BCX54 45V 1A NPN Transistor – SOT-89 | Hottech

The SOT-89-3 Package NPN Transistor series from Hottech is designed for medium-power amplification and switching applications. With collector-emitter voltage (BVCEO) ranging from 10V to 100V and collector current capability from 1A to 3A, these transistors offer reliable performance in compact designs.

Featuring high current gain (hFE: 100–800), low saturation voltage, and efficient thermal performance, these devices are suitable for power control and signal amplification in various electronic systems.

These transistors are widely used in electric tools, smart curtains, massagers, and other consumer electronics requiring stable switching and amplification.

✅ Key Features

• NPN bipolar transistor technology
• Voltage range: 10V to 100V
• Collector current: 1A to 3A
• High current gain (hFE: 100–800)
• Low saturation voltage
• Compact SOT-89-3 package
• Good thermal performance
• High reliability and durability

✅ Applications

• Electric tools
• Smart curtain systems
• Massagers
• Power switching circuits
• Signal amplification
• Consumer electronics