WMSIC Electronic Components

HXY MOSFET DTC114ECA

ModelDTC114ECA
PackageSOT-23
BrandHXY MOSFET
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HXY MOSFET DTC114ECA
Type
HXY MOSFET
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
DTC114ECA
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Digital Transistor
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0258662195
Operating Temperature
55℃~+150℃
Resistor
1
Resistor
10kΩ
Transistor Type
NPN
Frequency(f T)
250MHz
Power Dissipation(Pd)
200mW

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

DTC114ECA 产品概述

一、产品简介

DTC114ECA 是华轩阳电子(HXY MOSFET)推出的一款数字晶体管(内置基极电阻的 NPN 晶体管),采用常见的 SOT-23 小封装。器件设计用于驱动与开关控制类应用,集成了输入限流电阻,简化外围电路并提高抗误接能力,适合与 MCU、逻辑电平或传感器直接接口。

二、主要参数

  • 晶体管类型:NPN(数字晶体管,内置基极电阻)
  • 集-射击穿电压 Vceo:50 V
  • 最大集电极电流 Ic:100 mA
  • 耗散功率 Pd:200 mW(封装级别)
  • 直流电流增益 hFE:约 30(测量条件 Ic=5 mA,VCE=5 V)
  • 导通压降 VO(on):典型 300 mV(参考工作点)
  • 输入电阻(内置):约 13 kΩ(输入端到基极的等效阻抗)
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOT-23,便于表面贴装

三、性能与特点

  • 内置基极电阻,减少外部元件,节省 PCB 面积,降低装配复杂度。
  • 适度的电流增益(hFE ≈ 30),在中小电流驱动场合能保证可靠开关性能。
  • 50 V 的耐压能力使其可在较高电压侧进行开关控制,扩展到多种电源场景。
  • 小型 SOT-23 封装适合空间受限的便携与消费类电子设备。
  • 容许工作温度宽,适应工业级温度要求。

四、典型应用

  • 单片机 I/O 到小负载(LED、继电器驱动前级、低功率蜂鸣器)接口驱动。
  • 电平转换与信号整形(将低电流逻辑信号驱动到较高电压侧负载)。
  • 开关矩阵、开关阵列中用作低功耗开关单元。
  • 通用保护与复位电路的开关元件。

五、使用建议与注意事项

  • 虽然 Ic 上限为 100 mA,但受限于 Pd=200 mW,长时间连续工作时应避免接近最大电流,以免过热。建议在实际应用中保持较低的平均功耗或采用与 PCB 散热配合的方案。
  • VO(on) 与实际导通电流、基极电阻和温度有关,设计时应预留足够的压降裕量。
  • 输入端已集成电阻(约 13 kΩ),适合直接与 3.3V/5V MCU 输出相连;如需更大驱动电流或更快开关速度,可在外部并联降低基极阻值(注意限制基极电流)。
  • 在高温环境或频繁开关场合,需评估功耗与热平衡,必要时选用外部散热或降载方案。

六、封装与焊接建议

SOT-23 小封装适合回流焊工艺。焊盘设计应遵循厂家推荐的 PCB land pattern,保证焊点可靠性。对于需要手工焊接的样板测试,注意控制温度和时间以免损伤封装或内部结构。

七、可靠性与环境适应

工作温度范围宽(-55℃~+150℃),适合工业级使用场合。器件在合理使用条件下可提供稳定的开关性能,但建议在高温或高电流工况下进行完整的热-电仿真与寿命评估。

总结:DTC114ECA 是一款适合中低电流开关、可直接与逻辑电平接口的数字 NPN 晶体管,凭借内置基极电阻和 SOT-23 小封装,在空间受限、设计简化和成本敏感的项目中具有较高实用性。

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