Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
GOODWORK 1N4148WL
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK 1N4148WL
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- 1N4148WL
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Switch Diode
- Electronic Component
- 0.038g
- Electronic Component
- 1
- Electronic Component
- BM0230812392
- Current
- 150mA
- Diode
- Electronic Component
- Current(Ir)
- 1uA@100V
- (Vf)
- 1.25V@150mA
- Power Dissipation(Pd)
- 400mW
- Electronic Component
- 55℃~+150℃@(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.
1N4148WL 产品概述
一、基本参数
1N4148WL 为独立式开关二极管，品牌：GOODWORK（固得沃克），封装：SOD-123FL。关键电气参数如下：正向压降 Vf = 1.25V（IF = 150mA），直流反向耐压 Vr = 100V，额定整流电流 IF = 150mA，耗散功率 Pd = 400mW，反向电流 Ir = 1μA（Vr = 100V），反向恢复时间 Trr = 8ns，非重复峰值浪涌电流 Ifsm = 1A；工作结温范围 -55℃ ～ +150℃（Tj）。
二、主要特性
- 高频开关能力：Trr = 8ns，适用于低至中速的数字和脉冲开关应用，比普通整流二极管快，适合脉冲信号切换和信号整形。
- 低反向漏电：在100V反向下 Ir = 1μA，适合需要较低漏电的高阻电路或精密模拟输入保护。
- 小封装低耗散：SOD-123FL 小体积，Pd = 400mW，适合空间受限的表面贴装设计，但对散热要求较高。
三、典型应用
适用于开关信号、逻辑接口保护、反向电压保护、夹位/钳位电路、混合信号电路中的高频脉冲开关等场合。由于封装和功耗限制，不建议用作高电流整流或长时间大电流负载。
四、封装与机械注意
SOD-123FL 为小型表贴封装，焊盘设计应尽量减小热阻，采用适当的铜箔面积以提高热散能力。元件引脚短，布局时应确保信号回流路径短且阻抗可控，避免寄生感抗影响高速性能。
五、热与可靠性设计建议
- 在实际电路中应考虑对 Pd 的降额设计，连续工作时尽量控制正向电流远低于150mA，以免因封装热阻导致结温升高。
- 对于瞬态浪涌，Ifsm = 1A 表示可承受短时脉冲浪涌，但应避免重复高幅值冲击。
- 在高温环境或高频切换场合，请检查器件的结温并留有余量，必要时改善散热或选用更高功率器件。
六、使用与挑选建议
选型时核对实际最大正向电流与平均功耗，若电路存在较高开关频率或连续大电流，考虑更高Pd或更低Vf的替代品。设计保护回路时参考反向耐压和漏电规格，确保工作点在安全区域。
七、结论
1N4148WL（GOODWORK，SOD-123FL）是一款小体积、速度适中的开关二极管，适合空间受限的信号开关和保护应用。其100V耐压与8ns恢复时间、低漏电特性，使其在一般电子设备的开关与保护场景中具有良好性价比；但由于封装与功耗限制，需在热设计与电流规格上谨慎使用。
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