WMSIC Electronic Components

YANGJIE 2N7002BDW

Model2N7002BDW
PackageSOT-363
BrandYANGJIE
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE 2N7002BDW
Type
SOT-363
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
2N7002BDW
Electronic Component
1
Package
SOT-363
Electronic Component
0.041g
Electronic Component
1
Electronic Component
BM0229283145
Electronic Component
Electronic Component
Electronic Component
3000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

2N7002BDW 产品概述

一、概述

2N7002BDW 是一款 N 沟增强型小信号 MOSFET,适用于低电流开关与信号级切换场合。器件由扬杰(YANGJIE)生产,标称漏源耐压 60V,采用 SOT-363 微型封装,体积小、适合集成度高的印制板设计。该器件以较低的输入电容和适中的栅极电荷为特点,适合快速开关和数字接口控制用途。

二、主要参数与电气特性解读

  • 漏源电压 Vdss:60V,适合中低压场合的耐压需求。
  • 导通电阻 RDS(on):700mΩ @ Vgs=10V,导通损耗随栅压下降而上升;RDS(on) 在 10V 驱动时表现较好,但在 3.3V/5V 直驱下需参考厂商曲线。
  • 连续漏极电流 Id:350mA,适合小功率负载驱动与信号开关。
  • 阈值电压 Vgs(th):1.6V(典型),表示器件在较低栅压时开始导通,但并不意味着在该电压下能达到低 RDS(on)。
  • 输入/输出/反向传输电容:Ciss≈34pF、Coss≈6pF、Crss≈2pF,低电容有利于快速开关与降低米勒效应。
  • 栅极电荷 Qg:1.7nC @10V,充放电能量约为 Qg·V/2 ≈ 8.5nJ(10V),在高开关频率下栅极驱动损耗可计算并优化。

举例:在 Id=350mA 且 RDS(on)=0.7Ω 时,导通功耗约 I^2·R ≈ 0.0858W,单管导通热耗较小,但须考虑封装散热限制。

三、主要应用场景

  • 低功率直流开关与小电流负载驱动(继电器/指示灯/光耦前端等)。
  • 电平移位与逻辑接口(需注意在 3.3V 或更低逻辑电平下的导通表现)。
  • 高频信号切换与脉冲控制,适合需要快速响应且占空比受控的场合。
  • 移动与便携设备中占板面积受限的电路,由于 SOT-363 封装体积小,可实现高密度布局。

四、设计与使用注意事项

  • 驱动电压:若要求最低导通损耗,应尽量驱动至 10V;在仅有 3.3V/5V 驱动时,请查阅或测量在相应 Vgs 下的 RDS(on)。
  • 开关速度与栅极驱动:Qg=1.7nC 表明对栅极驱动器有一定需求,采用合适的驱动电流或添加 10–100Ω 的栅极电阻可抑制振铃与过冲。
  • 米勒效应:Crss 较小,有利于减少米勒区导致的误开关,但在高 dV/dt 场合仍需关注。
  • 封装散热:SOT-363 为微型封装,热阻较高,长时间大电流或高频切换时注意器件温升与 PCB 散热设计。
  • ESD 与浪涌保护:小信号 MOSFET 对静电敏感,生产与装配过程中须做好 ESD 防护;必要时在输入端加 TVS 或限流保护。

五、封装与可靠性建议

SOT-363(微型 6 引脚)适合双通道配置与紧凑电路设计,常用于多路开关或成对布局。建议在 PCB 布局时放置足够的散热铜箔、尽量缩短信号回流路径并加入去耦,以保证稳定性与长期可靠性。

总结:2N7002BDW 以其 60V 耐压、低电容与微小封装特点,适合多种小功率开关与高速信号场合;在实际应用中需根据工作电压与频率合理选择驱动方式与热设计。

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