Transistor BC559 PNP, 30V, 0.1A TO-92

Transistor BC559 PNP, 30V, 0.1A TO-92

Transistors

Reference: TRBC559

Part.No: BC559

€0.60

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The BC559 is a general-purpose PNP Bipolar Junction Transistor (BJT) in a TO-92 package. Suited for small-signal amplification and low-power switching in audio, sensor and general-purpose DIY circuits.

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Description
Product Details

BC559 PNP Transistor - Reliable Small Signal Switching & Amplification

The BC559 is a PNP complement to the popular BC549 family, widely used wherever a low-power PNP switch or amplifier stage is needed alongside NPN parts. Its TO-92 package and well-behaved gain make it a common choice in audio preamps, level shifters and general hobbyist circuits.

Functions & Applications

PNP Polarity: Complements NPN types like BC549 for push-pull and level-shifting designs.
Standard TO-92 Package: Through-hole, easy to solder on breadboards and prototyping PCBs.
Low-Noise Operation: Suitable for audio preamp and signal-conditioning stages.
Low-Power Switching: Handles small relays, LEDs and logic-level loads reliably.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	PNP
Package / Case	TO-92
Collector-Emitter Voltage (Vceo)	-30V
Max Collector Current (Ic)	-100mA
Power Dissipation (Pd)	500mW
Mounting Type	Through-Hole (THT)

Frequently Asked Questions

Q: What is the complementary NPN part for the BC559?
A: The complementary NPN transistor is the BC549, matching the BC559's voltage and current ratings for symmetric designs.

Q: Can the BC559 be used in audio preamp circuits?
A: Yes, its low noise and stable gain make it a common choice for small-signal audio preamplifier and tone-control stages.

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type: BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel: PNP
Transistor Case Style: TO-92

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