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ST BD140
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ST(STMicroelectronics) BD140
- Type
- ST
- Unit
- Electronic Component
- Minimum package
- 2000 管
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- BD140
- Electronic Component
- 1
- Package
- TO-126
- Electronic Component
- 1 PNP
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 1.45g
- Electronic Component
- 1
- Electronic Component
- BM0000287660
- Operating Temperature
- 65℃~+150℃
- Transistor Type
- PNP
- Power Dissipation(Pd)
- 1.25W
- Electronic Component
- Electronic Component
- Electronic Component
- 2000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
产品概述：BD140 PNP 晶体管
BD140是一款由意法半导体(STMicroelectronics)生产的高性能PNP型晶体管，广泛应用于各种电子电路中。其主要参数包括额定功率为1.25W、集电极电流Ic最大值为1.5A、集射极击穿电压Vce最大值为80V，能够满足较大功率和电流需求的应用场景。此晶体管采用TO-126封装，适合通孔安装，兼具良好的散热性能和稳定性。
结构与封装
BD140采用TO-126封装，具有标准的尺寸和引脚布局，便于与其他元件的组合使用。其设计考虑了电路布线的简便性，适合在不同类型的电路板中集成。在电源管理、音频放大和开关应用中，其封装设计有助于降低热阻，确保晶体管在高负载条件下运行可靠。
电气特性
作为一款PNP型晶体管，BD140的主要电气特性如下：
- 额定功率：1.25W，能够在各种负载条件下保持稳定的工作状态。
- 集电极电流（Ic）：最大值为1.5A，确保可在高电流应用中使用，适合开关和放大电路。
- 集射极击穿电压（Vce）：最高可达80V，提供出色的耐压性能，适合在高压环境下稳定运行。
- Vce饱和压降：在不同的基极电流（Ib）和集电极电流（Ic）条件下，最大饱和压降为500mV @ 50mA和500mA。这一特性极大改善了电路的能效，减少了功耗。
- 截止电流：最大值为100nA（ICBO），配合其他特性使其在关闭状态时具备极低的漏电流，有助于提高电路的整体效率。
增益特性
在不同的Ic和Vce条件下，BD140的直流电流增益（hFE）最小值为40 @ 150mA，2V。这一增益特性使得BD140非常适合用于小信号放大器、电流转换器以及驱动电路等应用。同时，高增益能够在小信号输入下提供大的输出信号，极大提升应用的灵活性。
工作温度
BD140晶体管的工作温度可达150°C(最高结温TJ)，适合在较严苛的环境条件下使用。其高温能力使其能够在不同的工业和消费电子设备中广泛应用，如电动工具、家用电器和汽车电子等。
应用场景
BD140晶体管适用于：
- 音频放大：在音频信号放大器中作为输出级或小信号放大器使用，确保高保真音频输出。
- 开关电路：可用于小型和中等功率的开关电路，控制电动机或继电器的开闭。
- 电流源：因其良好的增益特性，可作为固定电流源在传感器电路中使用。
- 线性电源：在需要稳定电压输出的线性电源设计中，在输出阶段使用BD140进行电压调整。
结论
总体来看，BD140是一款性能优越、可靠性强的PNP型晶体管，因其多种卓越特性及广泛的应用领域，使其成为电子设计师和工程师在选用晶体管时的理想选择。无论是在工业、消费类电子产品，还是在汽车电子中，BD140都能发挥出色，其优良的增益、功率及耐压特性将确保产品的高效运转与稳定性。选择BD140，意味着选择了高性能与高可靠性并存的解决方案。
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