 极性与钳位保护特性

P6KE27A为单向TVS(B型为双向),核心保护参数的设计逻辑清晰:

  • 反向截止电压(Vrwm):23.1V:表示器件在正常工作状态下,反向可承受的最大连续电压,需匹配系统正常工作电压(如24V直流系统),避免静态导通;
  • 击穿电压(Vbr):25.7V:为器件雪崩击穿的触发电压,当反向电压超过此值时,TVS迅速从高阻态转为低阻态,将电压钳位至安全范围;
  • 钳位电压(Vc):37.5V:在8/20μs标准浪涌脉冲(峰值电流16.3A)下,器件两端的最大电压,需确保该值低于后级敏感器件(如MCU、传感器)的最大耐受电压(通常≤40V),避免器件损坏。

2. 脉冲耐受能力

  • 峰值脉冲电流(Ipp):16.3A:在8/20μs浪涌脉冲下,器件可承受的最大峰值电流,覆盖了典型工业/汽车场景的浪涌强度;
  • 峰值脉冲功率(Ppp):600W:对应脉冲电流下的功率容量,可有效抑制1.2/50μs雷击浪涌、负载切换浪涌等突发干扰。

3. 漏电流与温度适应性

  • 反向漏电流(Ir):1μA(典型值):在Vrwm(23.1V)下的反向漏电流,低漏电流特性适合低功耗系统(如电池供电设备),避免静态功耗过大;
  • 工作温度范围:-55℃~+175℃:覆盖汽车级(AEC-Q101)及工业级的极端环境,可稳定工作于高温车载、户外工业场景(如沙漠光伏设备)。

三、封装设计与可靠性

P6KE27A/B采用DO-15轴向封装(DO-204AC标准),具有以下可靠性优势:

  1. 安装兼容性:轴向引线设计适合手工焊接或自动插件设备,引脚间距(约2.54mm)符合行业标准,适配各类PCB布局;
  2. 热稳定性:封装采用耐高温环氧树脂材料,配合优化的引线结构,可有效散发热量,保证宽温范围内的性能一致性(如+175℃下仍能维持稳定的钳位电压);
  3. 认证合规:产品符合UL、VDE等国际安全认证标准,满足RoHS环保要求,可直接用于出口产品或高可靠性系统(如医疗设备)。

四、典型应用场景

P6KE27A/B的参数特性使其适配多类场景:

  1. 汽车电子:车载ECU(电子控制单元)接口、温度/压力传感器、车灯控制系统的过压保护,应对点火浪涌(约30V)、负载切换干扰;
  2. 工业控制:PLC输入输出端口、电机驱动电路、工业摄像头的浪涌抑制,适应车间高温(+85℃)、电磁干扰环境;
  3. 通信设备:基站收发器、路由器、交换机的电源端口及以太网信号线路保护,抵御雷击浪涌(1.2/50μs)及静电放电(接触放电±8kV);
  4. 户外电子:太阳能逆变器、户外监控设备的电源模块保护,耐受-40℃低温及户外浪涌冲击。

五、选型与使用注意事项

  1. A/B型选型区分:
    • A型(单向):仅反向击穿保护,适合直流系统(如24V直流电源);
    • B型(双向):双向均可击穿保护,适合交流系统(如12V/24V交流电路)或双向浪涌场景(如CAN总线信号线路);
  2. 参数匹配原则:
    • Vrwm需≥系统正常工作电压(如24V系统选Vrwm≥23.1V的P6KE27);
    • 钳位电压Vc需≤后级器件的最大耐受电压(如MCU最大耐压40V,37.5V满足要求);
  3. 焊接与散热:
    • 焊接温度建议≤260℃(焊接时间≤5s),避免封装过热导致性能下降;
    • 若脉冲功率较大(如频繁浪涌),可适当增加PCB焊盘面积(≥5mm²)以提升散热能力;
  4. 故障检测:若发现反向漏电流显著增大(如>10μA)或击穿电压异常(偏离25.7V±10%),需及时更换器件,避免保护失效。

综上,Brightking P6KE27A/B凭借宽温适应性、强脉冲耐受能力及成熟的封装设计,成为工业、汽车等领域过压保护的高性价比选择。

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