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KUU S8550
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU S8550
- Type
- KUU
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- S8550
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 PNP
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.038g
- Electronic Component
- 1
- Electronic Component
- BM0264873511
- Transistor Type
- PNP
- Power Dissipation(Pd)
- 300mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 500mA
- Current (h FE)
- 80
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
S8550 PNP 三极管（KUU，SOT-23）产品概述
一、产品简介
S8550 是一款面向小信号放大与开关应用的 PNP 双极型晶体管，KUU 品牌、SOT-23 封装。本说明基于单只器件（数量：1 个），适合在 低压低功耗电子电路中替代或设计使用。器件在小尺寸外形下提供稳定的电流放大和可靠的开关性能，便于表面贴装制造（SMT）。
二、主要技术参数
- 晶体管类型：PNP
- 集电极电流 Ic：500 mA（最大）
- 集—射击穿电压 Vceo：25 V（最大）
- 功耗 Pd：300 mW（最大）
- 直流电流增益 hFE：≈80（典型值）
- 集电极截止电流 Icbo：1 μA（典型/最大）
- 集电极饱和电压 VCE(sat)：500 mV（在规定偏流下）
- 发—基击穿电压 Vebo：5 V（最大）
- 封装：SOT-23（表面贴装）
三、产品特点
- 小型 SOT-23 封装，适合高密度 SMT 板载安装。
- 500 mA 的集电极电流能力满足中等负载的开关和驱动需求。
- 25 V 的耐压适合常见低压电源系统（3.3V、5V、12V 等）中的信号级应用。
- 典型 hFE≈80，适合电流放大和模拟前级电路使用。
- 低漏电流（Icbo≈1 μA）有利于低静态电流设计以降低待机功耗。
四、典型应用场景
- 低压小功率电源控制与反相驱动。
- 信号放大器、前置级与电平转换。
- LED 驱动、继电器或小型拨动负载的开关元件（注意功耗限制）。
- 便携设备、家电控制板与各类嵌入式系统的通用开关/放大器件。
五、封装与引脚（说明）
封装：SOT-23，便于自动贴片生产。
常见引脚排列（请以具体厂商数据手册为准）：1—基极(B)、2—集电极(C)、3—发射极(E)。在设计 PCB 与焊接前，建议核对 KUU 官方封装图与引脚定义，避免接线错误。
六、选用与注意事项
- 功耗 Pd=300 mW，SOT-23 封装在高电流或高温环境下热耗散有限，实际使用时应考虑良好散热与合理的占空比。
- VCE(sat)≈500 mV，在驱动负载时会有一定压降，应在功耗预算中计算损耗。
- 发—基击穿 Vebo=5 V，禁止在基极施加超过额定电压以免损坏管结。
- 若需在更高功耗或更高温度下长期工作，请选用散热性能更好的器件或更大封装。
- 设计时建议参考制造商的典型特性曲线（hFE 与 Ic、Vce 的关系）以优化偏置与增益。
如需封装图、典型特性曲线、可靠性测试或批量采购信息，可联系 KUU 官方或参考其完整数据手册。
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