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ROHM SST2222AHZGT116
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ROHM SST2222AHZGT116
- Type
- ROHM
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ROHM
- Electronic Component
- SST2222AHZGT116
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.029g
- Electronic Component
- 1
- Electronic Component
- BM0228210713
- Operating Temperature
- 55℃~+150℃
- Transistor Type
- NPN
- Frequency(f T)
- 300MHz
- Power Dissipation(Pd)
- 200mW
- 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.
SST2222AHZGT116 产品概述
一、产品简介
SST2222AHZGT116 是一款 ROHM（罗姆）品牌的 NPN 双极晶体管，采用 SOT-23 小型封装，面向便携与空间受限的电路设计。器件在低压下能提供高达 600mA 的集电极电流能力，适合做高频开关与小功率功率放大应用。
二、主要电气参数
- 晶体管类型：NPN
- 最大集电极电流（Ic）：600 mA
- 集-射极击穿电压（Vceo）：40 V
- 最大耗散功率（Pd）：200 mW（封装限制）
- 直流电流增益（hFE）：35 @ 100 µA, 10 V
- 特征频率（fT）：300 MHz
- 集电极截止电流（Icbo）：100 nA
- 集-射极饱和电压（VCE(sat)）：约 300 mV（饱和时）
- 射-基极击穿电压（Vebo）：6 V
- 工作温度范围：-55 ℃ ～ +150 ℃
- 封装：SOT-23
三、关键特性与优势
- 高频特性良好：fT 约 300 MHz，适合用于高频小信号放大与快速开关。
- 低漏电流：Icbo 仅 100 nA，可在微弱偏置下保持低静态漏流。
- 低饱和压降：VCE(sat) 约 300 mV，有利于在开关应用中降低功耗。
- 宽工作温度与稳健的击穿电压，适应工业级环境要求。
- SOT-23 小封装便于表面贴装，适配高密度 PCB 设计。
四、典型应用场景
- 低压高速开关电路，如驱动继电器、LED、光耦等。
- 小功率功率放大器与射频前端的增益级（受限于功耗与热设计）。
- 电源管理及逻辑电平转换。
- 便携设备、消费类电子及工业控制中通用开关/驱动元件。
五、使用建议与注意事项
- 热设计：器件 Pd=200 mW，SOT-23 封装散热有限。持续在 Ic=600 mA 工况下工作时，需保证 VCE(sat) 接近 0.3 V 或采取良好 PCB 散热（加大铜箔面积、热过孔）以避免过热。若负载导致较高 VCE，应降低平均电流或采用并联/外部散热更好的器件。
- 驱动与基极限流：为保证开关饱和，通常采用强迫 β（Ic/Ib）约 10～20；在 Ic=600 mA 时相应基极电流较大，应通过前级驱动器提供或选择更合适的功率晶体管。
- 安全余量：设计时建议留出电压与功率裕度，避免长时间接近最大额定值以延长可靠性。
- 静电与防潮：SOT-23 器件需按常规静电防护和潮湿敏感等级处理与回流焊工艺控制。
六、封装与采购信息
- 封装：SOT-23，适合自动贴装生产线。
- 品牌：ROHM（罗姆）。
- 适配替代方案时，注意对比 Vceo、Ic、Pd 与 VCE(sat) 等关键参数以确保替换兼容。
总结：SST2222AHZGT116 在小尺寸封装下提供较高的集电极电流能力与良好的高频性能，适合多种开关与低功耗放大应用。但因封装功耗限制，需重视热管理与基极驱动设计以确保长期可靠运行。
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