WMSIC Electronic Components

DIOTEC BY2000

ModelBY2000
PackageDO-201
BrandDIOTEC
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
DIOTEC BY2000
Type
DIOTEC
Minimum package
1700 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DIOTEC
Electronic Component
BY2000
Electronic Component
1
Package
DO-201
Electronic Component
General Purpose Diode
Electronic Component
0.85g
Electronic Component
1
Electronic Component
BM0227699734
Current
3A
Diode
1
Current(Ir)
5uA@2kV
(Vf)
1.1V@3A
Electronic Component
50℃~+150℃
Electronic Component
Electronic Component
Electronic Component
1700

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

BY2000 产品概述

BY2000 是 DIOTEC(德欧泰克)提供的一款通用高压整流二极管,面向需要高直流反向耐压与中等整流电流的电源与高压应用场景。器件采用 DO-201 封装,结构坚固、便于穿板安装与散热管理,适合工业级和商业级的高压整流、倍压电路及保护用途。

一、主要特性

  • 直流反向耐压:Vr = 2000 V(2 kV),适合高压整流与高压倍增电路。
  • 正向压降:Vf = 1.1 V @ If = 3 A,正向电阻较低,有利于降低导通损耗。
  • 整流电流(平均):Io = 3 A,适合中等功率整流场合。
  • 非重复峰值浪涌电流:Ifsm = 110 A(一次性/短脉冲冲击能力),在启动或故障脉冲时具备一定的承受能力。
  • 反向电流:Ir = 5 µA @ Vr = 2 kV,漏电流很小,有利于保持高压侧的稳定与低泄漏。
  • 工作结温范围:Tj = -50 ℃ ~ +150 ℃,宽温度范围适合多种环境条件。

二、电气参数与性能要点

  • 低漏电流:在额定反向电压下的漏电流仅为微安级,适合对泄漏敏感的高压电路。需注意漏电随温度上升呈指数增加,设计时应预留裕量。
  • 导通损耗:1.1 V 的正向压降在 3 A 工作点下能保持较低的导通功耗,但在高平均电流或多串并联场合仍需关注结温上升带来的效率影响。
  • 冲击能力:110 A 的单次峰值浪涌能力允许短时启动或突发电流,但非重复峰值意味着不可作为长期或重复冲击负载使用,应配合保护电路限制重复脉冲能量。

三、封装与机械特征

  • 封装类型:DO-201(轴向引线封装),适合穿孔安装(THT),机械强度高,便于手工维修与热沉连接。
  • 封装优势:体积较大利于散热,良好的引出线便于接地或引出至散热片/导线。建议在高平均功耗应用中提供额外的散热路径或缩短引线以减小温升。

四、典型应用场景

  • 高压直流电源与整流模块(例如 HV power supplies)。
  • 高压倍压电路(Cockcroft–Walton 倍压器)与电荷泵。
  • 工业设备的高压检测与偏压生成电路。
  • 医疗成像(非直接人体接触部位的高压供电)、分析仪器、高压探测与放大模块。
  • 抗干扰或保护用途:在某些抑制浪涌或整流保护电路中用作耐压元件(需注意其峰值冲击限制)。

五、使用建议与典型电路注意事项

  • 串联使用:当单只器件耐压不足时可考虑串联,但需保证各只二极管反向分压一致(加阻尼/均压电阻或阻容网络)。
  • 热管理:在接近最大整流电流或连续工作时,应设计合理的散热措施(短引线、散热片或良好通风),并按结温限制进行热降额。
  • 浪涌保护:若电路可能遭遇重复高幅值脉冲,应添加限流或吸能元件(NTC、限流电阻、压敏电阻或保险)以保护二极管免受重复 Ifsm 冲击。
  • 反向泄漏:应用在高阻抗或计量电路时,需评估温度条件下的漏电流对电路精度的影响。

六、可靠性与环境适配

  • 宽工作温度范围(-50 ℃ 至 +150 ℃)使该器件适合严苛环境和工业级温度循环。
  • 对于长期可靠性测试,应参考制造商的加速老化、温度循环与湿热试验报告,关键关注高温下漏电流与正向压降漂移。
  • 储存与装配时避免潮湿与机械冲击,穿板焊接时遵循合适的热压规范以防封装或内部连接受损。

七、订购信息与注意事项

  • 品牌:DIOTEC(德欧泰克);型号:BY2000;封装:DO-201。
  • 采购时确认器件批次、热阻与数据表完整性,必要时要求样品测试或获取完整的典型特性曲线(Vf-T、Ir-T、Ifsm 波形与测试条件)。
  • 在关键或安全相关应用中,建议与供应商确认品质保证与可追溯性记录。

总结:BY2000 是一款面向高压整流与倍压用途的通用二极管,具备 2 kV 反向耐压、3 A 连续整流能力和较低漏电流,适合多种工业与高压电子场合。合理的热设计与适当的浪涌保护能显著提升其长期性能与可靠性。

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