Description

The BC557 is a PNP transistor commonly used in circuits where reverse polarity control is required. It plays an important role in signal inversion stages, push-pull amplifier designs, and low-current switching setups. This component is suitable for managing small loads and forming balanced transistor pairs in analog circuits.

Its compact TO-92 structure allows quick installation in PCB assemblies and prototype boards.

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Features

• Designed for PNP switching and amplification
• Useful in push-pull and complementary circuits
• Handles low-current electronic loads
• Compact TO-92 casing for easy integration
• Suitable for analog and audio circuit stages
• Reliable performance in standard operating conditions

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Specifications

• Part Number: BC557
• Polarity: PNP
• Mounting Type: Through-Hole
• Package: TO-92
• Max Collector Current: 100 mA
• Max Collector-Emitter Voltage: -45 V
• Power Rating: 500 mW
• Typical Gain Range: 110 – 800

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Package Includes

• 1 × BC557 PNP TO-92 Transistor