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CBI MMBT5551
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CBI MMBT5551
- Type
- CBI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CBI
- Electronic Component
- MMBT5551
- Electronic Component
- 1
- Package
- SOT23
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Electronic Component
- BM0221161413
- Transistor Type
- NPN
- Frequency(f T)
- 300MHz
- Power Dissipation(Pd)
- 300mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 600mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MMBT5551 是一种典型的 NPN 型三极管（双极型晶体管），常用于电子电路中进行信号放大和开关控制。这款三极管的规格非常适合多种应用场景，以下是对 MMBT5551 产品的详细介绍。
1. 产品概述
MMBT5551 三极管具有较好的电气性能，其主要特点包括：
- 功率额定：最大功耗可达 300 mW，适合用于处理一定负载的电子电路。
- 电压承受能力：最大集电极-发射极电压为 160V，使其能够在高电压条件下工作，这对于需要较高电压的应用场合尤其重要。
- 电流承受能力：最大集电极电流为 600 mA，能够满足大多数低到中等功率电子设备的要求。
这种组合使得 MMBT5551 在需求较为广泛的应力环境中表现出色，它既能应对高电压，又能处理相对较大的电流，这使其在许多不同的电子线路中都有良好的适用性。
2. 封装形式
MMBT5551 采用 SOT-23 封装，这种封装尺寸小、重量轻，非常适合应用于现代电子产品中，例如智能手机、平板电脑及其他便携设备。SOT-23 封装的设计确保了良好的散热特性和电气隔离能力，从而有效提高了整体工作稳定性。
3. 应用领域
MMBT5551 被广泛应用于以下领域：
- 信号放大：可以用于音频信号的放大，提升信号强度以驱动后续电路。
- 开关电路：因为其能够处理较大的电流，适合用于驱动继电器、灯光等负载较大的开关电路。
- 线性调节器：作为线性电压调节器中的一部分，确保电压输出稳定。
- 驱动电路：用于驱动电机和其他电气设备，常被用在电动车、家电等领域。
- 开关电源：在开关电源设计中，作为主开关或辅助开关来实现高效率和低噪声。
4. 主要参数
| 参数 | 规格 |
|---|---|
| 封装类型 | SOT-23 |
| 最大功率 | 300 mW |
| 最大集电极电压 (Vce) | 160 V |
| 最大集电极电流 (Ic) | 600 mA |
| 增益（hFE，Vce=10V） | 50-300 |
| 工作温度范围 | -55°C 到 +150°C |
5. 使用建议
在实际应用中，使用 MMBT5551 时应注意以下几点：
- 散热：虽然其最大功率为 300 mW，但在高温环境下工作时应确保充分散热，以避免因过热导致元件损坏。
- 集电极电压：确保最大电压不超过 160V，否则可能会导致击穿情况发生，影响电路正常工作。
- 电流限制：跟据实际负载情况合理选择晶体管，避免超过 600 mA 的集电极电流。
6. 结论
总的来说，MMBT5551 是一款功能强大、应用广泛的三极管。它的高电压、高电流特性使其成为多种电子应用中的理想选择。对于需要空间小且性能可靠的电子电路设计者来说，MMBT5551 将是一个值得信赖的组件选择。
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