WMSIC Electronic Components

YANGJIE BAT54AQ

ModelBAT54AQ
PackageSOT-23
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 BAT54AQ
Type
SOT-23
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BAT54AQ
Electronic Component
1
Package
SOT-23
Electronic Component
0.034g
Electronic Component
1
Electronic Component
BM0264397965
Electronic Component
Electronic Component
Electronic Component
3000
models
BAT54AQ
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.

BAT54AQ 产品概述

BAT54AQ 是一款双二极管器件(1 对共阳极,常称“共阳”或“共阳极”配置),适用于低电压快速整流、信号钳位及保护电路。器件属肖特基结构,具有低正向压降与快速恢复特性(基于 BAT54 系列特性,同时按下列参数工作),可在便携式电源、电平移位、输入防护等场合发挥作用。厂商:YANGJIE(扬杰);封装型号未定(需采购时确认具体封装与引脚定义)。

一. 关键电气参数(依据给定规格)

  • 二极管配置:1 对共阳极(两只二极管的阳极连接在一起)
  • 正向压降(Vf):1.0 V @ 100 mA
  • 直流反向耐压(Vr):30 V
  • 额定整流电流(IF):200 mA(连续)
  • 反向漏电流(Ir):2 µA @ 25 V
  • 工作结温范围:-55 ℃ ~ +125 ℃
  • 非重复峰值浪涌电流(Ifsm):3 A(单次脉冲)
  • 器件类型:肖特基二极管(BAT54 系列)

注:上述数值基于所给参数和 BAT54 系列通用特性。实际器件的典型曲线、封装热阻等信息需参见扬杰(YANGJIE)提供的完整数据手册以作最终设计依据。

二. 特性亮点与设计要点

  • 低正向压降:在小信号和低压差应用中可降低导通损耗与电压降,但在 100 mA 时 Vf 达到 1.0 V,设计时应按此值考虑功耗与热耗散。
  • 低反向漏流:2 µA@25 V 的反向电流适合要求较低静态泄漏的检测与保护电路。
  • 宽工作温度:-55 ℃ 至 +125 ℃,可适用于工业级环境(但长时间在高温下工作需考虑热应力与寿命退化)。
  • 峰值冲击能力:3 A 的非重复峰值浪涌能力允许器件承受短时浪涌(如开机瞬态或电流尖峰),但不得作为长期运行条件。

三. 典型应用场景

  • 低压整流与电源回路:在便携式电源或小电流整流场合,用作低压差整流器或整流桥单元。
  • 信号钳位与电平移位:快速钳位输入信号,防止电压超过逻辑器件承受范围,或实现电平移位保护。
  • 输入反接与瞬态保护:与电阻、电容或 TVS 一起配合,用于防止错误接线或浪涌冲击。
  • 二极管逻辑与混合信号接口:用于阻断/合并信号通路或简单的“或”功能,尤其在空间受限的双二极管封装中便于布局。

四. 布局与热管理建议

  • 引脚与器件间距:确保两条正向电流回路的走线宽且短,以减少串联电阻与局部发热。
  • 散热考虑:尽管器件额定整流电流为 200 mA,长时间在高电流与高环境温度下工作会导致结温上升。建议在 PCB 设计中适当扩展铜箔面积或使用热层,以利散热。
  • 去耦与滤波:在用于开关电源或快速信号环境时,靠近器件放置旁路电容有助于抑制高频振铃与瞬态应力。
  • 焊接与安装:遵循供应商推荐的回流焊温度曲线,避免过高的温度和过长的回流时间以免影响可靠性。

五. 使用注意事项与设计警示

  • 电流与功耗:按 Vf 与 IF 计算功耗(P = Vf × IF);例如 100 mA 时约 0.1 W。长期在高温环境或接近最大额定电流下运行需降额,避免结温过高。
  • 反向电压裕度:额定 Vr 为 30 V,设计时应留有安全裕度,避免在再生、浪涌或负载切换时出现超过 Vr 的瞬态电压。
  • 峰值浪涌限制:Ifsm=3 A 为非重复峰值能力,不可作为频繁脉冲或重复冲击的运行条件。
  • 封装与引脚:当前封装信息未知;不同封装(SOT-23、SOD-523 等)热阻与引脚排列不同,采购前务必确认封装型号与引脚定义以免接错共阳极端。

六. 选型与采购建议

  • 验证型号:BAT54AQ 名称通常标识 BAT54 系列的双二极管变体,“Q” 后缀可能指特定引脚排列(如共阳或共阴)。请向扬杰(YANGJIE)索取完整数据手册与封装图,确认引脚、封装与合格证书。
  • 样品测试:在批量采用前,建议在目标电路中做温升与老化测试,验证在最大工况下的稳态参数与可靠性。
  • 替代与兼容:若需要更低 Vf 或更高电流能力,可考虑其他肖特基或小信号二极管替代件;但需确认漏电流、恢复特性与封装兼容性。

总结:BAT54AQ(YANGJIE)作为一款双肖特基二极管(1 对共阳极),在低压快速整流、信号钳位与输入保护上具有明显优势。设计时应结合给定的 Vf、Vr、IF、Ir 与 Ifsm 参数进行热与电气降额,确认封装与引脚后方可进入产品化应用。

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