产品概览
The S8550 from Jiangsu Changjiang Electronics Technology (JCET/JCET) is a PNP general-purpose bipolar junction transistor in a TO-92 through-hole package. With 25V VCEO, 1.5A IC, and high current gain, it is widely used as a low-side PNP switch for relay driving, motor control, and power switching in consumer electronics and educational projects.
主要规格
| 类型 | PNP Bipolar Junction Transistor |
| VCEO (Collector-Emitter) | 25V |
| VCBO (Collector-Base) | 40V |
| VEBO (Emitter-Base) | 6V |
| IC (Continuous Collector Current) | 1.5A |
| hFE(直流电流增益) | 85-300 (classified by grade C/D/E) |
| VCE(sat) | 0.5V max @ 500 mA, 50 mA |
| fT (Transition Frequency) | 200 MHz |
| 功率耗散 | 1W (at TC=25°C) |
| 工作温度 | -55°C to +150°C (junction) |
| 包装 | TO-92 (through-hole) |
特点
- High current capability: 1.5A continuous collector current
- Three gain grades: C (85-160), D (120-200), E (160-300)
- Complementary NPN type: S8050
- Low saturation voltage for efficient switching
- 200 MHz transition frequency
- TO-92 package for easy prototyping
- Extremely low cost, widely available
应用
- PNP low-side switch for relay and solenoid driving
- Small DC motor speed control
- LED and buzzer driver
- Audio amplifier output stage (push-pull with S8050)
- General-purpose switching and amplification