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CJ BZX584B7V5
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ BZX584B7V5
- Type
- CJ
- Minimum package
- 8000
Technical parameters
- Electronic Component
- CJ
- Electronic Component
- BZX584B7V5
- Electronic Component
- 1
- Package
- SOD-523
- Electronic Component
- Zener Diode
- Electronic Component
- 0.008g
- Electronic Component
- 1
- (Zzk)
- 80Ω
- (Zzt)
- 15Ω
- Electronic Component
- BM0259314296
- Diode
- 1
- Power Dissipation(Pd)
- 150mW
- Electronic Component
- 7.35V~7.65V
- Electronic Component
- 55℃~+150℃
- Electronic Component
- 8000
- Electronic Component
- 7.5V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BZX584B7V5 7.5V 稳压二极管（CJ，SOD-523）产品概述
一、产品简介
BZX584B7V5 是江苏长电（CJ）生产的一款低功耗稳压二极管，封装为 SOD-523 表面贴装型。该器件标称稳压值为 7.5V，适用于空间受限、成本敏感的电压稳压与保护场合，常用作参考电压源、过压钳位与小功率电源的稳压元件。
二、主要参数与电气特性
- 稳压值（标称）：7.5V
- 稳压值范围：7.35V ～ 7.65V
- 最大耗散功率 Pd：150 mW
- 动态阻抗（Zzt）：15 Ω（在规定测试电流下）
- 低电流阻抗（Zzk）：80 Ω（低电流区）
- 工作结温范围：-55 ℃ ～ +150 ℃
- 封装：SOD-523（小型贴片）
三、产品特点
- 小型 SOD-523 封装，便于高密度 PCB 布局与自动贴片加工。
- 稳压精度较高，7.35V–7.65V 的分布适合对中低精度参考电压需求。
- 低耗散功率设计，适合微功率与便携式设备。
- 动态阻抗在测试工况下较小（Zzt = 15 Ω），在规定工作电流附近具有较好的稳压性能；低电流时阻抗增大（Zzk = 80 Ω），适合需考虑不同工作点的设计。
四、典型应用
- 小电流电压参考与监测电路。
- 低功耗便携设备的局部稳压或钳位保护。
- 接口与信号线的瞬态过压保护（需配合限流元件）。
- 光电、传感器与小功率模拟电路中的基准源。
五、封装与热管理
SOD-523 为极小外形的表面贴装封装，散热能力有限。器件最大耗散功率为 150 mW，但实际允许的稳流电流与功率应考虑环境温度、PCB 散热设计及周边元件热耦合。在高环境温度或紧凑布板时，应适当降额使用并保证良好走铜以利散热。
六、使用建议与注意事项
- 稳压二极管需串联限流电阻使用，选择阻值时按 (Vin - Vz) / R = Iz 计算，并确保 Iz 下的功耗 Pd = Vz * Iz 不超过器件允许值，考虑环境与温度降额。理论上最大稳流 Iz_max ≈ Pd / Vz（仅作估算，应以实际应用中热性能为准）。
- 在低电流工作点，器件的动态阻抗较大，稳压精度下降，应评估是否满足系统要求。
- 焊接与回流工艺按 SOD-523 推荐曲线执行，避免过热对结温和长期可靠性造成影响。
- 避免长期在最大结温附近工作，以延长器件寿命。
七、结论与采购提示
BZX584B7V5（CJ，SOD-523）是一款适用于微功率稳压与保护的经济型稳压二极管，适合空间受限的贴片应用。设计时应重视限流、热管理和工作电流选择，确保在器件规格范围内可靠运行。采购时请确认品牌、封装与批次，并参考 CJ 的完整数据手册以获得详细的测试条件与典型特性曲线。
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