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DOWO BAT46WS
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO BAT46WS
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- BAT46WS
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.027g
- Electronic Component
- 1
- Electronic Component
- BM0257638263
- Current
- 150mA
- Diode
- 1
- Current(Ir)
- 2uA@75V
- (Vf)
- 1V@250mA
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage Rating(Vr)
- 100V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BAT46WS 产品概述
一、产品简介
BAT46WS 是一款小信号肖特基整流二极管，东沃（DOWO）品牌，采用 SOD-323 小封装，适用于对体积、切换速度和低正向压降有要求的便携式与低功耗电子电路。该器件偏向低电流整流与高速开关场景，兼顾低反向漏电特性，适合在信号整形、钳位、包络检波等电路中使用。
二、主要电气参数
- 正向压降 (Vf)：约 1.0 V @ If = 250 mA
- 直流反向耐压 (Vr)：100 V（最大额定）
- 整流电流 (Io)：150 mA（连续）
- 反向电流 (Ir)：2 µA @ Vr = 75 V
- 非重复峰值浪涌电流 (Ifsm)：750 mA（单次脉冲）
以上参数为典型/代表值，具体请以器件与批次数据表为准。
三、主要特性与优点
- 小体积封装：SOD-323，便于高密度 PCB 布局与便携设备应用。
- 低正向压降：在中高电流下仍保持较低 Vf，有利于降低功耗与压降损失。
- 低反向漏电：在高达 75 V 时仍可保持 µA 级反向电流，适合高阻抗/测量类电路。
- 快速响应：肖特基结构带来较快的开关特性，适合高频或脉冲信号处理。
- 较强的瞬态承受能力：单次浪涌可达 750 mA，但不适合长期高电流工作。
四、典型应用场景
- 低压快恢复整流与信号整流（峰值检波、包络检波）
- 低压电源的反向保护、反向电流钳制与肖特基整流
- 逻辑电平隔离、钳位电路与保护电路（瞬态稳压、浪涌吸收配合）
- 高频开关、脉冲整形以及混合信号前端电路
五、封装与引脚说明
- 封装：SOD-323，单个小封装管脚，适合自动贴片生产。
- 引脚：通常为阳极与阴极两端（在 PCB 布局中注意极性标识）。具体引脚序列与管脚标记请参照厂家资料。
六、使用与布局建议
- 连续工作电流应控制在额定 150 mA 以下，并考虑随温度升高进行降额。
- 浪涌电流虽可达 750 mA（单次），但应通过串联限流或电阻/热熔丝保护，避免重复浪涌。
- SOD-323 受限于封装散热，建议在 PCB 上配备适当铜箔散热区域（地或电源铜）以帮助散热。
- 布局上缩短引线长度，靠近耦合/负载点布置，降低寄生电感与噪声。
- 对于高阻抗或精密测量电路，需注意反向漏电随温度显著上升，必要时采用温度补偿或选择更低漏电器件。
七、注意事项与选购建议
- 在长期可靠性或高温工况下，请参考并遵循完整数据手册的最大额定值与回流焊接曲线。
- 采购时确认东沃（DOWO）原厂或授权渠道，并核对封装与标记，避免混淆同型号的变体或不同批次参数。
- 若应用需要更低 Vf 或更高电流能力，可考虑更大封装的肖特基器件；若需更高 Vr 或更低漏电，则考虑其他工艺或型号。
总体而言，BAT46WS 在体积受限且需快速、低压降整流的低功耗电子设计中具备良好性价比，适合用于信号整流、保护与小电流整流场景。
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