WMSIC Electronic Components

JJW(捷捷微) JMTL2N7002KS

ModelJMTL2N7002KS
PackageSOT-23
BrandJJW
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

19 specifications

Core information

Product name
JJW JMTL2N7002KS
Type
JJW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JMTL2N7002KS
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.043g
Electronic Component
1
Electronic Component
BM0226338282
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
230mW
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.

JMTL2N7002KS 产品概述

JMTL2N7002KS 是捷捷微(JJW)推出的一款面向通用小信号开关与逻辑接口的 N 沟道增强型 MOSFET,采用 SOT-23 小封装。器件以 60V 的耐压和低栅电荷的特点,适合在低功耗、快速开关和空间受限的场合作为开关元件或电平移位器使用。器件的工作温度范围宽 (-55℃ 到 +150℃),能够适应工业级温度环境。

一、主要电气特性

  • 类型:N 沟道增强型 MOSFET
  • 漏源电压 Vdss:60 V
  • 连续漏极电流 Id:250 mA(注意在封装与散热限制下的额定值)
  • 导通电阻 RDS(on):2.87 Ω @ Vgs = 4.5 V
  • 阈值电压 Vgs(th):2.5 V @ Id = 250 μA
  • 总栅极电荷 Qg:1.7 nC @ Vgs = 4.5 V
  • 输入电容 Ciss:28 pF @ 25 V
  • 反向传输电容 Crss:4 pF @ 25 V
  • 功耗 Pd:230 mW(封装和环境条件会影响实际允许功耗)
  • 封装:SOT-23
  • 工作温度:-55℃ ~ +150℃

二、特性解读与应用建议

  • 逻辑电平驱动:器件在 Vgs = 4.5 V 时的 RDS(on) 指标提供了可靠的低压导通性能,适合 5V 系统直接驱动。Vgs(th) 约为 2.5 V,意味着在 3.3V 驱动下器件可以导通但 RDS(on) 会显著高于标称值,应根据电流和功耗要求评估实际表现。
  • 低栅电荷:Qg 约 1.7 nC,有利于高速开关应用或单片机直接驱动时减少驱动功耗和提高开关速度。
  • 低电容:Ciss/Crss 较小,利于减少寄生耦合与降低开关损耗,适合高频或数字开关场合。
  • 中等耐压与低电流能力:60 V 耐压配合仅 250 mA 连续电流和 ~230 mW 的功耗能力,使其更适合信号级、控制级或作为驱动级的开关,而不适合作为大功率开关使用。

适用典型场景:

  • MCU/FPGA 的低侧开关或开漏替代器
  • 电平移位与接口隔离(例如 5V 与 3.3V 的限定应用)
  • 负载开关(小继电器驱动、指示灯、低电流电机/致动器的小负载)
  • ESD/保护电路、反相器、快速复位或低功率开关阵列

三、封装与 PCB 布局要点

  • SOT-23 封装体积小,适合空间受限设计。由于 Pd 和 Id 都受封装热阻限制,建议在 PCB 上为该管提供适量的铜箔以增强散热(例如在 GND 或 VIN 区域增加散热铜箔或短路径回流)。
  • 为降低开关过冲与 EMI,门极到驱动端可并联小型栅极电阻(典型 10Ω ~ 100Ω,根据开关速度需求调整)。
  • 若在含感性负载场合使用,应在漏极端并联合适的钳位/续流二极管或 RC 吸收网络,以保护器件免受反向电压或大能量脉冲损伤。
  • 对于高速切换,保持栅极布线短且接地回路紧凑,以减少寄生电感与环路面积。

四、热管理与可靠性提示

  • 标注的耗散功率 230 mW 是在特定散热条件下的额定值,实际允许耗散与 PCB 铜面积、环境温度密切相关。设计时应计算在最大工作电流下的 RDS(on) 产生的 I^2·R 损耗,并保证不超过允许功耗。
  • 建议在高环境温度或连续开关工作下使用足够的散热措施,并进行热仿真或实际测量验证结温。
  • 器件工作温度支持工业级范围 (-55℃ ~ +150℃),适合严苛环境,但长时间高温工作会影响可靠性,应尽量降低结温并避免反复过热循环。

五、选型与替换考量

  • 若需要更低的导通电阻或更高的连续电流能力,应选择 RDS(on) 更低且散热能力更强的封装(如 SMD-8、DFN 等)或更大规格的 MOSFET。
  • 若主要工作在 3.3V 驱动下,应关注该工况下的 RDS(on) 与功耗,并做实验验证。
  • 对于强感性负载与需承受高能量脉冲的应用,应优先考虑具备高浪涌能力和低热阻的器件。

总结:JMTL2N7002KS 在小信号高速开关与低功耗逻辑接口场合表现良好,具有 60V 耐压、低栅电荷与小寄生电容的优点,但其较高的 RDS(on) 与有限的功率与电流能力使其更适合信号级与控制级应用而非大功率场景。设计时应结合 PCB 散热、驱动电压及负载特性进行合理选型与布局。

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