WMSIC Electronic Components

CJ BZX84C6V2

ModelBZX84C6V2
PackageSOT-23
BrandCJ
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CJ BZX84C6V2
Type
CJ
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJ
Electronic Component
BZX84C6V2
Electronic Component
1
Package
SOT-23
Electronic Component
Zener Diode
Electronic Component
0.033g
Electronic Component
1
(Zzk)
150Ω
(Zzt)
10Ω
Electronic Component
BM0227649261
Diode
1
Current(Ir)
3uA@4V
Power Dissipation(Pd)
300mW
Electronic Component
5.8V~6.6V
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.

BZX84C6V2 稳压二极管(CJ 江苏长电/长晶)产品概述

一、产品简介

BZX84C6V2 为江苏长电(CJ/长晶)生产的独立式稳压(齐纳)二极管,标称稳压值 6.2V,适用于低功耗、小体积的电压基准与过压保护场合。封装为 SOT-23,便于表贴装配和自动化生产,适合便携式、消费电子及工业控制的局部稳压与钳位设计。

二、主要参数

  • 稳压值(标称):6.2V
  • 稳压值范围:5.8V ~ 6.6V
  • 反向电流 Ir:3 μA @ 4V
  • 耗散功率 Pd:300 mW
  • 稳压阻抗 Zzt:10 Ω
  • 低电流阻抗 Zzk:150 Ω
  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 封装:SOT-23(独立式)

三、性能特点

  • 低功耗、小体积:SOT-23 封装与 300 mW 的额定耗散适合空间受限且功率需求低的应用。
  • 稳压精度合理:标称 6.2V,实际批次稳压范围 5.8–6.6V,适合对电压精度要求不苛刻的参考与保护用途。
  • 低漏电流:在 4V 条件下反向电流仅 3 μA,有利于待机与低功耗系统。
  • 动态阻抗特性:Zzt(10 Ω)指示在稳压工作点处动态阻抗较低,稳压能力较好;Zzk(150 Ω)反映低电流区的非线性特性,设计时需考虑起始导通行为。
  • 宽工作温度:-55 ℃ 到 +150 ℃,适应较苛刻的工作环境。

四、典型应用场景

  • 电源基准:为小功率模拟电路或数字子系统提供局部稳压参考。
  • 过压/钳位保护:保护敏感器件或输入端免受瞬态过压。
  • 电池管理与便携设备:用于电池供电系统的稳压与参考(需根据耗散与发热评估)。
  • 工业控制与仪器:在环境温度变化较大的场合仍能保持工作稳定性。

五、封装与机械特性

SOT-23 小型表贴封装,便于高速贴装与回流焊工艺。引脚排列与极性标识请参照厂商数据手册(确定脚位、焊盘尺寸、顶视图与极性标记),以确保正确安装与可靠焊接。

六、热管理与可靠性

额定耗散功率为 300 mW,但实际允许耗散受焊盘散热、PCB 铜厚与环境温度影响。长期或高温工作时应按结温限制降额使用,避免超过最高结温 150 ℃。建议在设计时计算最大稳压电流所产生的功耗(P = Vz × Iz 或根据电阻分压器计算)并留有安全裕量。

七、典型电路与使用要点

  • 简单稳压:在输入电压高于 6.2V 的情况下,可通过串联限流电阻与 BZX84C6V2 并联负载实现基准稳压。选择限流电阻时应保证在最大负载下稳压二极管不超额散热。
  • 钳位保护:将二极管并联在被保护节点与地之间,用于吸收瞬态过压,但不适合作为大能量浪涌吸收器。
  • 注意起始导通和动态阻抗对输出电压的影响,若需更精确参考请配合运放或更高精度基准器件使用。

八、选型与采购建议

在选型时关注实际稳压范围(5.8–6.6V)是否满足系统容差,评估系统最大稳压电流与 300 mW 耗散能力是否匹配。SOT-23 封装适合自动化贴装量产,购买时请向供应商索取完整规格书与批次一致性数据。

九、使用注意事项

  • 按照数据手册确定极性与焊接温度曲线,避免超温损坏。
  • 在高环境温度或有限散热条件下应采取降额使用。
  • 对于需要高精度、低噪声基准应用,建议评估是否需要更高等级的参考源替代。

如需具体电气特性曲线、封装图纸和焊盘推荐,请提供需求,我可为您进一步查找并整理完整的数据手册要点。

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