The MMBT3904 is a general-purpose NPN bipolar junction transistor (BJT) housed in a compact SOT-23 SMD package. It is widely used in switching and amplification applications due to its high current gain, low saturation voltage, and fast switching capabilities. Designed for low-power surface-mount designs, this transistor is ideal for signal processing, driver circuits, and general-purpose electronic projects where board space is limited.

Features of MMBT3904 NPN Transistor:

1. General-purpose NPN transistor for low-power applications
2. Fast switching speed suitable for high-frequency operations
3. High current gain (hFE) for improved amplification
4. Low collector-emitter saturation voltage for efficient switching
5. Compact SOT-23 SMD package suitable for dense PCB layouts
6. Ideal for digital and analog switching circuits
7. RoHS compliant and lead-free construction

Specifications of MMBT3904:

• Model: MMBT3904
• Type: NPN BJT
• Collector-Emitter Voltage : 40V
• Collector-Base Voltage: 60V
• Emitter-Base Voltage: 6V
• Collector Current: 200mA
• DC Current Gain: 100 to 300
• Transition Frequency: 250 MHz (typical)
• Package: SOT-23 – SMD
• Operating Temperature Range: -55°C to +150°C

Package Includes:

1 × MMBT3904 Transistor – NPN – SOT-23 SMD Package