BC817 NPN general-purpose transistors comes in Surface-Mounted Device (SMD) plastic packages. It is mainly used in General-purpose switching and amplification.

Specifications:-

• Mounting Style: SMD/SMT 
• Package/Case: SOT-23-3 
• Transistor Polarity: NPN 
• Configuration: Single 
• Collector- Emitter Voltage VCEO Max: 45 V 
• Collector- Base Voltage VCBO: 50 V 
• Emitter- Base Voltage VEBO: 5 V 
• Maximum DC Collector Current: 0.5 A 
• Gain Bandwidth Product fT: 100 MHz 
• Maximum Operating Temperature: + 150 C 
• DC Current Gain hFE Max: 250 at 100 mA at 1 V  
• DC Collector/Base Gain hFE Min: 250 at 100 mA at 1 V, 40 at 500 mA at 1 V  
• Minimum Operating Temperature: - 65 C  
• Pd - Power Dissipation: 250 mW