WMSIC Electronic Components

YANGJIE YJL3134KAE

ModelYJL3134KAE
PackageSOT-523
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 YJL3134KAE
Type
SOT-523
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
YJL3134KAE
Electronic Component
1
Package
SOT-523
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0229968454
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.

YJL3134KAE 产品概述

一、产品简介

YJL3134KAE 是扬杰(YANGJIE)推出的一款小功率 N 沟场效应晶体管,封装为超小型 SOT-523。器件额定耐压为 Vdss = 20V,适用于 低压电源开关、便携式设备负载控制与电平转换等对体积与开关损耗敏感的应用场景。该管在低电压栅驱下表现良好,适合对空间和功耗有严格要求的系统。

二、主要规格亮点

  • 类型:N 沟道 MOSFET(单通道)
  • 漏源电压 Vdss:20V
  • 导通电阻 RDS(on):700 mΩ @ Vgs = 1.8V
  • 连续漏极电流 Id:500 mA
  • 功耗 Pd:180 mW(封装限制相关)
  • 阈值电压 Vgs(th):1.1V @ Id = 250 μA
  • 输入电容 Ciss:56 pF;输出电容 Coss:20 pF;反向传输电容 Crss:2.5 pF
  • 栅极电荷 Qg:1 nC @ 4.5V
  • 封装:SOT-523(超小型贴片)

三、性能解读与设计要点

  • 低电压栅驱适配:RDS(on) 在 Vgs = 1.8V 时为 700 mΩ,表明在 1.8V 驱动下便能开启,适合由单节锂电或低压逻辑直接驱动,但并非超低阻应对大电流场景。
  • 开关损耗与驱动需求:Qg 约 1 nC(4.5V),Ciss/Coss/Crss 值较小,开关快速且驱动能量低,适合频繁开关和电池供电场合。
  • 热耗与最大功率:封装 Pd = 180 mW,SOT-523 热阻较大,器件在高功率或连续大电流条件下容易受限。设计时必须考虑 PCB 散热及电流限流,必要时采用并联或更大封装器件。

四、典型应用

  • 手机/可穿戴等便携设备的电源管理与负载开关
  • 低压电平转换与接口保护
  • 小电流继电/驱动场合的低侧开关
  • USB/电池供电系统中作为开关或防反接元件(需配合外围电路)

五、PCB 与使用建议

  • 布局:SOT-523 无大面积散热引脚,尽量靠近负载布局并增大 PCB 铜箔面积以改善散热;如空间允许,可在焊盘下方/周围加大铜皮并使用多层铜铺。
  • 栅极保护:建议在栅极串联小阻(10–100 Ω)抑制振铃,并在需要时加 TVS 或 Zener 做过压保护。
  • 驱动与开关速率:若希望降低开关损耗与 EMI,可适当控制上升/下降时间;小 Qg 使外部驱动器负担轻,但仍需考虑驱动脉冲的能量。
  • ESD 与可靠性:微小封装对焊接与搬运敏感,注意防静电与回流焊温度规范,遵循厂家推荐的封装和焊接条件。

六、选型与替代考虑

当应用电流接近或超过数百毫安、或需更低导通阻抗时,应考虑更大封装或更低 RDS(on) 的器件。若系统栅极驱动电压能到 4.5–10V,可选用在高 Vgs 下 RDS(on) 更低的 MOSFET;反之,若严格受限于板面积与驱动能力,YJL3134KAE 在小功率低压场景中具有良好性价比。

以上为 YJL3134KAE 的要点汇总,供电路设计与选型参考。若需更详细的温度特性曲线、封装尺寸或完整电气规格,请参考厂方 Datasheet。

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