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PANJIT 1N5242B_AX_10001
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANJIT 1N5242B_AX_10001
- Type
- PANJIT
- Minimum package
- 5000 盒
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PANJIT
- Electronic Component
- 1N5242B_AX_10001
- Electronic Component
- 1
- Package
- DO-35
- Electronic Component
- Zener Diode
- Electronic Component
- 0.104g
- Electronic Component
- 1
- (Zzk)
- 600Ω
- (Zzt)
- 30Ω
- Electronic Component
- BM0263665355
- Diode
- 1
- Current(Ir)
- [email protected]
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 11.4V~12.6V
- 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.
1N5242B_AX_10001 产品概述
一、概要与定位
1N5242B_AX_10001 是 PANJIT（强茂）出品的一款独立式小功率稳压二极管，标称稳压值 12V，采用 DO-35 轴向玻璃封装，适用于低功耗精密参考、信号钳位与小电流基准电路。器件特点是体积小、响应快、工艺稳定，适合对空间和成本敏感但对可靠性有一定要求的消费与工业类电子产品。
二、主要电气参数
- 稳压值（标称）：12V；稳压范围：11.4V ~ 12.6V。
- 反向电流 Ir：1 μA @ 9.1V（典型/测试点信息请参见厂商完整数据表）。
- 耗散功率 Pd：500 mW（最大），需注意热管理与功率分配。
- 阻抗：Zzt = 30 Ω（动态阻抗，表示在指定测试电流下的交流等效阻抗）；Zzk = 600 Ω（折返/拐点阻抗，反映在低电流区的电压变化特性）。
- 二极管配置：单只独立器件，轴向引线便于通孔安装与手工焊接。
三、典型应用场景
- 低功耗电源参考与基准电压源（例如便携设备的模拟部分基准）。
- 测试夹具或保护电路中的电压钳位（防止信号超过 12V）。
- 小信号偏置与电平移位电路。
- 需要可靠温漂特性但功率要求不高的工业传感与控制回路。
四、使用与设计注意事项
- 功率与热管理：Pd 为 500 mW，实际使用时应留有余量，建议在工作点上将耗散控制在最大 Pd 的 50% 以下以提高可靠性；高温环境需进一步降额。
- 阻流元件：使用串联限流电阻或恒流源设计，确保二极管在合适的反向电流区工作，以获得稳定稳压。由 Zzt 与 Zzk 可见，在低电流区电压变化较大，推荐工作点尽量在规定测试电流附近以降低噪声与电压漂移。
- 漏电与精度：Ir = 1 μA @ 9.1V 表明在较低偏压下存在可测漏电，设计高阻抗输入电路时需考虑该漏电对偏置的影响。
- 启动与瞬态：瞬态过电压和浪涌可能导致短时间内超过耗散能力，建议配合限流或熔断保护元件。
五、封装与可靠性
DO-35 玻璃封装提供良好的机械稳定性与焊接适应性，适合通孔电路板装配与手工构建。PANJIT 品牌在封装一致性与出厂测试方面具有工业级品质保证，但对于关键应用仍建议参考完整可靠性与温度特性曲线，并进行必要的环境与寿命评估。
六、选型与替代建议
选择时确认工作电流区、电压精度与温度范围是否满足设计要求。若需更高功率或更低动态阻抗，应考虑更高功耗的稳压二极管或精密基准源；若需更小封装或 SMD 形式，可在规格上寻找同类 12V 级别的 SMD 型号替代。购买与下单时请以型号 1N5242B_AX_10001 与品牌 PANJIT（强茂）为准，并核对批次与数据表参数以确保一致性。
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