WMSIC Electronic Components

ElecSuper ES2N7002LT1G

ModelES2N7002LT1G
PackageSOT-23
BrandElec Super
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
Elec Super ES2N7002LT1G
Type
ELECSUPER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
ES2N7002LT1G
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0229358172
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
350mW
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.

ES2N7002LT1G 产品概述

ES2N7002LT1G 是 ElecSuper(静芯微)推出的一款小功率单片 N 沟道 MOSFET,采用 SOT-23 封装,针对低电流开关和信号控制应用进行了优化。器件具有 60V 的最大漏源电压与较低的输入电容和栅极电荷,适合用于便携设备、通信设备与各类低功耗开关电路中作为开关或电平转换元件使用。

一、主要特性

  • 类型:N 沟道 MOSFET(单管,数量:1)
  • 漏源电压 Vdss:60V
  • 连续漏极电流 Id:300mA(典型)
  • 导通电阻 RDS(on):1.85Ω @ VGS=10V;2.05Ω @ VGS=4.5V
  • 阈值电压 VGS(th):1.6V @ ID=250µA
  • 栅极电荷 Qg:1.8nC @ VGS=4.5V
  • 输入电容 Ciss:28pF
  • 输出电容 Coss:11pF
  • 反向传输电容 Crss(Crss):4pF @ 25V
  • 功耗 Pd:350mW
  • 工作温度范围:-55℃ ~ +150℃
  • 封装:SOT-23
  • 品牌:ElecSuper(静芯微)

二、典型电气与性能解读

  • 导通性能:在 VGS=4.5V 时 RDS(on)=2.05Ω,说明在 5V 级别栅压下能实现中等导通电阻,适合 100~300mA 级别负载的开关用途;在 VGS=10V 时略有改善(1.85Ω)。
  • 门极驱动与开关损耗:Qg=1.8nC(4.5V)以及较小的 Ciss(28pF)令器件在中高频情况下一般具有较低的门极能耗,适合要求低驱动能耗的小型电源或快速信号切换。
  • 开关特性:Coss=11pF、Crss=4pF 等较小的结电容有利于降低开关过程中的电荷存储和耦合,便于实现较快的开关速度且减少切换时的干扰。
  • 功耗与热管理:器件最大耗散功率为 350mW。举例,在 Id=300mA、按 RDS≈2Ω 计算,导通损耗为 P = I^2·R ≈ 0.18W,处于器件功耗能力范围内。但 SOT-23 封装散热受限,实际允许的持续电流与功耗会受 PCB 铜箔、环境温度和散热条件影响。

三、典型应用场景

  • 低压逻辑开关、信号切换(如 GPIO 控制的高侧/低侧开关)
  • 电平移位(尤其从 5V 或较高驱动电压到开关结点)
  • 小功率负载驱动(指示灯、传感器供电开关、低电流执行器)
  • 便携式设备与电池管理电路中的隔离与切换
  • 高频信号切换与保护电路(受益于低 Ciss/Coss)

四、使用与电路设计建议

  • 驱动电压选择:若需较低 RDS(on) 与更小导通损耗,建议 VGS 接近或等于 10V;在 4.5V 驱动下也能工作但 RDS 较高。在 3.3V 逻辑直接驱动时请注意导通电阻会显著上升,应在设计前做实际损耗验证。
  • PCB 布局与散热:SOT-23 封装散热能力有限,推荐在 PCB 上为器件的漏极/源极附近采用较大铜箔面积并连接到多层平面以改善散热;在高环境温度或连续开关场合应留有安全裕度。
  • 门极驱动:由于 Qg 较小,常规 MCU 或逻辑门即可驱动,但若进行高频开关(几百 kHz 以上)应评估门极驱动器的功耗与总损耗。
  • 保护与稳健性:若电路可能出现感性负载或高压尖峰,建议在器件前后加上适当的缓冲、TVS 或限流元件,器件的反向恢复和耐冲击能力需参照完整数据手册评估。

五、注意事项与设计提示

  • VGS(th) 指示的是小电流下的阈值电压(250µA),并不代表能在该电压下达到低导通阻值;实际导通能力应参考 RDS(on) 标明的测试 VGS。
  • 器件并非为大电流或大功率设计,不建议用于高电流密度或高功耗开关场合(例如大电流电机驱动或功率级 DC-DC 主开关)。
  • 如需在极端环境或需要通过认证的应用中使用,请参照完整的元器件数据手册,注意器件的可靠性参数、最大结温以及热特性曲线。

总结:ES2N7002LT1G 是一款适用于中低电流、小信号及低功耗开关场合的 60V N 沟道 MOSFET,具有低输入电容和低栅极电荷的优点,适合便携式与通信类电子产品中作为通断或电平控制元件使用。选择时应结合工作电压、负载电流和 PCB 散热条件进行综合评估。

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