WMSIC Electronic Components

YANGJIE BAT54SQ

ModelBAT54SQ
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

19 specifications

Core information

Product name
YANGJIE BAT54SQ
Type
SOT-23(TO-236)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BAT54SQ
Electronic Component
1
Package
SOT-23(TO-236)
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0264525727
Electronic Component
Electronic Component
Electronic Component
3000
models
BAT54SQ
version
1
prompt_id
15
package_id
42
image_model
gpt-image-2.5-flare
master_path
chengming/packages/42/cm-master-zh/e74d8c7408a72be1112592afb09f1ab1bc8c386755136c62d0329761e186f161.png

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

BAT54SQ 肖特基二极管产品概述

一、产品核心身份与定位

BAT54SQ是扬杰电子(YANGJIE) 推出的小信号肖特基势垒二极管(需明确:用户描述中“普通三极管”为信息偏差,肖特基二极管属于二极管范畴,与三极管结构、功能完全不同)。该器件专为低功耗、小电流场景设计,属于国产优质肖特基二极管,可广泛替代进口同参数型号(如BAT54系列),在消费电子、工业控制等领域具备高性价比优势。

二、关键电气参数与性能特点

BAT54SQ的核心参数围绕“小电流、低损耗、宽温可靠”设计,具体如下:

(1)正向导通特性

正向压降(Vf)为1V@100mA,导通损耗低,适合对电源效率要求较高的电路;平均正向整流电流(IF)为200mA,满足小功率直流供电需求。

(2)反向阻断特性

直流反向耐压(Vr)达30V,可承受常规小信号电路的反向电压;反向漏电流(Ir)仅2uA@25V(25℃环境下),漏电流极小,反向截止性能稳定,避免电路功耗浪费或误触发。

(3)瞬态与温度特性

非重复峰值浪涌电流(Ifsm)为600mA,可应对短时间瞬态电流冲击(如电源上电瞬间);工作结温范围覆盖**-55℃~+125℃**,支持工业级环境(低温、高温工况),同时满足消费电子的常规温度需求。

三、封装与物理特性

BAT54SQ采用SOT-23(TO-236)贴片封装,属于行业标准小封装:

  • 尺寸紧凑(约1.6mm×2.9mm×1.1mm),大幅节省PCB布局空间,适合便携式设备、高密度电路板;
  • 引脚布局符合SOT-23标准(通常1脚为阳极、2/3脚为阴极,具体需参考 datasheet),焊接兼容性强,可通过回流焊、波峰焊实现自动化生产。

四、典型应用场景

基于其小电流、低损耗、小封装的特点,BAT54SQ主要应用于以下场景:

  1. 开关电源续流:低功耗开关电源(如手机充电器、LED驱动)的续流二极管,降低导通损耗;
  2. 信号钳位与检波:高频小信号电路(如射频前端、传感器信号处理)的钳位、检波,响应速度快;
  3. 电源路径管理:便携式设备(平板、智能穿戴)的电源切换、过压保护,不影响电池续航;
  4. MCU周边保护:微控制器(如STM32、51系列)的I/O口过流、反向电压保护,提升系统可靠性;
  5. 工业控制小信号电路:PLC、传感器模块的信号整流、隔离,适应宽温环境。

五、产品优势与市场价值

  1. 效率优势:低正向压降减少导通损耗,提升电路整体效率,尤其适合电池供电设备;
  2. 空间优势:SOT-23小封装支持高密度设计,契合小型化电子设备趋势;
  3. 可靠性优势:宽温范围、低漏电流,满足工业级与消费级双重需求,寿命稳定;
  4. 成本优势:扬杰国产器件,性价比高于进口同参数型号,降低BOM成本。

六、选型与使用注意事项

  1. 参数匹配:需确认电路反向电压不超过30V,平均电流不超过200mA,避免过载;
  2. 瞬态防护:若电路瞬态电流可能超过600mA,需额外增加TVS等防护器件;
  3. 温度管理:高温环境(如125℃)下需注意散热,避免结温超限;
  4. 焊接规范:回流焊峰值温度不超过260℃(持续时间≤10秒),波峰焊温度不超过240℃,防止封装损坏。

综上,BAT54SQ是一款性能均衡的小信号肖特基二极管,在小电流、低损耗、小封装场景中具备突出优势,是扬杰电子针对中低端市场推出的高性价比替代方案。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.