WMSIC Electronic Components

Jingdao Microelectronics BAV19WS

ModelBAV19WS
PackageSOD-323
BrandElectronic
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
Electronic BAV19WS
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
BAV19WS
Electronic Component
1
Package
SOD-323
Electronic Component
Switch Diode
Electronic Component
0.028g
Electronic Component
1
Electronic Component
BM0265390931
Current
250mA
Diode
Electronic Component
Current(Ir)
100nA@120V
(Vf)
1.25V@200mA
Power Dissipation(Pd)
500mW
Electronic Component
55℃~+150℃@(Tj)
Electronic Component
Electronic Component

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

晶导微电子BAV19WS开关二极管产品概述

晶导微电子BAV19WS是一款独立式高速开关二极管,采用超小型表面贴装SOD-323封装,专为中低压、高频开关及小功率整流场景设计,具备低导通损耗、高速响应、宽温适应等核心优势,可满足消费电子、工业控制、通信设备等领域的多样化需求。

一、产品基本信息

BAV19WS属于晶导微电子开关二极管系列,核心定位为小功率高速开关器件,关键基础信息如下:

  • 器件配置:独立式单二极管(非串联/并联结构);
  • 封装形式:SOD-323(超小型表面贴装,符合RoHS无铅标准);
  • 品牌:晶导微电子(国内功率半导体领域主流厂商,具备成熟的封装测试能力);
  • 应用场景:覆盖消费电子、工业控制、通信接口等高频/低功耗场景。

二、核心电性能参数解析

BAV19WS的电性能参数经过优化,平衡了开关速度、导通损耗与可靠性,关键参数如下:

1. 导通特性(正向)

  • 正向压降(Vf):1.25V@200mA(典型工作电流下压降稳定,可有效降低导通损耗,减少发热);
  • 整流电流(IF):250mA(连续工作最大电流,满足小功率电源、信号切换的电流需求);
  • 耗散功率(Pd):500mW(最大允许功耗,需注意PCB布局散热,避免结温超过额定值)。

2. 截止特性(反向)

  • 直流反向耐压(Vr):120V(最大反向工作电压,覆盖12V/24V等中低压应用场景);
  • 反向电流(Ir):100nA@120V(极低反向漏电流,显著降低待机功耗,适合电池供电设备);
  • 反向恢复时间(Trr):50ns(高速开关核心参数,支持10MHz以上高频切换,减少开关损耗)。

3. 温度特性

  • 工作结温范围:-55℃~+150℃(宽温设计,适应工业环境的极端温度变化,如户外设备、车载电子场景)。

三、封装与可靠性设计

BAV19WS采用SOD-323封装,是小型化电子设备的主流封装之一,设计优势包括:

  • 尺寸紧凑:本体尺寸1.6×0.8×0.6mm,引脚间距0.65mm,大幅节省PCB空间,适合智能手机、智能穿戴等便携式设备的高密度布局;
  • 贴装兼容性:表面贴装工艺,支持自动化高速贴装,降低生产制造成本;
  • 可靠性保障:封装材料抗潮湿、抗机械应力,结合宽结温设计,确保7×24小时稳定工作(如工业控制设备)。

四、典型应用场景

BAV19WS的参数特性适配多种高频/低功耗场景,核心应用包括:

1. 高速信号切换

  • 适用场景:USB、UART等通信接口的信号切换,数据总线的开关控制;
  • 优势:50ns反向恢复时间,快速完成信号切换,避免信号失真。

2. 小功率整流

  • 适用场景:电池充电器、LED驱动电源等低功耗电源的整流电路;
  • 优势:250mA连续电流+1.25V低正向压降,兼顾整流效率与成本。

3. 续流二极管

  • 适用场景:DC-DC变换器、电机驱动电路的续流保护;
  • 优势:高速反向恢复,减少续流时的电压尖峰与损耗。

4. 箝位/过压保护

  • 适用场景:电子设备的过压箝位、ESD辅助防护;
  • 优势:120V反向耐压+低漏电流,有效抑制瞬态过压,保护后级电路。

5. 工业与车载电子

  • 适用场景:工业传感器、车载仪表盘/传感器接口等模块;
  • 优势:宽结温范围,适应极端温度变化。

五、产品选型优势

对比同类器件(如1N4148、BAV70),BAV19WS具备以下差异化优势:

  1. 低导通损耗:1.25V@200mA正向压降,比部分同类器件低5%~10%,适合低功耗设计;
  2. 高速响应:50ns反向恢复时间,支持高频应用(10MHz以上开关频率);
  3. 宽温可靠性:-55℃~+150℃结温,覆盖工业与车载环境;
  4. 小型化适配:SOD-323封装,满足便携式设备空间需求;
  5. 成本效益:本土化产能,供应稳定且成本合理。

总结

晶导微电子BAV19WS是一款高性价比的独立式高速开关二极管,其低损耗、高速、宽温与小型化特性,可满足消费电子、工业控制、通信等领域的多样化需求。无论是便携式设备的高密度布局,还是工业环境的极端温度应用,BAV19WS均能提供稳定可靠的性能表现,是工程师选型的优质选项。

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