WMSIC Electronic Components

PANJIT 1N4753A_AY_100A1

Model1N4753A_AY_100A1
PackageDO-41
BrandPANJIT
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
PANJIT 1N4753A_AY_100A1
Type
PANJIT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
1N4753A_AY_100A1
Electronic Component
1
Package
DO-41
Electronic Component
Zener Diode
Electronic Component
0.32g
Electronic Component
1
(Zzk)
1kΩ
(Zzt)
50Ω
Electronic Component
BM0264544562
Diode
1
Power Dissipation(Pd)
1W
Electronic Component
34.2V~37.8V
Electronic Component
55℃~+150℃

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

1N4753A_AY_100A1 产品概述

1N4753A_AY_100A1 是强茂(PANJIT)生产的一款独立式稳压二极管,属 Zener 二极管家族,额定稳压值接近 36V,采用 DO‑41 轴向封装。该器件以小体积、低漏电和良好的温度范围著称,适用于中等功率的稳压、参考电压和浪涌吸收等场合。

一、主要参数一览

  • 型号:1N4753A_AY_100A1
  • 品牌:PANJIT(强茂)
  • 封装:DO‑41(轴向引线)
  • 稳压值(标称):36V
  • 稳压值(允差范围):34.2V ~ 37.8V
  • 耗散功率 Pd:1W(无强制散热,注意环境和焊接热阻)
  • 反向电流 Ir:100 nA @ 27.4V(低漏电流特性)
  • 阻抗 Zzt:50 Ω(Zener区域的动态阻抗特性)
  • 阻抗 Zzk:1 kΩ(在 knee 区域的阻抗,反映击穿曲线陡峭度)
  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 二极管配置:1 个独立式

二、性能特性与电气意义

  • 稳压性能:标称 36V 的稳压值适合需要中高压参考或小功率稳压的应用。稳压值范围说明该批次器件在制造和测试容差内的最大变化区间,便于电路设计时进行容差计算。
  • 低漏电流:在 27.4V 时反向漏电仅 100 nA,利于高阻抗电路或低静态电流场景(如仪表、电池供电设备)中减少误差和功耗。
  • 动态阻抗(Zzt):50 Ω 表示在 Zener 工作点附近的交流小信号阻抗,相对较低的 Zzt 有助于在输入电压或负载变化时维持更稳定的输出电压。
  • Knee 阻抗(Zzk):1 kΩ 反映了从冻结区到稳压区过渡的陡峭程度,较高的 Zzk 意味着在非常小的电流变化下,电压会有较大波动,设计中需注意选定合适的偏置电流以进入稳定工作区。
  • 热稳定性:结温工作范围宽(-55 ℃ 到 +150 ℃),可适应工业级环境,但 1W 的耗散功率在高温时需降额使用并保证良好散热。

三、典型应用场景

  • 作为参考电压源或简单的稳压模块,用于对微控制器、传感器或模拟前端提供 36V 左右的参考或保护电压。
  • 作为浪涌吸收/电压钳位元件,用于防止瞬态过压损坏敏感电路。
  • 在过压保护、波形限制(clamping)、低速信号保护或试验台设备中,作为成本效益高的稳压/钳位选项。
  • 适合电源管理、工业控制、电表、通信设备等需要中等电压稳压但功率要求不高的场合。

四、使用与注意事项

  • 功率限制:器件额定耗散为 1W,但该值通常在环境温度 25 ℃ 并有良好散热条件下成立。实际应用中,若环境温度上升或封装散热受限,应按热阻和温度系数进行降额。
  • 偏置电流选择:为确保进入稳压区并获得较低的动态阻抗,电路应设计合适的偏置电流(即通过 Zener 的电流),避免仅在 knee 区域工作导致电压波动。
  • 封装与焊接:DO‑41 为轴向引线封装,便于波峰焊或手工焊接,但应避免长时间高温焊接以防损伤封装或改变特性。引脚弯曲应在距封装一定距离处进行,防止机械应力传递到芯片。
  • 静电与可靠性:尽管该器件主要作为被动钳位元件,制造和装配时仍建议采取常规静电防护措施。长期可靠性受工作温度和过流/过压应力影响,设计中应避免长期超额电流。

五、封装与机械信息

DO‑41 轴向封装提供机械强度和易于手工装配的优势,适用于穿孔波峰焊以及某些插件式的电路板布局。实际安装时应留有足够的散热空间并避免紧贴高温元件。

六、选型建议

  • 若电路需要稳压精度较高或更低动态阻抗,应对比同类 Zener 中更低 Zzt 的型号或考虑使用专用稳压 IC。
  • 如需承受较大的浪涌能量或更高的持续功率,应选用更高 Pd 或带散热结构(如功率电阻并联、散热板)的元件。
  • 在批量采购时留意稳压值范围(34.2~37.8V)是否满足系统容差要求。

总结:1N4753A_AY_100A1 是一款适用于中等电压、小功率稳压与浪涌钳位的可靠 Zener 二极管,适合工业与消费类电子中的参考电压和保护用途。在设计中需关注功率降额、偏置电流设置及散热条件以确保长期稳定工作。

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