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CJ BZT52C9V1
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ BZT52C9V1
- Type
- CJ
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJ
- Electronic Component
- BZT52C9V1
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.033g
- Electronic Component
- 1
- (Zzk)
- 100Ω
- (Zzt)
- 15Ω
- Electronic Component
- BM0226465874
- Diode
- 1
- Current(Ir)
- 500nA
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 8.5V~9.6V
- 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.
BZT52C9V1 产品概述
一、产品简介
BZT52C9V1 为独立式稳压二极管（Zener），由 CJ（江苏长电/长晶）供货，采用 SOD-123 小型贴片封装。器件标称稳压值 9.1V，适用于低功耗、面积受限的基准和稳压场合，可作为简单的并联稳压、过压限幅与偏置基准元件。
二、主要电气与热参数
- 标称稳压：9.1V（典型）
- 稳压范围：8.5V ~ 9.6V
- 反向漏电流 Ir：500nA（在 6V 条件下）
- 阻抗：Zzk = 100Ω，Zzt = 15Ω（器件不同时工作点下的阻抗指标）
- 耗散功率 Pd：500mW（最大）
- 工作结温范围：-55℃ ~ +150℃
三、典型应用场景
- 作为低成本并联稳压器（小电流负载）
- 基准电压、偏置电路（放大器偏置、逻辑电平偏置）
- 过压限幅、脉冲钳位（低能量瞬态）
- 便携式与电池供电设备中的局部参考
四、设计与使用建议
- 功率与电流：理论最大稳压电流约为 Pd/Vz ≈ 500mW / 9.1V ≈ 54.9mA，实际应做热与可靠性余量，长期工作建议远低于此值（典型推荐工作电流为几 mA 至十几 mA 级）。
- 串联限流电阻：并联稳压时通过 Rs 限定电流，计算时需考虑最大输入电压与器件耗散上限。
- 噪声与纹波抑制：稳压二极管本身对噪声与纹波抑制能力有限，若需较低纹波应在输出并联电容或采用专用线性稳压芯片。
- 温度与热设计：SOD-123 封装散热能力有限，PCB 铜箔、焊盘尺寸及周围散热路径会显著影响结温，建议在靠近元件区域布置适当散热铜箔并遵循厂商推荐的焊盘设计。
- 浪涌保护：BZT52C9V1 适合低能量脉冲，但不等同于高能量 TVS，若需吸收较大浪涌能量应选择专用 TVS 器件。
五、封装与焊接
SOD-123 封装适合自动贴装与回流焊工艺。具体的回流温度曲线、焊盘尺寸和保存条件应参照 CJ 官方数据手册以保证焊接可靠性与元件性能。
六、测试与替代
- 测试时按数据手册规定的测试电流测量稳压值，注意在低电流区（kΩ 阶段）稳压点会偏移并伴随较大阻抗。
- 若需更高功率或更低阻抗，可考虑更大封装或功率型稳压二极管；需更精准参考源时考虑低漂移参考芯片。
总结：BZT52C9V1 是一款适用于小体积、低功耗稳压与限幅应用的 9.1V SOD-123 稳压二极管。设计时应重视功率耗散与热管理，并根据实际应用选择合适的工作电流与外围限流、滤波元件。有关更详细的参数、测试条件与封装尺寸，请参考厂家数据手册。
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