WMSIC Electronic Components

YANGJIE BAS40-04Q BAS40

ModelBAS40-04Q
PackageSOT-23(TO-236)
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 BAS40-04Q
Type
SOT-23(TO-236)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BAS40-04Q
Electronic Component
1
Package
SOT-23(TO-236)
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0266056928
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.

BAS40-04Q 高速开关二极管产品概述

一、产品核心定位

BAS40-04Q是扬杰科技(YANGJIE)推出的SOT-23封装小信号高速开关二极管,主要面向高频小电流整流、逻辑电路开关及工业级宽温环境应用,是同类进口器件(如BAS40-04系列)的高性价比国产替代方案。其设计兼顾低功耗、高可靠性与小体积,适配便携式设备、电源管理及工业控制等多场景需求。

二、关键电气参数解析

产品参数直接决定应用适配性,以下是核心参数的实际意义与价值:

2.1 正向导通特性

  • 正向压降(Vf):1V@40mA
    正向导通时压降仅1V,在小信号二极管中属于低功耗水平,可有效降低电路的导通损耗,尤其适合电池供电的便携式设备(如手机、智能穿戴),延长续航时间。

2.2 反向隔离特性

  • 直流反向耐压(Vr):40V
    反向耐受电压达40V,满足多数低压电路的反向隔离需求(如DC-DC转换器的续流回路、信号钳位电路);
  • 反向漏电流(Ir):200nA@30V
    反向漏电流极低(仅200纳安),确保电路在反向偏置时信号完整性,避免漏电流导致的功耗增加或信号失真,适用于高精度模拟电路。

2.3 电流承载能力

  • 直流整流电流(Io):120mA
    持续工作电流支持120mA,可满足多数小功率电源电路的整流需求;
  • 非重复峰值浪涌电流(Ifsm):600mA
    瞬时浪涌耐受能力达600mA,能应对电路启动时的瞬时过流(如电容充电尖峰),提升产品可靠性。

2.4 温度适应性

  • 工作结温:-55℃~+150℃
    覆盖工业级宽温范围,可在极端环境(如户外设备、车载电子的低温启动、高温工作场景)稳定运行,无需额外降额设计。

三、封装与物理特性

BAS40-04Q采用SOT-23表面贴装封装,具有以下优势:

  • 小体积:标准SOT-23封装尺寸约为2.9mm×1.6mm×1.1mm,大幅节省PCB空间,适配高密度电路设计(如智能手机主板、微型控制器模块);
  • 自动化兼容:符合表面贴装工艺要求,支持回流焊、波峰焊等自动化生产流程,降低制造成本;
  • 引脚兼容性:3引脚设计(通常引脚2为阳极,引脚1/3为阴极),与同类进口器件引脚一致,便于直接替换。

四、典型应用场景

基于参数特性,BAS40-04Q的核心应用场景包括:

  1. 高频小电流整流:DC-DC转换器的续流二极管、开关电源辅助电源整流;
  2. 高速开关电路:逻辑门电路的信号钳位、数据总线的切换开关;
  3. 过压保护:配合电阻构成简单过压防护电路,保护敏感电子元件(如MCU、传感器);
  4. 便携式设备:智能手机、平板、智能穿戴的电源管理模块;
  5. 工业控制:PLC(可编程逻辑控制器)的输入输出接口、传感器信号处理电路。

五、竞争优势与替代价值

相较于同类进口器件(如NXP BAS40-04),BAS40-04Q的核心优势在于:

  • 成本优势:国产替代方案,价格比进口品低30%-50%,降低整机BOM成本;
  • 供货稳定:扬杰科技具备成熟产能,可满足批量订单需求,避免进口器件的供货周期波动;
  • 参数匹配:所有关键参数(Vf、Vr、Ir、温度范围)与进口品完全兼容,无需调整电路设计即可直接替换;
  • 可靠性验证:通过工业级可靠性测试(温度循环、湿度老化),符合GB/T 14023标准,可替代进口品用于工业级产品。

六、使用注意事项

为确保产品稳定运行,需注意以下要点:

  1. 电流降额:持续工作电流建议不超过100mA(降额20%),瞬时浪涌不超过600mA(非重复);
  2. 电压限制:反向电压不超过40V,避免反向击穿;
  3. 散热设计:结温需控制在150℃以内,高密度PCB布局时需预留散热空间;
  4. ESD防护:二极管为静电敏感元件,生产、测试过程中需采用ESD防护措施(接地工作台、离子风扇);
  5. 焊接规范:回流焊温度不超过260℃(时间≤10秒),波峰焊温度不超过240℃(时间≤5秒)。

综上,BAS40-04Q凭借低功耗、宽温适应性与高性价比,成为小信号二极管领域的实用选择,可广泛应用于消费电子、工业控制等多领域。

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