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GOODWORK 1N4148WS
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK 1N4148WS
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- 1N4148WS
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Switch Diode
- Electronic Component
- 0.002g
- Electronic Component
- 1
- Electronic Component
- BM0229305764
- Current
- 150mA
- Diode
- Electronic Component
- Current(Ir)
- 1uA@100V
- (Vf)
- 1.25V@150mA
- Power Dissipation(Pd)
- 250mW
- 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.
1N4148WS 产品概述
一、产品简介
1N4148WS 是 GOODWORK（固得沃克）推出的一款独立式开关二极管，采用 SOD-323 贴片封装。该器件专为高速开关和通用信号整流设计，兼顾体积小、性能稳定、易于自动化贴装的特点，适用于小型化电子产品中的信号处理和保护电路。
二、主要电气参数
- 类型：独立式开关二极管（整流/开关用途）
- 正向压降 (Vf)：1.25 V @ IF = 150 mA
- 最大直流反向耐压 (Vr)：100 V
- 额定整流电流：150 mA（连续）
- 反向电流 (Ir)：1 μA @ 100 V
- 反向恢复时间 (Trr)：4 ns（高速开关特性）
- 耗散功率 (Pd)：250 mW
- 工作结温范围：-55 ℃ ~ +150 ℃（Tj）
三、封装与热特性
器件采用 SOD-323 小型表面贴装封装，适合高密度 PCB 设计与自动化生产。由于 Pd 为 250 mW，热阻及 PCB 散热条件对器件的连续导通能力影响明显，建议在设计时考虑合理的铜箔散热和热量分流，必要时对工作电流进行降额处理以保证长期可靠性。
四、性能与优势
- 高速开关：4 ns 的反向恢复时间，适合脉冲和高速信号开关应用。
- 低漏电：1 μA 的反向电流在高阻抗和电池供电系统中表现良好。
- 宽温工作：-55 ℃ 到 +150 ℃ 的结温范围，适应工业级温度要求。
- 小型化：SOD-323 封装节省 PCB 面积，便于便携设备使用。
- 稳定可靠：品牌与封装工艺保证了批量一致性，适合量产应用。
五、典型应用场景
- 高速逻辑信号整形与隔离
- 开关电源次级及辅助电路的保护与整流
- 通信设备、仪表和传感器中的开关/钳位电路
- 电池供电便携设备中低功耗信号路径
- 高频脉冲电路及脉冲整形应用
六、使用与注意事项
- 由于最大耗散功率有限，长期工作接近最大整流电流时需评估 PCB 散热条件并做降额设计。
- 在高温环境或连续大电流场合，应限制平均功率并确保结温不超过 150 ℃。
- 建议在贴片工艺中遵循 SOD-323 的焊接规范与回流曲线，避免超温损伤器件，具体回流参数以厂商数据手册为准。
- 选型时若需更高电流或更低 Vf、Trr 的性能，可对比 SO-23 或 DO-35 等更大封装或其他型号。
总结：1N4148WS（GOODWORK，SOD-323）是一款性能均衡、适合高密度贴片的高速开关二极管，凭借 100 V 的耐压、4 ns 的恢复时间和低漏电特性，适合各类通信、控制及便携式电子设备中的信号开关与保护用途。在实际设计中，请结合 PCB 散热和工作电流需求进行适当的热管理与降额设计。
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