WMSIC Electronic Components

ROHM DTA114EKAT146

ModelDTA114EKAT146
PackageSOT-346
BrandROHM
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

20 specifications

Core information

Product name
ROHM DTA114EKAT146
Type
ROHM
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ROHM
Electronic Component
DTA114EKAT146
Electronic Component
1
Package
SOT-346
Electronic Component
1 PNP
Electronic Component
Digital Transistor
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0000286827
Operating Temperature
55℃~+150℃
Resistor
1.2
Resistor
13kΩ
Transistor Type
PNP
Frequency(f T)
250MHz

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

DTA114EKAT146 产品概述

概述

DTA114EKAT146 是一款由日本著名半导体制造商 ROHM(罗姆)生产的数字晶体管,适用于各种电子电路应用。该晶体管属于 PNP 型预偏压晶体管,具备优良的性能参数,特别是在小功率信号放大与开关应用中表现突出。其额定功率为 200mW,最大集电极电流(Ic)为 50mA,适合需要低功耗和高效能的电路设计。

基本参数

1. 理论性能:

  • 额定功率:200mW,这一功率范围使得该晶体管非常适合小型便携电子设备如手机、传感器及其他低功耗设备。
  • 集电极电流(Ic):最大可达 50mA,支持多种应用场景,能够满足普通信号放大或开关控制的需求。
  • 集射极击穿电压(Vce):最高可达 50V,确保在较高电压条件下仍能稳定工作,适合大多数常见电源电压的应用。

2. 饱和压降与电流增益:

  • Vce 饱和压降:在 Ic 为 500µA 和 10mA 时,最大饱和压降为 300mV,提供良好的开关效率。
  • DC 电流增益(hFE):在 5mA 和 5V 条件下,最小 hFE 为 30,说明其具有良好的放大能力。

频率特性

DTA114EKAT146 的跃迁频率为 250MHz,这使得其能够在高频应用中保持良好的性能,如 RF 放大器和开关电源模块。在数字电路中,较高的频率特性对于取样和开关速度至关重要,因此该晶体管可广泛应用于数据通信、时钟生成及脉冲信号处理等领域。

设计与安装

DTA114EKAT146 的安装类型为表面贴装型(SMD),采用封装形式为 SMT3,兼容 TO-236-3、SC-59 和 SOT-23-3 封装。这种封装方案允许其在大规模电路板上进行自动化贴装,提高了生产效率和电路的可靠性。

电阻器应用:

  • 基极电阻(R1):10 kOhm
  • 发射极电阻(R2):10 kOhm

合理配置基极与发射极电阻有助于稳定工作点,改善晶体管的高频响应,降低信号失真,并确保优化的增益。

应用场景

DTA114EKAT146 特别适合用于以下应用:

  • 信号放大:可以作为低功率放大器,用于音频放大、传感器输出恢复等。
  • 开关控制:在电子开关、继电器驱动、灯光控制系统等场合均能有效应用,通过电子控制实现安全性和高效能。
  • 数码设备:在各种数码设备(如计数器、显示器驱动电路)中扮演关键角色,尤其在要求低功耗和微型化设计的应用中大放异彩。

结论

总的来说,DTA114EKAT146 是一款性能卓越、适应性强的数字晶体管,凭借其高频特性、合理的功率等级及小巧的封装设计,成为现代电子设计中不可或缺的一部分。设计工程师在选择该器件时,可以充分考虑其在高频信号处理、小功率电压控制和数字电路中的广泛应用潜力。ROHM 作为全球知名的半导体制造商,其产品的可靠性与性能得到了业界的广泛认可,DTA114EKAT146 将是电子工程师理想的选择。

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