ALLNET ALL-BRICK-0039 NPN Bipolar Junction Transistor BC547B TO-92

The ALLNET ALL-BRICK-0039 is a high-quality NPN Bipolar Junction Transistor (BJT) equivalent to the BC547B. Housed in a standard TO-92 package, this through-hole component is designed for general-purpose switching and amplification applications. With a collector-emitter voltage of 45V and a collector current of 100mA, it offers reliable performance for a wide range of electronic circuits.

Advantages

This transistor provides excellent DC current gain (hFE) of 200-450, ensuring consistent amplification. Its low noise figure (2 dB typical) makes it suitable for audio and signal processing. The wide operating temperature range (-55°C to +150°C) guarantees stability in harsh environments. The TO-92 package allows easy integration into breadboards and PCBs.

Suitable for

• General-purpose switching circuits
• Signal amplification in audio and sensor applications
• Hobbyist and educational electronics projects
• Replacement for BC547B in existing designs

Key specifications

• Transistor Type: NPN Bipolar Junction Transistor (BJT)
• Equivalent Model: BC547B
• Package Type: TO-92
• Mounting Type: Through Hole
• Number of Pins: 3
• Collector-Emitter Voltage (Vce): 45 V
• Collector-Base Voltage (Vcb): 50 V
• Emitter-Base Voltage (Veb): 6 V
• Collector Current (Ic): 100 mA
• Power Dissipation (Pd): 625 mW
• DC Current Gain (hFE): 200 - 450 (B-grade)
• Transition Frequency (fT): 300 MHz
• Operating Temperature Range: -55°C to +150°C
• Collector Cut-off Current (Icbo): 100 nA (max)
• Emitter Cut-off Current (Iebo): 100 nA (max)
• Noise Figure (NF): 2 dB (typical)
• Material: Silicon

Recommendations

For optimal performance, ensure proper biasing and heat dissipation. This transistor is a direct replacement for BC547B and is ideal for low-power amplification and switching tasks. Always verify pin configuration before soldering.