WMSIC Electronic Components

DIOTEC ZY62

ModelZY62
PackageDO-41(DO-204AC)
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
DIOTEC ZY62
Type
DIOTEC
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DIOTEC
Electronic Component
ZY62
Electronic Component
1
Package
DO-41(DO-204AC)
Electronic Component
Zener Diode
Electronic Component
0.34g
Electronic Component
1
(Zzt)
80Ω
Electronic Component
BM0228548963
Diode
1
Current(Ir)
1uA@28V
Power Dissipation(Pd)
2W
Electronic Component
58V~66V
Electronic Component
50℃~+150℃
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.

ZY62 型稳压二极管 产品概述

一、产品简介

ZY62 是 DIOTEC(德欧泰克)出品的独立式(离散)稳压二极管,属于高压低功率的稳压/箝位元件。器件采用 DO-41(DO-204AC)直插封装,额定耗散功率为 2W,稳压值范围 58V~66V,适用于需要中高电压稳压或过压保护的工业与消费类电路。

二、主要特性

  • 稳压范围:58V ~ 66V(常见名义值可取 62V)
  • 最大耗散功率 Pd:2W(器件表面散热条件下)
  • 反向电流 Ir:1 μA @ 28V(在 28V 反向偏置下的泄漏电流典型值)
  • 动态阻抗 Zzt:80 Ω(表征在测试电流下的小信号阻抗,反应稳压精度)
  • 工作结温范围:-50 ℃ ~ +150 ℃
  • 封装:DO-41(DO-204AC),方便穿孔安装与维修更换

三、电气参数与限制(要点)

  • 连续允许电流(近似):Iz_max ≈ Pd / Vz。以名义 62V 计算,Iz_max ≈ 2W / 62V ≈ 32 mA。为保证可靠性,建议连续工作电流取其 60%~80%(例如 ≤20~25 mA)。
  • 动态阻抗较大(80 Ω),因此 ZY62 不适合作为高精度基准源,适用于粗稳压、限压、浪涌吸收等场合。
  • 反向泄漏电流在低电压下很小(1 μA @ 28V),但在接近稳压电压时会迅速增大,设计时应考虑稳态功耗与温升。

四、典型应用

  • 中高压稳压源(低功率模块、偏置电源)
  • 过压/浪涌保护(例如输入端浪涌钳位)
  • 验证与测量中用作参考限压(非精密参考)
  • 通信与工业电子中的电压箝位与保护
  • 电源模块、驱动电路的简单稳压及退化保护

五、使用与热管理建议

  • 由于 Pd 为 2W,需关注结温与散热路径:保持良好空气对流,避免器件周围高温元件。
  • 在持续高功率工况下,应采用合适的电路限流并尽量减小器件上耗散功率(通过选择串联电阻、分担功率或外加散热构件)。
  • 长时间工作时建议在设计中采用温度与功率的降额措施,保证 Tj 不超过 150 ℃ 的安全区。

六、封装与机械信息

  • 封装:DO-41(直插玻璃/环氧封装),适合穿板安装和手工焊接。
  • DO-41 便于更换与维护,但穿板空间与绝缘要求需设计合理;高压应用时注意引线间距与爬电距离。

七、设计注意事项与实例

  • 串联限流电阻的选择(示例):若输入 Vin = 120V,目标稳压约 62V,且允许 Iz ≈ 32 mA(理论最大),则 R = (Vin - Vz) / Iz ≈ (120 - 62) / 0.032 ≈ 1.8 kΩ。串联电阻上的功耗约 P_R = (Vin - Vz) * Iz ≈ 58V * 0.032A ≈ 1.86W,须选用更高功率等级电阻并考虑余量。
  • 由于 Zzt = 80 Ω,负载电流变化会引起较大电压偏差,若负载电流波动显著,应改用更低阻抗的稳压方案(如线性稳压 IC 或并联放大缓冲器)。
  • 注意静电与高压试验:在高压电路板上,器件周围布局应保证足够的间隙与耐压水平。

八、采购与替代

  • 品牌:DIOTEC(德欧泰克),产品型号 ZY62(请以具体数据表为准)。
  • 若需更低动态阻抗或更高精度,应选择更小 Zt 或采用参考电源;若需更高功率可考虑功率更大的 SOD/DO-41 的功率版本或 SMB/DO-214 封装的器件。

总结:ZY62 是一款适用于中高压、低至中功率稳压和保护的离散型稳压二极管,封装为 DO-41,适合穿孔安装。其 2W 的耗散能力和较大的动态阻抗决定了它更适合用于简单稳压、浪涌钳位和保护场合,而非精密电压参考。使用时需关注功耗、热管理与连续工作电流的限制。

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