WMSIC Electronic Components

TWGMC BAT43W Schottky Diode BAT43W

ModelBAT43W
PackageSOD-123
BrandTWGMC
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
TWGMC BAT43W
Type
TWGMC
Minimum package
3000

Technical parameters

Electronic Component
TWGMC
Electronic Component
BAT43W
Electronic Component
1
Package
SOD-123
Electronic Component
Schottky Diode
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0265826650
Current
200mA
Diode
Electronic Component
Current(Ir)
500nA
(Vf)
450mV@15mA
Electronic Component
55℃~+125℃
Electronic Component
3000
Voltage Rating(Vr)
30V
Surge Current (Ifsm)
2A

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

BAT43W 高速开关二极管产品概述

BAT43W是台湾迪嘉(TWGMC)推出的一款独立式高速开关二极管,采用SOD-123表面贴装封装,凭借低正向压降、宽温适应性及稳定的电气特性,广泛应用于消费电子、工业控制及射频小信号电路等领域。

一、产品基本信息

BAT43W由台湾迪嘉(TWGMC)设计制造,属于单管独立式二极管,核心定位为小信号高速开关器件。其封装形式为SOD-123——一种超小型表面贴装封装,尺寸紧凑(典型规格约1.6mm×0.8mm×0.6mm),无传统引脚设计,仅通过两端焊盘实现PCB焊接,既节省板级空间,又提升了焊接可靠性(减少虚焊风险)。

二、核心电气参数解析

BAT43W的电气参数针对小信号应用做了针对性优化,关键指标及实际意义如下:

1. 正向电气特性

  • 正向压降(Vf):450mV@15mA(25℃)——低正向压降是其核心优势,可减少信号传输中的功耗损耗,尤其适合3.3V、5V等低电压电路,避免电压跌落影响信号完整性;
  • 持续整流电流(If):200mA——满足小电流持续工作需求,适用于低功耗整流(如电池供电设备的辅助整流)或高频开关场景;
  • 非重复峰值浪涌电流(Ifsm):2A(8.3ms脉冲)——能承受瞬间脉冲冲击(如电源上电瞬间的浪涌、静电放电的瞬时电流),提升电路抗干扰能力。

2. 反向电气特性

  • 直流反向耐压(Vr):30V——满足一般小信号电路的反向隔离需求,避免反向电压击穿器件,适用于多数低压电路的反向保护;
  • 反向漏电流(Ir):500nA(25℃,Vr=30V)——极低的反向漏电流可降低静态功耗,适合电池供电(如智能穿戴、物联网终端)等对功耗敏感的场景。

三、环境与可靠性表现

BAT43W的环境适应性符合工业级应用要求,具体表现为:

  • 工作结温范围:-55℃~+125℃——覆盖了工业现场的极端温度(如户外设备、车载周边电路),无需额外温度补偿电路;
  • 存储温度范围:典型-65℃~+150℃(行业常规补充)——可承受长期存储的温度波动,便于供应链的跨季节、跨区域运输与存储;
  • 浪涌与抗干扰:2A非重复浪涌电流及低漏电流设计,可有效抑制瞬间脉冲干扰,减少电路误触发风险。

四、典型应用场景

BAT43W的参数特性使其在多领域具有实用性,常见应用包括:

  1. 高速开关电路:如逻辑门电路的脉冲开关、数字电路的电平转换,低正向压降可加快开关速度(典型恢复时间≤10ns,行业常规补充);
  2. 小信号整流:用于低电压(≤5V)、小电流(≤200mA)的整流电路(如USB接口的5V辅助整流、电池充电接口的涓流整流);
  3. 射频小信号处理:混频器、检波器中的信号整形,其稳定的电气特性适合高频小信号传输(如2.4GHz蓝牙/Wi-Fi电路的辅助滤波);
  4. 消费电子接口保护:手机、平板的充电接口、数据接口,辅助抑制ESD(静电放电)及浪涌干扰;
  5. 工业控制电路:PLC(可编程逻辑控制器)的输入输出接口、传感器信号调理电路,宽温范围适应工业现场的高低温环境。

五、总结

BAT43W作为一款高性价比的高速开关二极管,以SOD-123小型封装、低正向压降、宽温适应性及稳定的电气特性为核心优势,覆盖了从消费电子到工业控制的多场景应用需求。其独立式设计便于灵活集成,适合高密度PCB布局,是小信号电路设计中的常用选型之一,尤其适合对功耗、体积及可靠性有要求的终端产品。

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