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ON BC818-40LT1G BC818
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ON BC818-40LT1G
- Type
- ON
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ON
- Electronic Component
- BC818-40LT1G
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Electronic Component
- BM0230138917
- Operating Temperature
- 55℃~+150℃
- Transistor Type
- NPN
- Frequency(f T)
- 100MHz
- Power Dissipation(Pd)
- 225mW
- Electronic Component
- Electronic Component
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：BC818-40LT1G NPN 三极管
一、基本信息
制造商：ON Semiconductor
产品类型：三极管（BJT）
封装：SOT-23-3（TO-236）
零件状态：有源
封装形式：卷带（TR）包装，适合表面贴装应用
二、产品特点
BC818-40LT1G 是一种高性能的NPN型三极管，设计用于多种电子设备的开关和放大应用，尤其适合于在要求较低功率和高增益的场合中工作。它具有以下显著特点：
高电流增益：在Ic = 100mA和Vce = 1V时，BC818的直流电流增益(hFE)最小可达到250，这使其适合用作信号放大器。
高频响应：该组件在高达100MHz的频率下工作，适合用于高频应用，如射频（RF）放大器和无线通信设备。
集电极最大电流：BC818支持最大集电极电流（Ic）为500mA，适用于驱动负载和开关应用。
低饱和电压：当Ic为50mA或500mA时，Vce饱和压降最大值分别为700mV和500mV，体现了良好的开关特性。
高击穿电压：该元件的集射极击穿电压（Vce(max)）为25V，在很多应用中可以提供足够的电压余量，以保证器件的稳定性和可靠性。
宽温度范围：BC818 能够在-55°C至150°C的温度范围内正常工作，适合在各种环境条件下使用。
低集电极电流截止：其最大集电极截止电流（ICBO）为100nA，显示出良好的漏电特性。
三、应用场景
BC818-40LT1G 可广泛应用于多种电子电路中，主要包括：
音频放大器：由于其高电流增益和低噪声特性，BC818非常适合用于音频信号的放大。
开关电路：在各种自动化系统和开关电路中，使用BC818作为开关元件，可以有效驱动负载。
无线通信设备：其高频响应和增益特性使其适用于射频放大器，帮助提高信号的传输质量。
信号调节：在传感器和其他电子设备中，BC818可以用来调节和放大微弱信号。
四、设计注意事项
在设计使用BC818时，建议考虑以下几点：
散热管理：虽然其最大功率为225mW，但在高环境温度或高负载条件下，仍需注意散热设计，以防止器件过热。
电源设计：确保所选电源能够提供所需电流，并考虑到器件的击穿电压，避免因超压而造成的损坏。
PCB布局：在进行表面贴装设计时，应合理布局，引脚尽量短且连线规范，以降低寄生电感和电阻，从而提高电路性能。
五、总结
BC818-40LT1G作为ON Semiconductor推出的一款高性能NPN三极管，凭借其优秀的电流增益、频率响应和温度适应性，广泛应用于音频放大、开关及射频电路。其小巧的SOT-23-3封装使其在紧凑型电子应用中非常受欢迎。在设计中合理利用其特性，定能帮助工程师实现更高效、更可靠的电路解决方案。
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