WMSIC Electronic Components

KUU KBAT54S-7-F

ModelKBAT54S-7-F
PackageSOT-23
BrandKUU
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
KUU KBAT54S-7-F
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
KBAT54S-7-F
Electronic Component
1
Package
SOT-23
Electronic Component
Schottky Diode
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0264548717
Current
200mA
Diode
1
Current(Ir)
2uA@25V
(Vf)
1V@100mA
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
30V

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

KBAT54S-7-F 肖特基二极管产品概述

KBAT54S-7-F是KUU品牌推出的一款1对串联式肖特基二极管,采用SOT-23小型贴片封装,专为低压小电流场景设计,兼顾了小体积、低功耗与快速响应特性,广泛适用于便携式设备、射频电路等领域。

一、产品核心身份与封装特征

该器件属于通用型肖特基二极管范畴,核心为2只肖特基二极管串联的结构设计,封装采用行业标准SOT-23(典型尺寸1.6mm×1.0mm×0.8mm),具有以下封装优势:

  • 体积紧凑:适配高密度PCB布局,尤其适合手机、蓝牙耳机、智能手环等便携式设备的小型化需求;
  • 贴片式设计:支持回流焊工艺,生产效率高,适合批量自动化组装;
  • 引脚兼容性:与多数SOT-23封装器件引脚定义一致,替换或升级时无需调整PCB。

二、关键电性能参数详解

KBAT54S-7-F的电性能参数针对低压小电流场景做了针对性优化,核心参数如下:

1. 正向压降特性

在100mA正向电流下,总正向压降为1V——这是2只肖特基二极管串联后的典型值(单管肖特基正向压降通常为0.3~0.5V)。该压降稳定,温度系数小(约-2mV/℃),可用于需要特定正向压降的钳位、偏置电路。

2. 反向耐压与漏电流

  • 直流反向耐压(Vr)30V:可承受最高30V的反向电压,满足多数5V/12V低压电路的反向保护需求;
  • 反向漏电流(Ir)2μA@25V:在25V反向电压下,漏电流仅为2μA,远低于普通硅二极管(通常μA级到mA级),有效降低待机功耗,延长电池续航时间。

3. 整流电流能力

额定直流整流电流200mA:可稳定承载200mA的连续正向电流,适合小功率整流(如5V/100mA电源输出)、续流(如小电机驱动回路)等场景。

三、典型应用场景

结合参数特性,KBAT54S-7-F的核心应用场景包括:

1. 便携式设备电源管理

  • 手机、智能手表的充电回路续流:200mA电流满足充电接口的反向保护与续流需求;
  • 蓝牙模块的电源滤波:利用肖特基的快速响应特性,抑制电源纹波。

2. 低压电路过压/过流保护

  • 传感器接口保护:防止静电放电(ESD)或反向电压损坏温度、压力传感器;
  • 通信接口钳位:如UART、I2C总线的信号过冲钳位,避免芯片引脚损坏。

3. 射频与高速信号处理

  • 射频前端的信号调制:肖特基无反向恢复时间(ns级),适合100MHz以上的高速信号传输;
  • 时钟电路的整形:利用正向压降稳定的特性,实现时钟信号的偏置与整形。

4. 小功率整流电路

  • 5V/12V小功率电源的二次整流:200mA电流可满足LED驱动、小型单片机供电等需求。

四、设计优势与价值

相比同类产品,KBAT54S-7-F具有以下设计优势:

1. 低功耗与长续航

反向漏电流仅2μA,在待机状态下几乎不消耗额外功率,尤其适合电池供电的便携式设备,可延长单次充电续航时间10%~15%(实际取决于电路设计)。

2. 快速响应与高频适配

肖特基二极管无反向恢复时间,可避免高速电路中的开关损耗,提升信号完整性,适用于100MHz以上的高频应用。

3. 成本效益与可靠性

  • 通用型设计:无需定制,可直接替换同类SOT-23封装的肖特基二极管;
  • 宽温范围:工作温度覆盖-55℃~125℃,满足工业级与消费级设备的环境需求;
  • 高可靠性:串联结构提升了反向耐压的稳定性,降低了单管失效风险。

五、选型与使用注意事项

为确保器件性能与寿命,使用时需注意以下几点:

1. 降额设计

  • 电流降额:实际应用中连续正向电流建议不超过150mA(降额25%),峰值电流不超过300mA(1s脉冲);
  • 电压降额:反向电压建议不超过24V(降额20%),避免过压损坏。

2. 温度管理

  • 工作温度:常温下(25℃)性能最优,高温场景(>85℃)需进一步降额(电流降额至100mA);
  • 散热:SOT-23封装散热面积小,需避免在密集发热区域使用,必要时增加PCB铜箔散热。

3. 静电防护

肖特基二极管对静电敏感(人体静电可达到几千伏),生产、组装过程中需采用ESD防护措施:

  • 操作人员佩戴防静电手环;
  • 器件存储在防静电袋中;
  • 焊接时使用接地烙铁。

总结

KBAT54S-7-F作为一款1对串联式肖特基二极管,以小体积、低功耗、快速响应为核心优势,覆盖了便携式设备、低压电路保护、高速信号处理等多场景需求。其参数优化与成本效益使其成为消费电子、工业控制等领域的高性价比选型。

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