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BLUE ROCKET DTA114EKA
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BLUE ROCKET DTA114EKA
- Type
- BLUE ROCKET
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BLUE ROCKET
- Electronic Component
- DTA114EKA
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 PNP
- Electronic Component
- Digital Transistor
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Electronic Component
- BM0233262412
- Resistor
- 1
- Transistor Type
- PNP
- Frequency(f T)
- 250MHz
- Power Dissipation(Pd)
- 200mW
- 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.
DTA114EKA 数字晶体管（PNP）产品概述
一、器件简介
DTA114EKA 为 BLUE ROCKET 出品的数字晶体管，封装为 SOT-23，内部集成基极限流电阻，适用于需要简单直接驱动控制的高端侧（PNP）开关场景。该器件以小体积与方便驱动著称，便于电路板空间受限的应用。
二、主要参数（依据提供数据）
- 晶体管类型：PNP
- 集-射击穿电压 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：30（条件：Ic=5 mA，Vce=5 V）
- 最小输入电压 VI(on)：3 V（条件：Ib 或参考 10 mA），另列 0.3 V（见具体测试条件）
- 最大输入电压 VI(off)：500 mV（条件：Iin=100 μA，Vcc=5 V）
- 输出导通压 VO(on)：300 mV（条件：Ic=10 mA），在小电流（0.5 mA）时亦有标注
- 电阻比率：1（表示内部限流电阻配置的相对比值）
说明：上述多项指标带有特定测试条件，使用时请结合实际电路工作点核对。
三、典型应用场景
- 低功耗小电流的高端侧开关与驱动，例如对小信号继电器、指示灯或逻辑电平源的上拉/供电控制。
- 单片机输出直接控制场景，减少外部限流元件数量，简化 PCB 布局。
- 电平移位和开漏替代方案，在需要 PNP 源极输出的接口处可提供方便的电平驱动。
四、使用建议与注意事项
- 注意功耗与散热：Pd=200 mW，持续接近或超过时需考虑散热或限制集电极电流，避免封装过热。
- 电压与电流极限：Vceo=50 V 与 Ic(max)=100 mA，应在安全裕量内工作，避免瞬态过压或浪涌电流。
- 驱动电平匹配：依据 VI(on)/VI(off) 的测试条件调整驱动器电平与基极电阻，确保可靠导通与关断。
- 在高频切换或大电流脉冲场合，需评估瞬态性能与封装热阻对可靠性的影响。
五、封装与 PCB 布局提示
SOT-23 小型封装适合密集布线，但散热能力有限。布线时建议：
- 将集电极和散热路径靠近外层铜箔，增加焊盘面积；
- 避免在高功耗运行下将器件夹在热不易散出的区域；
- 对于开关噪声，适当加旁路电容与吸收元件。
六、选型参考
若系统需要更高的集电流或更大功耗，应选用功率更高的封装或外部驱动器。若追求更小导通压或更高 hFE，可比较同类数字晶体管的增益与 VO(on) 指标。DTA114EKA 在小体积、高电压耐受与集成限流方面具有占优的平衡，适合中低功耗、高端侧开关应用。
如需引脚定义、典型应用电路或更详细的测试曲线，建议查阅器件完整规格书或向供应商索取器件数据手册。
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