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YANGJIE DTC114EUA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
13
specifications
Core information
- Product name
- YANGJIE DTC114EUA
- Type
- SOT-323
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YANGJIE
- Electronic Component
- DTC114EUA
- Electronic Component
- 1
- Package
- SOT-323
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Electronic Component
- BM0234563074
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
DTC114EUA 产品概述
一、功能概览
DTC114EUA 是一款带预偏置和内置二极管的 NPN 数字晶体管，集成了基极限流电阻与保护元件，减少外部元件数目，便于与单片机及逻辑电路直接接口。该器件适用于驱动小电流负载、指示灯、光电隔离器输入等场合，兼顾体积小、使用方便的特点。
二、主要参数
- 极性：NPN（预偏置）
- 集—射极击穿电压 Vceo：50 V
- 集电极电流 Ic（最大）：100 mA
- 功耗 Pd（最大）：200 mW
- 直流电流增益 hFE：约 30（条件：Ic=10 mA, VCE=5V）
- 最小输入电压 VI(on)：3.0 V（保证导通）
- 输出饱和电压 VO(on)：约 300 mV @ Ic=10 mA；约 300 mV @ Ic=0.5 mA （典型）
- 输入电阻（内置基极电阻）：约 13 kΩ
- 电阻比率：1（器件内部阻值配置参数说明）
- 工作温度范围：-55 ℃ ~ +150 ℃
- 封装：SOT-323（小型封装）
- 品牌：YANGJIE（扬杰）
三、典型应用场景
- 单片机输出驱动：直接驱动 LED、蜂鸣器（小电流型）、继电器驱动器的前级放大等；
- 信号整形与电平移位：将逻辑信号电平转换为开关输出，便于与较高电压侧电路连接；
- 限制外围元件：内置基极电阻省去外部限流电阻，简化电路设计与布局；
- 保护场景：内置二极管可抑制反向电压或部分吸收感性负载的回冲能量（具体需根据负载类型验证）。
四、使用建议与注意事项
- 输入门槛 VI(on)=3.0V，适合 3.3V/5V 逻辑驱动；若用于低于 3V 的逻辑电平（如 1.8V），可能无法可靠导通，需验证或改用低阈值器件。
- 最大集电极电流为 100 mA，但封装与功耗限制（Pd=200 mW）要求在持续工作时限制电流和注意热散。建议在 Ic 较大时增加散热铜箔或降额使用。
- 若用于驱动感性负载（继电器、线圈、马达等），尽量在外部并联合适的整流/吸收二极管或 RC 抑制网络，依赖内部二极管可能不足以保证长期可靠性。
- 在高速开关或频繁切换场景下，关注开关损耗与热应力，必要时进行热仿真与测量。
- PCB 布局上，推荐将集电极散热铜箔适当加大，且靠近器件引脚放置旁路/吸收元件以降低寄生。
五、封装与采购提示
SOT-323 小封装有助于高密度布板与便携类产品应用，购买时请确认制造批次与管脚标识，必要时索取 datasheet 与样片进行功能验证。DTC114EUA 由扬杰（YANGJIE）生产，适合批量贴片与自动化装配。
总结：DTC114EUA 是一款适合简化驱动电路、节省外围元件的预偏置 NPN 数字晶体管，适用于多数 3.3V/5V 控制系统的小功率开关场合。使用时需关注功耗、散热与感性负载的保护处理，以确保长期可靠性。
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