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CJ DTA114EUA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ DTA114EUA
- Type
- CJ
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJ
- Electronic Component
- DTA114EUA
- Electronic Component
- 1
- Package
- SOT-323(SC-70)
- Electronic Component
- 1 PNP
- Electronic Component
- Digital Transistor
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Electronic Component
- BM0226526702
- Operating Temperature
- 55℃~+150℃
- Resistor
- 1
- Resistor
- 10kΩ
- Transistor Type
- PNP
- 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.
DTA114EUA 产品概述
一 产品简介
DTA114EUA 为 CJ（江苏长电/长晶）出品的预偏置数字晶体管（PNP），采用小型 SOT-323（SC-70）封装，集成了基极限流/偏置网络，便于直接与微控制器或逻辑电路接口，实现简单、可靠的高端（PNP）开关功能。器件适合小功率信号和指示负载控制场合。
二 主要性能参数
- 极性：PNP，预偏置（数字晶体管）
- 集射击穿电压 Vceo：50V
- 集电极电流 Ic（最大）：100mA
- 耗散功率 Pd：200mW（封装热限制）
- 直流电流增益 hFE：约30（在 Ic=5mA、VCE=5V 条件下）
- 导通压降 VO(on)：约0.3V（在 Ic=10mA 或 0.5mA 测试条件下）
- 输入电阻：约 10kΩ（内置偏置/限流作用）
- 输入关断电压 VI(off)：约 0.5V（在 Ii=100µA、Vcc=5V 条件下）
- 工作温度范围：-55℃ ～ +150℃
三 典型应用场景
- LED 指示灯和小信号指示负载驱动
- 与单片机/逻辑电平直接接口的高侧开关或反相控制
- 光耦、低功耗继电器、小型执行器等小电流负载驱动（需确认实际电流在 Ic 与 Pd 限值内）
- PCB 上的电平转换、信号翻转与低功耗断路控制
四 使用要点与电路建议
- 作为 PNP 器件，常见用法是将发射极接至较高电位（VCC），集电极至负载再接地；输入通过内置偏置电阻直接由逻辑端驱动，外加元件通常可省略。
- VO(on)≈0.3V 在小电流下表现良好，但在接近最大 Ic 时应检查功耗与温升。
- 注意总耗散 Pd（200mW）和封装热阻限制，应在 PCB 布局中增加散热铜箔以降低结温并避免长期过载。
- 输入关断电压约 0.5V，适合与 3.3V/5V MCU 直接配合，但在噪声环境下建议增加去耦或滤波措施以避免误触发。
五 封装与可靠性提示
SOT-323（SC-70）封装体积小，适合集成密集电路板，但热容量有限。长期在高环境温度或接近最大电流工作时，应做必要的散热设计并留有裕量。符合工业级工作温度（-55℃～+150℃），适合多种严苛环境。
六 选型建议
若需驱动较大电流或在高占空比下工作，建议选择更大功率封装或外接功率晶体管／MOSFET。DTA114EUA 适合功率需求较小、需要简化外围电路的场合；若对开关速度、阈值或内阻有特殊要求，请参考器件完整数据表并在目标电路中做必要验证。
总结：DTA114EUA 提供了体积小、集成化高、易于驱动的 PNP 数字晶体管解决方案，适合各种小功率高端开关与逻辑接口场景，使用时应关注集电极电流与封装耗散限制以保证长期可靠性。
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