WMSIC Electronic Components

YANGJIE BAT54WSQ

ModelBAT54WSQ
PackageSOD-323(SC-90)
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 BAT54WSQ
Type
SOD-323(SC-90)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BAT54WSQ
Electronic Component
1
Package
SOD-323(SC-90)
Electronic Component
0.027g
Electronic Component
1
Electronic Component
BM0265844165
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.

BAT54WSQ 肖特基二极管产品概述

一、产品基本定位

BAT54WSQ是扬杰电子(YANGJIE)推出的独立式肖特基二极管,采用超小型表面贴装封装SOD-323(SC-90),属于小功率半导体器件范畴。该产品针对低电压、高密度电路设计,兼顾低导通损耗与小型化需求,广泛适配便携式电子、电源管理等领域,是替代进口同类产品的高性价比选择。

二、关键电气参数详解

BAT54WSQ的核心参数围绕肖特基二极管的低损耗特性展开,具体如下:

1. 正向压降(Vf):1V@100mA

正向压降是肖特基二极管的核心优势——相比普通硅二极管(小电流下Vf≥0.7V,但实际低电流工况下VF更高),BAT54WSQ在100mA正向电流下仅需1V压降,能有效降低导通损耗。例如在5V电源电路中,压降仅占输出电压的20%,避免因压降导致的输出不足,提升电源效率。

2. 直流反向耐压(Vr):30V

该参数决定二极管反向截止的最大电压,30V的耐压值可覆盖大多数便携式设备(如手机、蓝牙耳机)的电源电压范围,满足反向极性保护、整流电路的反向截止需求,无需额外串联高压器件。

3. 整流电流(If):200mA

持续工作的最大正向电流为200mA,适用于小功率整流场景(如辅助电源、信号整流)。实际应用建议采用80%降额设计(即≤160mA),避免长期过载导致器件老化。

4. 反向漏电流(Ir):2uA@25V

反向漏电流是二极管反向截止时的漏电流,BAT54WSQ仅2uA(25℃环境下),远低于普通硅二极管,可减少反向功耗。例如在智能手环等电池供电设备中,能有效延长待机时间。

5. 非重复峰值浪涌电流(Ifsm):600mA

该参数表示单次短时间内(毫秒级)可承受的最大正向电流,600mA的浪涌能力可应对电源启动瞬间的突发脉冲,但需注意:此为“非重复”参数,不可重复施加,需配合保险丝等保护电路。

三、封装与物理特性

BAT54WSQ采用SOD-323(SC-90)封装,具有以下特点:

  • 超小型化:尺寸约1.6mm×0.8mm×0.6mm,仅占用极小PCB空间,适配高密度电路设计(如手机主板、智能穿戴设备);
  • 表面贴装:2引脚设计,兼容回流焊、波峰焊工艺,焊接效率高,适合自动化生产;
  • 无铅环保:符合RoHS标准,满足现代电子设备的环保要求,无铅焊接兼容性好。

四、典型应用场景

结合参数特性,BAT54WSQ主要应用于以下场景:

  1. 低电压电源整流:3.3V/5V开关电源的次级整流、USB充电电路的整流模块;
  2. 便携式电子设备:蓝牙耳机、智能手表、手环的电源管理与反向极性保护;
  3. 高频信号整流:因肖特基二极管恢复时间快(典型ns级,为肖特基本性),可用于高频信号的检波、整流(如射频电路辅助整流);
  4. 小功率保护电路:电池反向极性保护、电路过压保护的辅助器件;
  5. 消费电子配件:充电器、移动电源的小功率整流模块,适配轻量化设计需求。

五、性能优势总结

  1. 低损耗高效:低正向压降减少导通损耗,低反向漏电流降低静态功耗,提升电源效率;
  2. 小型化适配:SOD-323封装满足便携式设备的空间限制,适合高密度PCB设计;
  3. 可靠性稳定:扬杰电子的成熟工艺保证产品一致性,浪涌能力应对突发工况,长期工作稳定性好;
  4. 成本优势:国产品牌替代进口,性价比高,适合批量应用(如家电、消费电子批量生产)。

六、应用注意事项

  1. 电流降额:持续工作电流建议不超过160mA(80%降额),避免过载损坏;
  2. 浪涌限制:不可重复施加Ifsm(600mA),需配合过流保护电路(如保险丝、PTC);
  3. 温度影响:肖特基二极管反向漏电流随温度升高而增加(典型每10℃翻倍),高温环境(≥85℃)需进一步降额(如≤120mA);
  4. 焊接规范:回流焊峰值温度≤260℃,焊接时间≤10秒,避免高温损坏器件;波峰焊需注意引脚浸润性,防止虚焊。

BAT54WSQ作为扬杰电子的小功率肖特基二极管,凭借低损耗、小型化与高可靠性,成为低电压电路的优选器件,广泛适配现代电子设备的轻量化、高密度需求。

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