WMSIC Electronic Components

DOWO 1.5KE68CA

Model1.5KE68CA
PackageDO-201AD
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 1.5KE68CA
Type
DOWO
Minimum package
1250 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
1.5KE68CA
Electronic Component
1
Package
DO-201AD
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.93g
Electronic Component
1
Electronic Component
BM0264548691
Voltage
92V
Current(Ir)
1uA
Voltage(VBR)
64.6V
Electronic Component
Electronic Component
Electronic Component
1250

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

1.5KE68CA 产品概述

一、产品简介

1.5KE68CA 是一款由 DOWO(东沃)推出的高能脉冲瞬态电压抑制器(TVS),采用玻璃钝化芯片和 DO-201AD 轴向封装。该器件为双向保护型,专为承受瞬态浪涌和雷击/开关瞬变设计,具有 1500W 的峰值脉冲功率能力(10/1000μs 波形,重复率占空比 0.01%),响应速度极快,钳位能力出色,泄漏电流极小,适用于要求高可靠性与高冲击能量吸收的电力与工业应用场景。

二、主要电气参数(典型/标称)

  • 极性:双向(Bidirectional)
  • 反向截止电压 Vrwm:58.1 V(标称稳压/耐压工作电压)
  • 击穿电压 VBR:64.6 V(标称)
  • 钳位电压(Ipp 下):92 V(峰值钳位能力)
  • 峰值脉冲电流 Ipp:16.3 A(10/1000 μs 波形)
  • 峰值脉冲功率 Ppp:1500 W(10/1000 μs,0.01% 占空比)
  • 反向漏电流 Ir:约 1 μA(在 Vrwm 条件下的低泄漏)
  • 类型:TVS
  • 封装:DO-201AD(轴向、便于手工或波峰焊装配)
  • 合规:符合 RoHS 要求

(注:以上参数以生产厂商 Datasheet 为准,具体测试条件请参考原厂规格书。)

三、结构与特性亮点

  • 玻璃钝化芯片:提高长期稳定性和抗湿热能力,降低漏电和漂移,适合严苛环境下长期使用。
  • 大功率吸收能力:1500W 峰值功率与 10/1000μs 能量波形,能吸收电源回路与工业设备常见的高能冲击脉冲。
  • 极快响应:瞬态到达时能在纳秒级别起钳位作用,保护后端电路元件免受过压损坏。
  • 低漏电流:在正常工作电压下漏电流低(约 1 μA),有利于低功耗系统与精密测量电路。
  • 双向保护:可用于交流线路或可能正负极突变的直流系统,无需外加反向保护。

四、典型应用场景

  • 电信与 48V 配电系统:适配 48V 通信/机房供电系统的过压保护,Vrwm 值适合较高直流工作电压的抑制需求。
  • 工业控制与驱动电源:用于 PLC、变频器、伺服驱动等设备的输入侧或关键电源轨防护。
  • 开关电源与逆变器:保护开关MOSFET / IGBT 驱动回路及敏感控制电路免受浪涌影响。
  • 电池和储能系统:对电池管理系统及 48V 级储能模块的瞬态过压提供钳制。
  • 交流与双向冲击场合:适用于需要双向抑制的线路(如一些交流辅助电源或差模过冲保护)。

五、选型与应用建议

  • 依据工作电压选用:Vrwm(58.1V)应高于系统常态最大工作电压且留有合适裕量;若系统为 48V 类或 60V 峰值环境,1.5KE68CA 是合适候选。
  • 钳位要求核查:钳位电压 92V 为在 Ipp 条件下的典型值,确认被保护器件能耐受此钳位电压或在该电压下仍能安全工作。
  • 能量与散热:虽然器件峰值功率高,但应注意能量累积与重复脉冲的热量管理。实际使用中应避免频繁高能脉冲,必要时配合限流元件或外部熔断器。
  • 布局与引线:DO-201AD 为轴向封装,尽量缩短引线与连接长度,降低寄生电感,以取得最佳瞬态响应和最低钳位电压。

六、封装及安装注意

  • 封装:DO-201AD 提供较强的机械强度与良好散热路径,适合手工焊接及某些波峰/选择性焊接工艺。
  • 安装建议:保持焊点清洁,避免过度机械应力;在 PCB 布局上预留适当的隔离及接地回路,保证瞬态电流回流路径短促。
  • 焊接与环境:为保证长期可靠性,请参照厂商 Datasheet 中的焊接温度曲线与存储/工作温度范围。

总体而言,1.5KE68CA 以其 1500W 的高冲击吸收能力、玻璃钝化的长期稳定性与低漏电特性,是需要高能脉冲抑制、双向保护且要求可靠性的工业与通信电源系统的理想选择。欲获得完整规格与典型曲线,请参阅 DOWO 官方 Datasheet。

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