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RUILON 1N4148WS
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON 1N4148WS
- Type
- RUILON
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- 1N4148WS
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Switch Diode
- Electronic Component
- 0.028g
- Electronic Component
- 1
- Electronic Component
- BM0257222006
- Current
- 150mA
- Diode
- Electronic Component
- Current(Ir)
- 1uA@75V
- (Vf)
- 1V@50mA
- Power Dissipation(Pd)
- 200mW
- 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 是一款由 RUILON（瑞隆源）提供的小信号快速切换二极管，采用 SOD-323 小型表面贴装封装，独立式器件设计，适用于空间受限且要求高速响应的电路。该器件延续了 1N4148 系列的快速切换特性，同时在微型封装下适配现代 SMT 工艺。
二、主要电气参数
- 二极管配置：独立式
- 正向压降 (Vf)：1.0 V @ 50 mA
- 直流反向耐压 (Vr)：100 V
- 整流电流（正向连续电流）：150 mA（DC）
- 耗散功率 (Pd)：200 mW
- 反向电流 (Ir)：1 µA @ 75 V
- 反向恢复时间 (Trr)：4 ns
- 工作结温范围 (Tj)：-55 ℃ ~ +150 ℃
- 非重复峰值浪涌电流 (Ifsm)：2 A（尖峰、非重复）
三、主要特性与优势
- 快速切换：4 ns 的低反向恢复时间确保在高频和快速脉冲应用中具有良好的开关性能。
- 低反向泄漏：在 75 V 下仅 1 µA 的反向电流，适合低功耗和高阻抗电路。
- 高阻断电压：100 V 的反向耐压可用于较高电压的信号路径保护或整流。
- 紧凑封装：SOD-323 占板面积小，便于高密度 PCB 布局和自动化贴装。
- 合理的浪涌能力：2 A 的非重复峰值浪涌能力可应对瞬态脉冲或开机浪涌，但不适合作为长期大电流开关使用。
四、典型应用场景
- 高频信号开关与脉冲整形电路
- 逻辑电平钳位、峰值检测与耦合电路
- 小信号整流与保护二极管（例如防反接、浪涌钳位）
- 通信设备、仪表以及各类消费电子的信号路径保护
五、热管理与使用建议
- 功耗限制：器件 Pd 为 200 mW，在高环境温度或连续较大电流工作时需按结温限值进行热降额设计，增加焊盘面积以改善散热。
- 电流限值：连续工作电流以 150 mA 为上限，短时浪涌可承受 2 A（非重复），但不建议长期在浪涌水平工作。
- 焊接与可靠性：适用于回流焊工艺，贴装时注意温度曲线以避免封装应力。储存和操作注意防潮和静电防护。
- 结温范围：器件允许在 -55 ℃ 至 +150 ℃ 之间工作，但建议在典型环境下保持较低结温以延长寿命并降低泄漏电流。
六、封装与采购信息
- 封装形式：SOD-323 表面贴装独立式二极管，便于自动化贴片。
- 品牌与型号：RUILON（瑞隆源） 1N4148WS。
- 采购注意：确认包装卷带规格、批次与必要的质量文件（如原厂检验报告、信赖度测试等），对于批量设计建议与供应商确认长短期供货能力。
总结：1N4148WS 在小体积下提供了典型 1N4148 的快速开关与低泄漏性能，适合高频、小信号和空间受限的应用场合。设计时请关注其功耗与热降额要求，以确保长期可靠性。
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