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DIOTEC 1N4151
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DIOTEC 1N4151
- Type
- DIOTEC
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DIOTEC
- Electronic Component
- 1N4151
- Electronic Component
- 1
- Package
- DO-35
- Electronic Component
- Switch Diode
- Electronic Component
- 0.11g
- Electronic Component
- 1
- Electronic Component
- BM0227699754
- Current
- 200mA
- Diode
- Electronic Component
- Current(Ir)
- 50nA@50V
- (Vf)
- 1V@50mA
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 50℃~+175℃@(Tj)
- 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.
1N4151 产品概述
一、产品简介
1N4151 为 DIOTEC（德欧泰克）系列独立式小信号开关二极管，采用 DO-35 轴向玻璃封装。该器件专为高速开关与小信号整流应用设计，具有低正向压降、低反向漏电和快速复位特性，适用于要求响应快、体积小且耐温性能宽的电子电路。
二、主要参数
- 工作结温范围：-50℃ ~ +175℃（Tj）
- 正向压降：Vf = 1.0 V @ If = 50 mA
- 连续整流电流：If = 200 mA
- 非重复峰值浪涌电流：Ifsm = 4 A（单次脉冲）
- 直流反向耐压：Vr = 50 V
- 反向电流：Ir = 50 nA @ Vr = 50 V
- 反向恢复时间：Trr = 4 ns
- 耗散功率：Pd = 500 mW
- 封装：DO-35（轴向玻璃）
三、特性与优势
- 低正向压降（1V@50mA），在中低电流工作时降低功耗与发热；
- 极低反向漏电（50 nA@50V），适合高阻抗输入与精密信号处理；
- 快速反向恢复（4 ns），适合高频开关、脉冲整流与高速逻辑隔离；
- 宽工作结温与玻璃封装，抗热冲击、机械强度高，适应苛刻环境。
四、使用建议与注意事项
- 功率与散热：Pd 为 500 mW，实际电路中应考虑结温与环境温度的升高，必要时通过降低工作电流或改善散热路径（增加铜箔面积、缩短引线）进行降额使用；
- 浪涌承受：Ifsm = 4 A 为非重复峰值脉冲能力，适合短时浪涌冲击，但不宜作为长期冲击载荷使用；
- 高频应用：Trr = 4 ns 使其适合 MHz 级别的开关频率，但在高速开关电路中仍需注意寄生电容与布局，尽量缩短走线以减少反射与振铃；
- 极性与封装：轴向 DO-35 封装便于手工焊接与自动插件，但安装时注意引线弯曲不要过度集中在封装近邻处以防封装应力。
五、典型应用场景
- 高频开关与脉冲整流电路；
- 逻辑电平隔离与保护电路；
- 信号恢复、波形整形与夹位电路；
- 仪表与低功耗传感器前端的反向保护与整流。
六、包装与可靠性
DO-35 玻璃封装提供良好可视性便于检验焊点与元件完整性，耐温范围宽，适合工业级应用。推荐在器件长期工作环境中实施降额设计并遵循焊接温度曲线规范以保证可靠性。
七、总结
1N4151 为一款性能均衡的独立式高速开关二极管，凭借低漏电、低 Vf 与快速恢复特性，适用于多种小信号与开关场合。在设计中关注功耗、散热和布局，可以发挥其在高频与宽温环境下的可靠表现。若需替代或批量采购，请参照 DIOTEC 的器件规格书和包装信息进行型号核对与验证。
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