WMSIC Electronic Components

PANJIT 1N5223B_AY_10001

Model1N5223B_AY_10001
PackageDO-35
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT 1N5223B_AY_10001
Type
PANJIT
Minimum package
5000 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
1N5223B_AY_10001
Electronic Component
1
Package
DO-35
Electronic Component
Zener Diode
Electronic Component
0.13g
Electronic Component
1
(Zzk)
1.3kΩ
(Zzt)
30Ω
Electronic Component
BM0264887162
Diode
1
Current(Ir)
75uA@1V
Power Dissipation(Pd)
500mW
Electronic Component
2.57V~2.84V
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.

1N5223B_AY_10001 产品概述

一、产品简介

1N5223B_AY_10001 是强茂(PANJIT)生产的一款小功率稳压(齐纳)二极管,采用平面芯片结构并封装在 DO-35 轴向封装中。该器件标称稳压值为 2.7V,设计用于作为低电压参考源、过压保护或小电流基准电路。产品符合欧盟 RoHS 2.0 无铅要求,且封装与工艺非常适合自动化组装流程。

二、主要电气参数

  • 标称稳压值(Vz):2.7V
  • 稳压值范围:2.57V ~ 2.84V(器件筛选容差范围)
  • 反向电流(Ir):75 µA @ VR = 1V(低电压条件下的反向泄漏特性)
  • 耗散功率(Pd):500 mW(环境温度和散热条件下的最大耗散)
  • 稳压阻抗(Zzt):30 Ω(在测试电流下的交流小信号阻抗)
  • 膝部阻抗(Zzk):1.3 kΩ(接近稳压起始区的阻抗,反映了转折特性)
  • 二极管数量:1 个独立稳压二极管
  • 封装:DO-35(轴向引线,适用于通孔或自动化轴装流程)
  • 典型特性:平面芯片结构,500 mW 功率耗散,RoHS 2.0 无铅认证

三、器件特性解析

  • 稳压精度与阻抗:Zzt = 30 Ω 表明在规定测试电流下,器件具有较低的小信号交流阻抗,有利于输出电压在负载或微小电流变化时保持稳定;而较高的 Zzk(1.3 kΩ)反映了在接近稳压起始点时的陡峭膝部特性,实际电路设计中应注意选择合适的工作电流以进入稳压区。
  • 漏电与低压性能:Ir = 75 µA @ 1V 表明在低偏压条件下存在有限的反向泄漏,适用于多数低功耗信号和参考应用,但在超低泄漏需求的场合(如某些高精度采样前端)需谨慎评估。
  • 功率与热管理:Pd = 500 mW 属于中低功率等级,散热受限于封装与 PCB 散热条件。连续工作时须考虑环境温度、引线和 PCB 铜箔散热来避免器件超过额定耗散。

四、典型应用场景

  • 小电流基准电压源与偏置电路:为低功率模拟电路、传感器前端或参考电路提供稳定 2.7V 基准。
  • 过压/浪涌钳位保护:在信号线或逻辑输入端做瞬态钳位,防止高压冲击损坏后续电路。
  • 电源监测与比较器参考:配合电阻和比较器实现欠压/过压检测。
  • 便携设备与电池系统:在功耗与体积受限的电路中作为简易稳压元件。

五、使用建议与典型电路

  • 工作点选择:建议选择使稳压二极管工作于其稳压区(超过 knee 电流 Izk 并接近测试电流 IzT)以取得较好稳压性能。
  • 限流元件计算:在串联电阻 Rs 与稳压二极管构成的分流式稳压中,Rs ≈ (Vin - Vz) / Iz。保证 Vz * Iz <= Pd,并留有适当的安全裕量(例如 50%)。
  • 散热措施:在连续高电流或环境温度较高的应用中,增大 PCB 的散热铜箔或使用散热垫可以有效降低结温,延长器件寿命。
  • 安装与加工:DO-35 轴向封装适合通孔焊接和机械化轴装工艺。在回流或波峰焊操作中应遵循厂商的工艺温度限制以避免封装或内部结构受损。

示例计算(参考):若输入电压 Vin = 5V,期望稳流 Iz = 5 mA,则 Rs = (5V - 2.7V) / 5 mA ≈ 460 Ω,稳压管耗散 Pz = 2.7V * 5 mA = 13.5 mW,远低于 Pd,适合长期工作。

六、存储与可靠性建议

  • ESD 与静电:稳压二极管对静电具有一定敏感性,建议在搬运和贴装过程中采取静电防护措施(接地腕带、抗静电作业台)。
  • 存储条件:避免潮湿、高温环境,长时间存放应保持密封包装并置于干燥、防腐蚀环境。
  • 焊接注意:推荐采用厂家提供的焊接曲线与温度限制。如需采用自动化装配,DO-35 结构对轴向插装与切脚工艺友好。

总结:1N5223B_AY_10001 是一款面向低电压参考与保护场景的经济型齐纳二极管,凭借 2.7V 的标称稳压、较低的小信号阻抗与合适的 500 mW 功率耗散,适合广泛的信号与低功率电源应用。选型时应关注工作电流的设定与热管理,以确保长期稳定可靠运行。

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