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CBI BC847BW
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CBI BC847BW
- Type
- CBI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CBI
- Electronic Component
- BC847BW
- Electronic Component
- 1
- Package
- SOT-323
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.027g
- Electronic Component
- 1
- Electronic Component
- BM0221031641
- Transistor Type
- NPN
- Frequency(f T)
- 100MHz
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 100mA
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：BC847BW 三极管
一、基本信息
产品名称： BC847BW
类型： 双极性晶体管 (BJT)
配置： NPN
最大集电极电流 (Ic)： 100 mA
最大集电极-发射极电压 (Vce)： 45 V
功耗： 200 mW (在适当散热条件下)
输入电流 (Ib)： 2mA
封装类型： SOT-323
品牌： CBI (创基)
结温范围： -55°C 至 +150°C
二、产品特性
BC847BW 是一款小型、低功耗的 NPN 型双极晶体管，主要用于信号放大和开关控制应用。其低的输入电流和高的增益使其在各种电子电路中都具有良好的性能表现，尤其是在低电压和小信号的应用场景。SOT-323 封装使得该三极管非常适合于空间有限的电路板，尤其是便携式设备和消费电子产品中。
三、应用场景
BC847BW 在现代电子设计中被广泛应用，适合的场景包括但不限于：
信号放大
- 在音频放大器和无线电收发器等应用中，BC847BW 可以用作信号放大器，帮助提高信号的强度，保证信号在传输过程中的完整性。
开关控制
- 由于其良好的开关特性，BC847BW 可用于低功耗开关电路，比如在家电自动化、LED 驱动电路中，以及其他需要控制电流的设备。
射频应用
- 在 RF 放大器和解调器中，BC847BW 可用于增强信号的幅度，确保射频信号的有效传输。
频率计及检测器
- 由于其较高的增益和线性度，BC847BW 也可用于频率计和各种检测器等设备中，帮助提高输出的精确性和稳定性。
四、工作参数与特性
- 典型电流增益 (hFE)： BC847BW 的电流增益范围非常宽，通常在 100 到 400 之间，这使得它在不同负载条件下均能稳定工作，适合多种应用。
- 温度稳定性： 该元件具有良好的温度稳定性，允许在广泛的环境温度下运行，最小化由于温度变化带来的性能漂移。
- 低噪声特性： 由于其设计特点，BC847BW 在信号放大时产生的噪声水平较低，适合对噪声敏感的应用场合。
五、设计考量
在设计电路时，应注意以下几点：
散热管理： 即使其功耗较低，仍需注意散热，确保工作温度在安全范围内，以避免性能下降或损坏。
驱动能力： BC847BW 有一定仅为 100mA 的集电极电流限制，需根据具体的负载要求合理选择和驱动。
电源电压： 需确保电源电压不超过 45V，以避免损坏。此外，2mA 的基极电流要求设计者需仔细选择与其配合的电阻，以实现最佳的放大或开关效果。
综上所述，BC847BW 是一款功能强大且广泛应用的 NPN 三极管，凭借其高增益和低功耗特性，在信号放大与开关控制等多个领域都能发挥出优秀的性能。在设计应用时，合理的参数选择和细致的电路设计能够充分发挥该元器件的优势，为终端产品提供可靠的性能支撑。
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