WMSIC Electronic Components

VBsemi 2N7002A-7-F-VB 2N7002A

Model2N7002A-7-F-VB
PackageSOT-23(TO-236)
BrandVBSEMI
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
VBsemi 2N7002A-7-F-VB
Type
VBSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
2N7002A-7-F-VB
Electronic Component
1
Package
SOT-23(TO-236)
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.022g
Electronic Component
1
Electronic Component
BM0258702257
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
60V

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

2N7002A-7-F-VB(VBsemi)产品概述

一、产品简介

2N7002A-7-F-VB 是微碧半导体(VBsemi)出品的一款小功率 N 沟道增强型 MOSFET,采用 SOT-23(TO-236)封装。器件额定漏源电压 60V,适合中低功率开关和信号级应用,单颗规格便于表面贴装与密集电路布局。

二、主要电气参数

  • 类型:N 沟道 MOSFET
  • 漏源电压 Vdss:60V
  • 连续漏极电流 Id:250mA
  • 导通电阻 RDS(on):2.8Ω @ Vgs = 10V
  • 阈值电压 Vgs(th):2.5V
  • 总耗散功率 Pd:300mW(器件封装限制,散热需注意)
  • 总栅电荷 Qg:400pC @ 4.5V
  • 输入电容 Ciss:25pF @ 25V
  • 反向传输电容 Crss:2pF @ 25V
  • 输出电容 Coss:5pF
  • 工作结温 Tj:-55℃ ~ +150℃

三、性能与设计要点

  • 导通损耗:在 Vgs=10V 时 RDS(on)=2.8Ω,250mA 时器件导通压降约 0.7V,导通耗散约 175mW,接近封装耗散上限,长时间大电流使用需重视散热。
  • 开关驱动:Qg = 400pC 较大,快速开关时对驱动能力要求高,建议在高频或快速边沿应用中采用专用驱动或在门极串联阻容吸收以减小电磁干扰。
  • 电容特性:Ciss/Crss/Coss 值较小,有利于降低寄生影响与开关过渡,但整体栅电荷依然不低,说明中间电荷(Miller charge)及栅极充放电能量不可忽视。
  • 热管理:SOT-23 封装散热受限,建议在 PCB 设计时使用过孔或加大铜箔散热区,限制连续大电流工况并考虑短脉冲使用。

四、典型应用场景

  • 低电流负载开关、信号开关与电平移位
  • 继电器/小型继电器驱动前置器(需配合驱动或限流)
  • 便携设备中的低频开关、GPIO 电平隔离与保护电路
  • 模拟开关、低功耗电路中的开关元件(注意频率与驱动能量)

五、封装与引脚建议

  • 封装:SOT-23(TO-236),适合自动贴片生产。
  • 常见引脚定义(出厂版本差异请参见 Datasheet):Pin1 Gate,Pin2 Drain,Pin3 Source(请在设计前核对厂商资料)。
  • 布局建议:Gate 串联 10Ω100Ω 抑制振荡;Gate 到源并联 100kΩ1MΩ 作为上拉/下拉防止浮空;驱动回路与功率回路分开布线以减少耦合。

六、使用注意事项

  • 不要超过 Vdss=60V,也要留足安全裕度防止浪涌与反向击穿。
  • 对感性负载务必并联快恢复二极管或阻尼网络,防止能量回灌和器件遭受过压。
  • ESD 和静电敏感,存储与装配时注意防静电措施。
  • 在高温或连续大电流场合,按实际 PCB 热阻计算结温,必要时限制工作电流或增加散热手段。

本产品适合需要高耐压、低成本、体积小的场合,但在大电流、快速开关应用中需综合评估栅极驱动与热耗散。选型与电路设计时,建议参照 VBsemi 官方完整 Datasheet 与实际测试数据作最终确认。

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