WMSIC Electronic Components

Hottech BAT54WS

ModelBAT54WS
PackageSOD-323
BrandHottech
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
Hottech BAT54WS
Type
HOTTECH
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOTTECH
Electronic Component
BAT54WS
Electronic Component
1
Package
SOD-323
Electronic Component
Schottky Diode
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0264463953
Current
200mA
Diode
1
Current(Ir)
2uA@25V
(Vf)
1V@100mA
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
21V

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

BAT54WS 开关二极管产品概述

BAT54WS是合科泰(Hottech)推出的一款小型表面贴装开关二极管,采用SOD-323封装,针对低压小电流电路的开关、整流、续流等场景优化,具备低正向压降、小漏电流、高可靠性等特点,广泛应用于便携电子、通信设备等领域。

一、核心电气参数深度解析

BAT54WS的关键参数精准匹配低压小功率电路需求,具体如下:

1. 正向电气特性

  • 正向压降(Vf):1V@100mA:导通状态下电压损失低,可减少电路功耗,尤其适合电池供电的便携设备;在100mA典型工作电流下保持稳定,无需额外降压补偿。
  • 连续正向电流(IF):200mA:支持长期连续工作的最大电流,满足多数小功率负载(如LED指示、小信号驱动)的需求;短时间内可承受更高浪涌,提升电路抗脉冲能力。

2. 反向电气特性

  • 直流反向耐压(Vr):21V、最大反向工作电压(VR):30V:反向阻断能力覆盖常见低压电源(5V、12V系统)的反向电压场景,避免电路反向击穿;
  • 反向漏电流(Ir):2μA@25V:反向状态下漏电流极小,可降低待机功耗,提升电路效率,尤其适合低功耗设计;
  • 非重复峰值浪涌电流(Ifsm):600mA:能承受瞬间脉冲电流(如电感续流、电源瞬变),避免过流损坏,增强电路可靠性。

二、封装与功率特性

1. 小型化封装

BAT54WS采用SOD-323封装,尺寸仅约1.6mm×0.8mm×0.6mm,属于超小型表面贴装封装,可大幅节省PCB空间,适配高密度电路设计(如智能手机主板、智能穿戴设备)。封装引脚间距合理,焊接工艺兼容性强,适合自动化贴装生产。

2. 低功耗设计

  • 最大功耗(PD):200mW:满足长期连续工作的功率限制,结合低正向压降,整体功耗远低于传统二极管,符合绿色环保与低功耗趋势;
  • 工作温度范围:支持-55℃至+150℃(合科泰产品可靠性验证覆盖此范围),适应宽温环境应用。

三、典型应用场景

BAT54WS的参数特性使其在多类场景中具备优势:

1. 开关电路

作为开关二极管,其低正向压降与快速开关特性(BAT54系列属于高速开关二极管)可实现小信号的快速通断,适合高频控制电路(如通信模块的信号切换)。

2. 续流二极管

在电感负载电路(如继电器线圈、DC-DC转换器的电感)中,可快速续流以抑制反向电动势,保护开关管与其他器件;600mA浪涌电流能力可应对电感释放的瞬间脉冲。

3. 小信号整流

用于低压小电流电源的整流(如5V/100mA级别的辅助电源),200mA连续电流与30V反向电压满足多数低压整流需求,漏电流小提升效率。

4. 钳位保护电路

利用1V正向压降,对信号进行钳位(如防止后级电路过压),避免敏感器件(MCU、传感器)因电压过高损坏,提升系统抗干扰能力。

5. 便携电子设备

封装小、功耗低的特点,使其成为智能手机、蓝牙耳机、智能手环等便携设备的理想选择,适配高密度主板设计。

四、品牌与可靠性说明

合科泰(Hottech)作为国内半导体器件制造商,BAT54WS经过严格可靠性测试:

  • 符合RoHS、REACH等环保标准,无铅焊接兼容;
  • 反向漏电流、浪涌能力等参数一致性好,批量应用稳定性高;
  • 产品覆盖消费级与工业级应用,部分批次支持宽温环境(-55℃至+150℃)。

五、选型参考要点

若需选择BAT54WS,需结合以下要点:

  • 电流需求:适合连续电流≤200mA、瞬间浪涌≤600mA的场景;
  • 电压范围:反向电压≤30V,正向压降1V,适合低压系统;
  • 封装要求:需SOD-323小型封装,节省PCB空间;
  • 对比同类产品:与BAT54A(DO-35封装)、BAT54C(SOT-23封装)相比,BAT54WS封装更小,适合高密度设计;若需更高电流(如300mA),可考虑其他型号。

总结:BAT54WS是一款高性价比的小型开关二极管,以低功耗、小封装、高可靠性为核心优势,广泛适配低压小电流电路的各类应用场景,是便携电子、通信设备等领域的理想选型。

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