WMSIC Electronic Components

CJ DTA143ZCA

ModelDTA143ZCA
PackageSOT-23
BrandCJ
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
CJ DTA143ZCA
Type
CJ
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJ
Electronic Component
DTA143ZCA
Electronic Component
1
Package
SOT-23
Electronic Component
1 PNP
Electronic Component
Digital Transistor
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0228272270
Resistor
12
Resistor
6.11kΩ
Transistor Type
PNP
Frequency(f T)
250MHz
Power Dissipation(Pd)
200mW
Electronic Component
Electronic Component

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

DTA143ZCA E13 — 数字晶体管产品概述

一、产品简介

DTA143ZCA E13 是江苏长电(CJ/长晶)推出的一款 PNP 数字晶体管,封装为 SOT-23。器件在基区集成了偏置电阻,便于与微控制器和数字逻辑直接接口,实现小电流高侧开关和信号驱动功能。器件适合对体积、成本和装配效率有要求的消费电子、通信及工业控制场合。

二、主要参数

  • 晶体管类型:PNP
  • 直流电流增益 (hFE):80(测量条件 Ic = 10 mA,VCC = 5 V)
  • 集射极击穿电压 Vceo:50 V
  • 最大集电极电流 Ic:100 mA
  • 输出饱和电压 VO(on):约 300 mV(Ic = 5 mA);约 250 mV(更小电流条件)
  • 输入电阻(等效):6.11 kΩ
  • 内置电阻比:12(器件内部偏置网络比值,用于稳定基极偏置)
  • 最小输入电压 VI(on):约 1.3 V(在较大驱动条件);约 0.3 V(在低电流条件)
  • 最大输入电压 VI(off):500 mV(测试条件 IIN = 100 μA,VCC = 5 V)
  • 功耗 Pd:200 mW(SOT-23 封装,注意热限)
  • 封装:SOT-23

三、主要特性与优势

  • 集成基极偏置电阻,减少外部器件数量,便于自动贴片与装配;
  • 适合直接与 MCU 或逻辑输出端连接,减少设计复杂度(注意 PNP 的驱动极性);
  • 低饱和压降,在小电流场合(几 mA)具有良好的导通性能;
  • 50 V 的 Vceo 提供对较高工作电压的容许度;
  • 小型 SOT-23 封装,适合空间受限的电路板设计。

四、典型应用场景

  • 高侧开关:用于驱动 LED、信号指示灯、小型继电器或低功耗执行器;
  • 电平转换与接口保护:作为数字信号的电平隔离或上拉/下拉驱动元件;
  • 移植于便携式与家用电子中,需要减少元器件且要求自动化贴装的场合;
  • 低功率信号放大与电流隔离。

五、使用建议与注意事项

  • PNP 器件为高侧结构:发射极应接正电源(VCC),基极需被拉低以打开器件,使用时注意逻辑极性与 MCU 引脚能否承受相应电压;
  • 热设计:SOT-23 功耗 Pd = 200 mW,长时间大电流工作或高 VCE 情况下需注意结温上升与散热,必要时限制平均电流或采用散热措施;
  • 负载类型:驱动感性负载(如继电器线圈、电机)时应并联合适的续流二极管或吸收元件,防止感性反向电压损坏器件;
  • 验证条件:在最终设计中应依据完整数据手册验证 VO(on)、VI(on/off)、hFE 在目标温度与工作电压下的变化;
  • 引脚与封装:SOT-23 引脚排列以厂方数据手册为准,设计 PCB 布局时注意焊盘与热阻路径。

六、封装与选型提示

DTA143ZCA E13 提供 SOT-23 小封装,适合贴片组装。选型时关注最大集电极电流 100 mA 与功耗限制,若系统存在较高持续电流或更严格的热要求,应选择更大封装或外部功率晶体管。

总结:DTA143ZCA E13 是一款面向小功率、高集成度应用的 PNP 数字晶体管,凭借内置偏置网络和低饱和压优势,能简化电路设计并提高可靠性。使用前请参照原厂完整规格书进行详细电气与热设计验证。

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