WMSIC Electronic Components

DOWO P6KE10A

ModelP6KE10A
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 P6KE10A
Type
DOWO
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
P6KE10A
Electronic Component
1
Package
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
BM0265602912
Voltage
14.5V
Current(Ir)
10uA
Voltage(VBR)
9.5V
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.

P6KE10A瞬态抑制二极管(TVS)产品概述

P6KE10A是东沃(DOWO)推出的单向瞬态抑制二极管(TVS),属于P6KE系列轴向封装产品,采用DO-15(DO-204AC)标准封装,专为电子电路的瞬态浪涌过压保护设计,可快速响应并钳位浪涌电压,保护敏感元器件免受静电、雷击、开关浪涌等瞬态脉冲的损害。

一、产品核心定位与应用场景

P6KE10A针对低至中功率的电子设备过压保护需求设计,适用于对浪涌抑制响应速度和钳位精度有要求的场景,典型应用包括:

  • 消费电子:手机、平板、笔记本电脑的充电端口、USB接口浪涌保护;
  • 通信设备:路由器、交换机、光模块的电源输入、以太网接口过压防护;
  • 工业控制:PLC模块I/O端口、传感器信号线路的瞬态保护;
  • 小型电源系统:8V以下低压直流电源的浪涌抑制(如车载辅助电路、LED驱动电源)。

二、关键电气参数解读

P6KE10A的电气参数直接决定其保护性能,核心参数及意义如下:

  1. 反向截止电压(Vrwm):8.6V
    正常工作状态下,TVS反向偏置时允许施加的最大连续电压,此时TVS处于截止状态,漏电流极小,不影响电路正常工作。电路设计需确保工作电压≤Vrwm,避免TVS长期导通。
  2. 击穿电压(Vbr):9.5V
    反向偏置下TVS开始击穿导通的电压范围(典型值),击穿后TVS进入低阻状态,快速吸收浪涌能量。Vbr略高于Vrwm,保证正常工作与保护的切换阈值明确。
  3. 钳位电压(Vc):14.5V(@Ipp)
    浪涌脉冲作用下,TVS导通后能将被保护电路的电压钳位至的最大值(对应峰值脉冲电流Ipp)。该参数直接决定保护效果,14.5V的钳位电压可有效抑制过压对后级敏感元件(如IC)的损害。
  4. 峰值脉冲电流(Ipp):41.38A
    10/1000μs(上升时间10μs、半峰时间1000μs)标准浪涌波形下,TVS能承受的最大脉冲电流峰值,反映其浪涌吸收能力。
  5. 峰值脉冲功率(Ppp):600W
    同样10/1000μs波形下,TVS可承受的最大脉冲功率,由Vc与Ipp的乘积计算(14.5V×41.38A≈600W),是选型时判断浪涌耐受能力的核心指标。
  6. 反向漏电流(Ir):10μA(@Vrwm)
    Vrwm电压下的反向漏电流,数值极小,可忽略对电路功耗的影响,保证正常工作时的低损耗特性。

三、封装与物理特性

P6KE10A采用DO-15(DO-204AC)轴向封装,是电子行业广泛应用的标准轴向引线封装,物理特性如下:

  • 封装尺寸:直径φ2.7mm,长度≈10mm(含引线),引线直径φ0.6mm;
  • 极性标识:通常以色环端为阴极(对应反向截止电压的负极),另一端为阳极,需严格按极性焊接;
  • 温度特性:存储温度范围-55℃~150℃,焊接温度(260℃/10s)符合回流焊/波峰焊工艺要求,可靠性高。

四、性能优势与选型要点

性能优势

  1. 快速响应:TVS响应时间为纳秒级(典型<1ns),可瞬间响应瞬态浪涌,避免后级元件损坏;
  2. 低损耗:10μA的反向漏电流可忽略,不影响电路正常功耗;
  3. 稳定钳位:14.5V的钳位电压精度较高,可有效隔离浪涌过压;
  4. 高可靠性:DO-15封装耐温性好,适合工业级和商业级环境应用。

选型要点

  1. 工作电压≤Vrwm(P6KE10A适用于8.6V以下连续工作电压的电路);
  2. 浪涌功率需求≤600W(10/1000μs波形);
  3. 钳位电压需低于后级元件的最大耐受电压(如IC的最大工作电压需>14.5V)。

五、典型应用电路参考

以8V直流电源输入端口的浪涌保护为例:

+8V → [保险丝F1(0.5A)] → [TVS P6KE10A(阴极接+8V,阳极接地)] → 后级IC(最大工作电压10V)
  • 正常工作时:TVS反向偏置,漏电流极小,不影响电路;
  • 浪涌发生时:若电压超过9.5V,TVS击穿导通,将电压钳位至14.5V以下,保护后级IC;
  • 异常导通时:保险丝F1熔断,防止TVS长期过流损坏。

六、使用注意事项

  1. 极性不可接反:单向TVS接反会导致反向导通,直接短路电路,需确认色环端(阴极)与被保护电路的电压极性匹配;
  2. 靠近保护点安装:TVS应尽可能靠近被保护元件(如IC、接口),减少引线电感对响应速度的影响;
  3. 避免并联大容量电容:大容量电容会延缓浪涌电压的上升速度,降低TVS的响应效率;
  4. 焊接工艺控制:焊接温度不超过260℃,时间不超过10s,避免热应力损坏器件;
  5. 浪涌功率匹配:实际应用中需确保浪涌功率不超过600W(10/1000μs),若浪涌能量更大,需并联多个或选择更高功率的TVS。

P6KE10A凭借稳定的保护性能、标准封装和广泛适用性,成为低功率电子电路过压保护的常用选择,可有效提升设备的抗浪涌能力和可靠性。

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