WMSIC Electronic Components

CJ 2N7002K

Model2N7002K
PackageSOT-23(SOT-23-3)
BrandCJ
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

19 specifications

Core information

Product name
CJ 2N7002K
Type
CJ
Minimum package
3000

Technical parameters

Electronic Component
CJ
Electronic Component
2N7002K
Electronic Component
1
Package
SOT-23(SOT-23-3)
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM69416254
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
350mW
Electronic Component
3000
Voltage(Vdss)
60V
Capacitor(Ciss)
40pF
Output Capacitor(Coss)
30pF

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

2N7002K 产品概述

一、产品基本信息

产品名称: N沟道场效应管 (MOSFET)
型号: 2N7002K
品牌: CJ (江苏长电/长晶)
封装类型: SOT-23 (SOT-23-3)
额定功率: 350mW
最大漏极源极电压 (V_DS): 60V
最大漏电流 (I_D): 340mA

二、场效应管简介

场效应管(Field Effect Transistor,FET)是一种重要的电流控制器,其工作原理基于电场对半导体导电性的影响。MOSFET(Metal-Oxide-Semiconductor Field-Effect Transistor)是一种特殊类型的场效应管,其通过电压控制源极和漏极之间的电流。2N7002K 是一种 N沟道 MOSFET,广泛应用于开关、放大和其他电子控制电路中。

三、工作原理

2N7002K MOSFET 的工作原理基于其结构特点和电压输入。其漏极(D)与源极(S)之间的电流(I_D)由栅极(G)电压(V_GS)所控制。当栅极电压高于阈值电压(V_GS(th))时,N沟道中的载流子(电子)会形成导电通道,使得漏极和源极之间的电流能够有效流动。相反,当栅极电压低于阈值电压时,载流子的数量减少,从而切断漏极与源极之间的电流。这使得2N7002K 能够实现高效、快速的电流开关控制。

四、技术参数

  • 封装类型: SOT-23 形式的封装使得该 MOSFET 紧凑,并适合于空间有限的应用。其小尺寸和轻量化特征使得其可以在各种便携电子设备中广泛使用。
  • 额定功率: 最大功率为350mW,使得该组件适合进行小功率应用的开关控制。
  • 工作电压: 其最大漏源电压为60V,可以承受较高的电压,适用于各类不同的电源电压下工作。
  • 最大漏电流: 340mA 的漏电流使得其能够驱动较小的负载,同时保持高效性。

五、应用场景

2N7002K 由于其优越的电气特性,广泛应用于多个领域:

  1. 开关电路:适合用作开关元件,控制电流的通断,特别是在逻辑电路中。
  2. 放大器:帮助信号放大,适用于低频和中频的信号处理。
  3. 功率管理:可以用于开关电源、逆变器等功率管理电路,提高能效。
  4. 电机驱动:在低功耗电机驱动应用中,由于其较高的电压和电流承受能力,2N7002K 是理想的选择。
  5. LED驱动:在LED照明系统中,作为驱动控制开关,可以实现高效的亮度调节。

六、优势和注意事项

优势:

  • 高效能: 相较于其他类型的开关元件,MOSFET的导通电阻较低,工作时的能量损耗较小。
  • 高开关速度: 由于电压控制的特性,其开关速度非常迅速,非常适合高频应用。
  • 温度稳定性: 由于长期以来的技术进步,2N7002K具备良好的温度特性,能够在不同环境下稳定工作。

注意事项:

  • 最大额定参数: 在应用中,须严格遵守最大额定电压和电流,以免损坏元件。
  • 静电敏感: MOSFET 对静电较为敏感,在操作时需采取适当的防静电措施。

七、总结

2N7002K 是一款性能优越的 N沟道 MOSFET,凭借其高电压、高电流能力及快速的开关特性,广泛适用于开关、信号放大和电源管理等各种应用。通过合适的设计与维护,2N7002K 能够极大地提高电路的性能和效率,是现代电子设计中不可或缺的基础元件之一。

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