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DOWO AO3400NSA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO AO3400NSA
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- AO3400NSA
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 N
- Electronic Component
- MOSFET
- Electronic Component
- 0.032g
- Electronic Component
- 1
- Electronic Component
- BM0258760024
- Operating Temperature
- 55℃~+150℃
- Power Dissipation(Pd)
- 1.2W
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage(Vdss)
- 30V
- Capacitor(Ciss)
- 702pF
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
AO3400NSA 产品概述
一、主要参数
- 器件类型：N沟道场效应晶体管（N-MOSFET），数量：1颗
- 漏源电压 Vdss：30V
- 连续漏极电流 Id：5.8A（注：热限受PCB散热影响）
- 导通电阻 RDS(on)：28mΩ @ Vgs=10V, Id=5.8A
- 耗散功率 Pd：1.2W（SOT-23封装，基于一定PCB散热条件）
- 阈值电压 Vgs(th)：1.4V（典型）
- 栅极电荷 Qg：9.5nC @ Vgs=4.5V
- 输入电容 Ciss：702pF；反向传输电容 Crss：52pF；输出电容 Coss：66pF
- 工作温度范围：-55℃ ~ +150℃
- 品牌/封装：DOWO(东沃)，SOT-23 封装
二、产品特性
AO3400NSA 在 30V 电压等级具有较低的导通电阻（28mΩ@10V），适合中小功率开关应用。栅极电荷约 9.5nC（4.5V），在同类 SOT-23 封装中属于中等门电荷，利于开关速度与驱动功率的平衡。工作温度范围广，可用于工业级环境。SOT-23 小尺寸便于空间受限的电路板设计。
三、典型应用场景
- 低压降开关与高侧/低侧开关（在合适驱动电压下）
- 电源管理与保护（反向电流切换、负载断开）
- DC-DC 转换器的同步整流或开关管（注意热设计）
- 移动设备、便携仪器和物联网终端的开关元件
四、驱动与布局建议
- 该器件在 Vgs=10V 时给出 RDS(on) 指标，若驱动电压仅为 4.5V，导通电阻会显著增大，需在设计时验证低压驱动下的导通损耗。
- 推荐在高速开关应用中串联小电阻（10–100Ω）抑制振铃并限制峰值电流；驱动器要能提供足够瞬态电流以快速充放栅电荷（Qg=9.5nC）。
- PCB 布局应尽量缩短信号回路路径、增大漏极与源极散热铜箔面积并增加过孔以改善热阻，减少结温上升导致的性能退化。
五、热管理与可靠性
SOT-23 封装的耗散功率 1.2W 为典型值，实际允许电流受 PCB 散热能力限制。设计中应进行功耗计算并留有热余量；在高环境温度或连续导通情况下，建议使用更大铜面积或散热措施以避免结温超限。长期工作在高温边界会影响可靠性，推荐进行温度下的额定验证。
六、封装与采购提示
AO3400NSA 为单管 SOT-23 封装，适合自动贴装。采购时注意核对品牌（DOWO/东沃）与完整型号，关注器件批次和供应文档，必要时参考完整数据手册以获取脉冲特性、RDS(on) 在不同 Vgs 下的变化曲线及热阻参数。
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