WMSIC Electronic Components

MCC DTC143ZUA-TP DTC143ZUA

ModelDTC143ZUA-TP
PackageSOT-323
BrandMCC
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
MCC DTC143ZUA-TP
Type
MCC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MCC
Electronic Component
DTC143ZUA-TP
Electronic Component
1
Package
SOT-323
Electronic Component
1 NPN
Electronic Component
Digital Transistor
Electronic Component
0.3g
Electronic Component
1
Electronic Component
BM0264911057
Resistor
10
Resistor
4.7kΩ
Transistor Type
NPN
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.

DTC143ZUA-TP — MCC(美微科)NPN 预偏置数字晶体管产品概述

一、产品概述

DTC143ZUA-TP 是美微科(MCC)推出的一款预偏置 NPN 数字晶体管,封装为小型 SOT-323,适合在空间受限的消费电子和工业控制电路中替代单独的电阻+晶体管组合。器件内部集成了基极偏置电阻,简化了外围电路设计,便于直接与逻辑门、MCU I/O 或开关信号相连,实现开关、驱动和电平移位等功能。

二、主要性能参数

  • 晶体管类型:NPN(预偏置/数字晶体管)
  • 集—射极击穿电压 Vceo:50 V
  • 集电极电流 Ic(最大):100 mA
  • 最大耗散功率 Pd:200 mW
  • 直流电流增益 hFE(典型):80
  • 特征频率 fT:250 MHz
  • 最小输入电压 VI(on):1.3 V(触发导通)
  • 最大输入电压 VI(off):0.5 V(保证关断)
  • 输入电阻(内部基极电阻):4.7 kΩ
  • 电阻比率:10(内部电阻网络比例)
  • 输出电压 VO(on):约 300 mV(导通时)
  • 集—射极饱和电压 VCE(sat):约 300 mV
  • 封装:SOT-323

三、特点与优势

  • 集成基极偏置:内置输入电阻(4.7 kΩ)和电阻比率,使器件可直接与 TTL/CMOS 电平或开关信号驱动,减少外部元件与占位空间。
  • 体积小、封装紧凑:SOT-323 封装适合高密度表贴板设计,便于移动设备和便携式产品应用。
  • 良好的开关性能:fT 高达 250 MHz,适合一般数字信号的快速开关与脉冲驱动。
  • 可靠的耐压与驱动能力:Vceo 50V 与 Ic 100mA,适用于多种中低功率开关场景。
  • 简化电路设计:减少外置电阻数量,便于快速原型与量产布局。

四、典型应用

  • MCU/逻辑电平接口缓冲与驱动(电平位移、反相)
  • 指示灯(LED)驱动(在满足功耗限制下)
  • 中小功率继电器或小型电磁阀驱动(注意电流与功耗限制)
  • 开关信号整形、门控和脉冲放大
  • 空间受限设备中的通用开关元件

五、封装与引脚说明

DTC143ZUA-TP 采用 SOT-323 超小封装,常用于表面贴装。器件内部为预偏置结构,输入端(基极)通过内置电阻与晶体管相连,输出端为集电极,发射极接地。设计 PCB 时请参照厂商数据手册的引脚排列与焊盘规范,以确保可靠焊接与散热。

六、使用建议与注意事项

  • 功率与电流限制:单片耗散功率 Pd 为 200 mW,连续集电极电流不宜超过 100 mA;超过时需采取并联、外置散热或改用更大功率器件。
  • 饱和电压与负载:VCE(sat) 约 300 mV,在对压降敏感的应用中需预留容差。
  • 输入门限与驱动:VI(on) 典型 1.3 V,VI(off) 最大 0.5 V,适配 MCU/逻辑输出时注意电平兼容性及上拉/下拉配置。
  • 高频特性:fT 为 250 MHz,适合快速开关,但在高频环境下要注意寄生与布线完整性。
  • 静电防护与焊接:按常规表贴元件的 ESD 和回流焊规范处理,避免超过器件最大结温与应力。

七、订购信息与替代方案

器件型号:DTC143ZUA-TP,品牌:MCC(美微科),封装:SOT-323。针对更高电流或更大功耗的需求,可选用同类具有更高 Pd 或更大封装(SOT-23 等)的预偏置数字晶体管;在需要更低饱和压降时,可考虑功率级别更高的离散晶体管或专用 MOSFET 驱动器。

如需完整电气特性曲线、引脚图和典型应用电路,请参阅厂商数据手册或提供进一步使用场景,以便给出更具体的设计建议。

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