WMSIC Electronic Components

JJW JMTL3401A

ModelJMTL3401A
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JJW JMTL3401A
Type
JJW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JMTL3401A
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.02g
Electronic Component
1
Electronic Component
BM0226338235
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.2W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V

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

JMTL3401A 产品概述

JMTL3401A 是捷捷微(JJW)推出的一款小封装 P 沟道场效应管(P‑MOSFET),采用 SOT‑23 封装,面向便携电源与低压功率管理场景。器件在低驱动电压下具有较低的导通电阻,适合用作高边开关、反向保护与负载断开等应用。

一、主要参数一览

  • 类型:P 沟道 MOSFET(P‑MOSFET)
  • 型号:JMTL3401A(JJW)
  • 漏源电压 Vdss:30 V
  • 连续漏极电流 Id:4.2 A
  • 导通电阻 RDS(on):90 mΩ @ |Vgs| = 2.5 V
  • 耗散功率 Pd:1.2 W
  • 阈值电压 Vgs(th):约 1.3 V @ 250 μA(以 Vgs 绝对值计)
  • 输入电容 Ciss:880 pF @ 15 V
  • 反向传输电容 Crss:65 pF @ 15 V
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOT‑23,单片小型封装,适合高密度 PCB 布局

二、特性与优势

  • 小封装、低阻抗:SOT‑23 封装支持空间受限设计,90 mΩ 的 RDS(on)(在 2.5 V 驱动下)使其在低电压场合有较好的导通损耗表现,适合电池供电或 12 V 系统的高边开关应用。
  • 低驱动电压可用性:在较小的 Vgs 驱动下便能导通,便于和 MCU 或门电路配合(需注意 Vgs 的极性与阈值)。
  • 中等开关速度:Ciss 约 880 pF、Crss 65 pF,适合多数开/关频率不极高的电源切换与保护电路,开关损耗与驱动要求处于合理范围。

三、典型应用场景

  • 高边开关:用于电池或车载系统中对负载的开/关控制(需注意门极电压限制与驱动方式)。
  • 反向电流/反接保护:在电源路径上实现自动隔离或防反接功能。
  • 电源路径选择与能量管理:用于多电源切换、负载隔离等低压功率管理场合。
  • 通用便携设备电源控制:适合手机配件、电源管理模块、便携式仪器等空间受限应用。

四、设计与使用注意事项

  • Vgs 极性与限值:作为 P 沟道器件,导通时 Vgs 为负值(源极电位高于栅极)。用户提供的阈值以绝对值计约 1.3 V。实际驱动时须保证 Vgs 不超出器件允许运行的绝对最大值(产品规范表中若未给出,请在设计中加入限流或限压保护,如串联门极电阻或并联稳压元件)。
  • 热管理与功率耗散:器件 Pd 标称 1.2 W(典型条件下),在实际 PCB 上请通过扩大铜箔散热面积或减小连续损耗的工作点来控制结温;高环境温度下应适当降额使用。
  • 驱动与电磁兼容:Ciss 与 Crss 表明驱动电荷量处于中等水平,驱动电路建议串联门极电阻抑制振荡并控制开关边沿,必要时在门-源间并联小电阻或 TVS 限制瞬态。
  • 焊接与封装处理:SOT‑23 支持常规回流焊工艺,注意焊接热循环及 ESD 防护,避免静电损伤。

五、典型封装与采购建议

JMTL3401A 的 SOT‑23 封装便于自动贴片和小型化设计。选型时若工作电压接近 30 V 或存在大幅瞬态,建议在电路中加入浪涌/瞬态抑制元件,并按实际工作温度/电流对器件进行适当降额。批量采购可向 JJW 授权分销商索取器件完整数据手册与可靠性验证资料以便最终设计确认。

总结:JMTL3401A 在 SOT‑23 小封装中提供了面向低压高边控制的良好性能平衡,适合便携电源管理与高边开关场景,但在门极驱动与热管理上需按实际工况做出合理设计。

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