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CJ BZX584C22
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ BZX584C22
- Type
- CJ
- Minimum package
- 8000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJ
- Electronic Component
- BZX584C22
- Electronic Component
- 1
- Package
- SOD-523
- Electronic Component
- Zener Diode
- Electronic Component
- 0.018g
- Electronic Component
- 1
- (Zzk)
- 250Ω
- (Zzt)
- 55Ω
- Electronic Component
- BM0227654050
- Diode
- 1
- Power Dissipation(Pd)
- 150mW
- Electronic Component
- 20.8V~23.3V
- Electronic Component
- 55℃~+150℃
- 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.
BZX584C22 Y8 — 22V 稳压二极管产品概述
一、概述与主要参数
BZX584C22 Y8 为长晶（CJ）出品的小封装稳压二极管，封装形式为 SOD-523，适合体积受限的表面贴装应用。其标称稳压值为 22V，实际稳压范围为 20.8V ~ 23.3V；最大耗散功率 Pd 为 150mW。工作结温范围宽，从 -55℃ 到 +150℃，能满足较苛刻的环境条件。
二、电气性能要点
- 标称稳压：22V（标称）
- 实测稳压范围：20.8V ~ 23.3V（用于评估容差与温漂）
- 耗散功率 Pd：150mW（器件在规定散热条件下的最大耗散）
- 动态阻抗 Zzt：55Ω（在规定测试电流下的差分阻抗，影响负载调节能力）
- 低电流时阻抗 Zzk：250Ω（在低电流或拐点电流处的阻抗，提示低电流下稳压能力变差）
以上参数决定了该型号适合低功耗、低电流工况下作为参考电压或过压钳位元件使用。
三、典型应用场景
- 精密电源的低功耗电压参考或基准（需搭配限流电阻）
- 小电流偏置与电路保护（钳位过压、保护敏感输入）
- 便携式设备或通讯模块中的局部稳压
- 作为测试和测量电路中的稳压基准元件
四、使用与热管理建议
- 最大允许电流近似由 Pd / Vz 给出：Iz_max ≈ 0.15W / 22V ≈ 6.8mA。考虑封装与PCB散热限制，实际推荐工作电流应远低于该值（常见取 1～3mA 级别，具体以应用和热仿真为准）。
- SOD-523 为超小封装，热阻较大，建议在 PCB 设计中增加焊盘铜面积或散热层以改善热耗散，避免长时间高电流工作。
- 推荐使用限流电阻实现稳压：R = (Vin - Vz) / Iz，选择余量以确保在最大 Vin 下不会超过 Pd 极限。
五、封装与工艺注意
SOD-523 适合回流焊贴装，贴装时注意极性识别与方向。由于器件尺寸小，焊接热负荷和回流曲线应按制造商建议控制，避免过热导致封装或性能退化。存储与使用时防潮防静电，遵循常规 SMD 元件的 ESD 与包装防护要求。
六、可靠性与选型提示
BZX584C22 在 -55℃ 到 +150℃ 的结温范围内保持工作，但稳压性能会随温度变化，选型时应参考完整数据手册中的温度系数、测试电流和最大结温限制。若应用对稳定度或温漂有较高要求，建议配合温度补偿或选择功率更高、动态阻抗更低的型号。
总结：BZX584C22 Y8 是适合低功耗、小体积应用的 22V 稳压二极管，适用于参考电压、钳位与偏置场合。设计时应特别关注工作电流限制与 PCB 热设计，以保证长期可靠性与稳压性能。
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