WMSIC Electronic Components

YANGJIE 2N7002KCW

Model2N7002KCW
PackageSOT-323
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 26+

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE 2N7002KCW
Type
SOT-323
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
2N7002KCW
Electronic Component
1
Package
SOT-323
Electronic Component
0.041g
Electronic Component
1
Electronic Component
BM0225749463
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.

2N7002KCW 产品概述

一、产品简介

2N7002KCW 是扬杰(YANGJIE)推出的一款小封装 N 沟道增强型场效应管(MOSFET),封装为 SOT-323(极小体积),面向低功耗、小信号开关与驱动场合。器件结构与参数适合在资源受限的便携与消费电子电路中作为通用开关、推挽/电平移位元件或保护器件使用。

二、主要电气参数

  • 类型:N 沟道 MOSFET(单片,1 个)
  • 漏源电压 Vdss:60 V
  • 阈值电压 Vgs(th):2.5 V @ 250 μA
  • 导通电阻 RDS(on):2.5 Ω @ Vgs = 10 V
  • 连续漏极电流 Id:300 mA
  • 功耗 Pd:300 mW
  • 输入电容 Ciss:27 pF @ 30 V
  • 输出电容 Coss:3 pF
  • 反向传输电容 Crss(Crss):2 pF @ 30 V
  • 栅极电荷 Qg:2.4 nC @ 10 V
  • 工作温度范围:-55 °C ~ +150 °C
  • 品牌/型号:YANGJIE 扬杰,2N7002KCW;封装:SOT-323

三、主要特性

  • 极小封装:SOT-323 适合高密度布局与表面贴装制造(SMT)。
  • 低电容、快切换:Ciss/Coss/Crss 均较小,配合较低的栅极电荷(2.4 nC),适用于快速开关和脉冲信号场合。
  • 中等耐压:60 V 的 Vdss 能满足多数中低压电源与信号隔离需求。
  • 低功耗场景:器件 Pd 仅 300 mW,适合低功率、低电流应用,不建议用于高功耗场合。

四、典型应用

  • 低功耗开关与信号控制(如 I/O 扩展、复位/使能开关)
  • 电平移位与小电流负载驱动(与逻辑电平配合使用时注意阈值与导通电阻)
  • 快速脉冲或采样开关(利用小结电容优势)
  • 过流/反向保护电路、体积受限的消费电子与便携设备

五、封装与布板建议

  • 使用 SOT-323 封装时,应在 PCB 上留足散热铜箔,尽量增大焊盘与周边铜面积以改善热阻,避免长期满额定 Pd 工作。
  • 栅极走线尽量短且粗,减少寄生电感和电阻,有助于提高开关速度并降低振铃。
  • 对于容易受到干扰的应用,建议在栅极加并联 RC 或放置小阻尼电阻以抑制开关过冲。

六、设计与使用注意事项

  • 阈值电压为 2.5 V(@250 μA),在 3.3 V 或更低逻辑驱动下可能无法达到理想低 RDS(on),驱动电压越高导通电阻越低;应根据实际 Vgs 选择器件或增加驱动电压。
  • 器件连续电流仅 300 mA,功耗限制较严,驱动较大负载时需评估结温及热稳定性。
  • 在开关感性负载(继电器、电机线圈)时应加入反向保护(二极管或吸收网络),以防栅极或漏极出现过压。

七、可靠性与环境

  • 工作温度覆盖 -55 °C 至 +150 °C,适用于工业级温度范围内的应用,但长期高温工作会降低寿命与热裕度。
  • 建议遵循制造商完整数据手册中的最大额定值与热阻规格,结合 PCB 设计实现可靠运行。

总结:2N7002KCW 是一颗适用于小体积、低功耗和快速开关场合的 N 沟道 MOSFET,凭借 60 V 耐压与小结电容,适合做通用小信号开关与电平转换器。但在较高电流或低驱动电压的场合需谨慎评估其导通性能与热管理。若需更详细的极限参数和典型应用电路,请参考扬杰官方数据手册。

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