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SHIKUES BC817
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SHIKUES BC817
- Type
- SHIKUES
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SHIKUES
- Electronic Component
- BC817
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.035g
- Electronic Component
- 1
- Electronic Component
- BM0222297988
- Transistor Type
- NPN
- Frequency(f T)
- 150MHz
- Power Dissipation(Pd)
- 300mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 500mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BC817 产品概述
一、基本信息
BC817是一款NPN型双极性晶体管（BJT），封装形式为SOT-23，适用于多种电子应用。它的主要电气特性包括最大功耗300mW，最大耐压45V，以及最大集电极电流500mA。这种器件广泛应用于放大电路和开关电路中，尤其适合低功耗应用场合。
二、产品特性
结构与封装
BC817采用SOT-23封装，这种封装小巧轻便，适合在面积有限的电路板上使用。SOT-23是表面贴装技术（SMT）中常见的封装类型，能有效降低PCB的空间占用。电气参数
- 功耗 (Ptot): 最大功耗为300mW，意味着它能够在较高负载下稳定工作。
- 集电极-发射极最大电压 (Vce): 最多可承受45V的电压，可以适应较高的工作环境。
- 集电极电流 (Ic): 高达500mA的集电极电流使其在需要相对大电流条件下运行成为可能。
工作特性
BC817的开关速度快，适合用于高频率的应用，且其开关特性使其在数字电路和模拟电路中都能发挥良好性能。该器件的增益（h_FE）在一定的工作条件下可达到100至800，提供良好的村量放大能力。
三、应用场景
信号放大
BC817常用于信号放大器，能够增强弱信号并提高其增益，广泛应用于音频放大、电流驱动等场合。开关电路
由于其优秀的开关特性，BC817常用于开关电路中，能够快速切换开关状态，适合用于继电器驱动或小型电机的控制。LED驱动
BC817可以在LED照明、指示灯等应用中 驱动负载。它的高电流处理能力使其能够驱动多个LED串联以达到所需亮度。电路保护
在某些情况下，BC817可以用作过压、过流保护电路的一部分，帮助保护其他敏感组件免受损坏。
四、优势与局限性
优势
- 小型化: SOT-23封装使BC817在空间有限的电路中更加友好，便于集成在密集的PCB设计中。
- 高效能: 低功耗和高电流处理能力使得BC817在多种应用中都有出色表现，满足现代电子产品对功耗和效率的高要求。
局限性
- 电压限制: 最高工作电压限制在45V，对于一些高压应用可能不适用，需要选择电压更高的替代产品。
- 热管理: 在长时间高负载下使用时，需注意热管理，以避免由于过热导致的性能下降或损坏。
五、结论
BC817作为一款优秀的NPN型双极性晶体管，其小巧的SOT-23封装、良好的电气性能以及多样化的应用场景，使其成为现代电子设计中不可或缺的组件之一。了解其特性并合理应用，将有助于优化电路设计和提高整体系统性能。无论是用于信号放大、开关控制还是LED驱动，BC817都能够提供可靠的解决方案，成为工程师设计电路时的重要选择。
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