WMSIC Electronic Components

Jingdao Microelectronics BZT52C5V6SW

ModelBZT52C5V6SW
PackageSOD-323W
BrandElectronic
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
Electronic BZT52C5V6SW
Type
Jingdao Microelectronics
Minimum package
3000

Technical parameters

Electronic Component
Electronic
Electronic Component
BZT52C5V6SW
Electronic Component
1
Package
SOD-323W
Electronic Component
Zener Diode
Electronic Component
0.027g
Electronic Component
50
(Zzk)
400Ω
(Zzt)
40Ω
Electronic Component
BM0259546530
Diode
1
Current(Ir)
1uA@2V
Power Dissipation(Pd)
200mW
Electronic Component
5.2V~6V
Electronic Component
55℃~+150℃
Electronic Component
3000

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

BZT52C5V6SW 产品概述

一、主要参数

  • 名称:BZT52C5V6SW(晶导微电子)
  • 稳压值(标称):5.6V
  • 稳压值范围:5.2V ~ 6.0V
  • 反向电流 Ir:1 μA @ 2V
  • 耗散功率 Pd:200 mW(封装散热有限)
  • 阻抗:Zzt = 40 Ω,Zzk = 400 Ω(分别表示在规定测试条件下的稳态阻抗与低电流区域阻抗特性)
  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 封装:SOD-323W,适合贴片组装

二、产品特点

  • 小型表面贴装:SOD-323W封装体积小、重量轻,适合高密度 PCB 布局和消费类电子小型化设计。
  • 低工作电流下漏电小:在 2V 条件下 Ir 为 1 μA,利于低功耗待机电路的应用。
  • 宽电压公差:5.2V~6.0V 的范围可兼顾一般稳压与保护用途,对制造公差与温漂有一定容忍度。
  • 可靠性与耐温性好:工作结温覆盖 -55 ℃ ~ +150 ℃,适用于较宽的环境温度范围。

三、典型应用场景

  • 小功率基准源与局部电压稳压(如为模拟电路、MCU 外围提供局部参考或偏置)
  • 电源保护与过压钳位(限制突发过压,保护后级电路)
  • 信号线电平参考、AD/DA 参考源(需注意精度受电流与温度影响)
  • 便携设备、仪表、传感器模块中的低功耗稳压场合

四、设计与使用建议

  • 最大连续电流估算:Iz(max) ≈ Pd / Vz = 200 mW / 5.6 V ≈ 35.7 mA(理论上限,不推荐长期靠近此值)。
  • 建议工作电流:为兼顾稳压性能与可靠性,典型稳压工作电流建议控制在 1 mA ~ 10 mA 范围;低于 1 mA 时稳压精度与噪声可能变差,高于 10 mA 则需关注温升与寿命。
  • 串联限流电阻计算公式:R = (Vin - Vz) / Iz。例:Vin = 12 V,目标 Iz = 5 mA,则 R ≈ (12-5.6)/5mA ≈ 1.28 kΩ(取标准值 1.3 kΩ)。
  • 热管理:SOD-323W 自身散热受限,PCB 铜铺与热沉设计可显著改善热性能;在高环境温度或较大电流工作下需考虑功率降额。
  • PCB 布局:确保焊盘与散热铜箔良好连接,保持稳压二极管周围短且粗的走线以降低寄生电阻。

五、可靠性与注意事项

  • 避免长期在接近 Pd 条件下工作,建议在设计中留有安全裕度(例如 ≤ 50%~70% Pd)。
  • 焊接与回流:遵循封装的回流温度规范(参考厂家推荐的焊接条件),避免超温或长时间高温暴露。
  • ESD 与过压保护:尽管具有一定钳位功能,但不能作为替代专用浪涌保护器件,应配合适当的限流及抑制元件使用。
  • 贮存与搬运注意防潮、防静电,确保封装和引脚清洁以便可靠焊接。

六、选型提示

  • 若需求更高精度或更大功率的稳压,请考虑更高 Pd 或专用基准源器件;若需更小漏电与更稳定低电流区域的特性,可在同系列中比对不同型号的稳压电压与阻抗参数。
  • 在批量采购前建议向晶导微电子索取最新规格书与样品进行电气与热仿真验证,确认在目标应用工况下的稳压精度与长期可靠性。

总结:BZT52C5V6SW 为一款面向低功耗、小空间应用的 5.6V 小功率稳压二极管,适用于局部稳压与过压钳位场合。合理控制工作电流与做好 PCB 散热设计,可在消费电子、仪表与便携设备中获得稳定可靠的性能。

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