WMSIC Electronic Components

PANJIT PJE8405_R1_00001

ModelPJE8405_R1_00001
PackageSOT-523
BrandPANJIT
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT PJE8405_R1_00001
Type
PANJIT
Minimum package
4000

Technical parameters

Electronic Component
PANJIT
Electronic Component
PJE8405_R1_00001
Electronic Component
1
Package
SOT-523
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.019g
Electronic Component
1
Electronic Component
BM0265820281
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
300mW
Electronic Component
4000
Voltage(Vdss)
30V
Capacitor(Ciss)
137pF
Gate (Qg)
1.6nC@15V

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

PANJIT PJE8405 P沟道MOSFET产品概述

PJE8405是台湾强茂(PANJIT)推出的一款小功率P沟道MOS场效应管,专为低功耗便携设备、高密度电源管理等场景设计,采用超小型SOT-523封装,兼顾小体积、低损耗与宽温适应性,是消费电子、小型工业模块的理想开关器件。

一、核心参数全解析

作为定位小功率应用的MOSFET,PJE8405的参数聚焦效率与空间优化,关键指标清晰匹配主流低电压场景:

1.1 电性能核心参数

  • 耐压与电流能力:漏源击穿电压(V₍DSS₎)30V,满足3.7V/5V电池供电需求;连续漏极电流(I₍D₎)500mA,覆盖LED、微型电机等小负载驱动。
  • 导通损耗控制:导通电阻(R₍DS(on)₎)990mΩ@V₍GS₎=-1.8V,低驱动电压下仍保持低损耗,提升电池续航。
  • 开关特性:栅极电荷量(Q₉)1.6nC@V₍GS₎=-15V,输入电容(C₍ISS₎)137pF、反向传输电容(C₍RSS₎)10pF,开关速度快,适配高频切换。
  • 阈值兼容性:栅源阈值电压(V₍GS(th)₎)1.3V@I₍D₎=250μA,与常见MCU(如STM32、蓝牙芯片)输出电平兼容,无需额外驱动电路。

1.2 封装与功率特性

  • 封装形式:SOT-523超小型贴片封装(1.6×1.6×0.8mm),引脚间距0.65mm,比常规SOT-23缩小近50%,节省PCB空间。
  • 功率耗散:最大耗散功率(P₍D₎)300mW,连续满负载下需通过PCB铜箔辅助散热。

1.3 温度与可靠性

  • 工作温区:-55℃+150℃,覆盖工业级(-40+85℃)与极端环境场景。
  • 合规性:符合RoHS无铅标准,ESD抗干扰能力满足HBM 2000V、MM 200V。

二、产品设计优势

PJE8405针对小功率应用痛点,实现效率、体积、兼容性平衡:

2.1 低导通损耗延长续航

990mΩ导通电阻在同封装产品中处于优势,5V供电、500mA负载下导通损耗仅约0.25W,远低于传统三极管,可延长蓝牙耳机、智能手环等设备单次充电使用时间。

2.2 超小封装适配高密度布局

SOT-523封装适合紧凑设备(如无线耳机充电盒、智能手表主板),可与蓝牙芯片、传感器紧密排列,减少整机体积。

2.3 宽栅极驱动简化设计

阈值电压1.3V的设计,使得MCU输出-2V即可完全导通,无需专用驱动芯片,降低BOM成本与电路复杂度。

三、典型应用场景

PJE8405的参数特性使其在三大领域广泛应用:

3.1 便携电子设备

  • 蓝牙耳机/音箱:电源切换(休眠时切断音频模块供电)、LED状态灯驱动;
  • 智能手表/手环:心率传感器电源控制、屏幕背光通断。

3.2 低功耗电源管理

  • 电池保护电路:过放/过充保护开关管;
  • 升压/降压转换器:5V转3.3V电路的同步整流管;
  • 待机电流控制:切断WiFi、GPS等外设电源,降低MCU待机功耗。

3.3 小型负载驱动

  • 微型电机控制:智能门锁微型电机、玩具车小电机;
  • LED驱动:键盘背光、指示灯阵列开关;
  • 电平转换:3.3V系统与5V外设的电平匹配。

四、应用注意事项

为确保稳定工作,需注意以下细节:

  1. 栅极驱动:V₍GS₎控制在-2V~-10V,避免超过-20V最大限值;
  2. 散热设计:连续工作时,PCB需预留≥10mm²铜箔连接漏极引脚;
  3. 静电防护:装配时使用防静电手环/台,避免栅极损坏;
  4. 负载限制:连续电流≤500mA,脉冲电流(如电机启动)≤1A。

总结

PJE8405是强茂针对小功率、高密度、低功耗场景推出的高性价比MOSFET,以超小封装、低导通电阻、宽温特性为核心优势,覆盖便携电子、电源管理等主流应用。其参数均衡、兼容性强,可有效简化设计、降低成本,是同类产品中的实用选择。

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