BD180 PNP Transistor Pinout Datasheet

Introduction

The BD180 is a PNP silicon power transistor widely used in audio amplifier output stages, power regulation, and switching applications. It belongs to the BD17x family, which includes BD176 and BD178, and is designed for medium to high-power amplification. With its robust structure and high voltage tolerance, the BD180 ensures stable performance in demanding applications requiring reliable linearity and low noise characteristics.

The BD180 is a PNP silicon power transistor widely used in audio amplifier output stages, power regulation, and switching applications. It belongs to the BD17x family, which includes BD176 and BD178, and is designed for medium to high-power amplification. With its robust structure and high voltage tolerance, the BD180 ensures stable performance in demanding applications requiring reliable linearity and low noise characteristics.

BD180 PNP Transistor

This transistor is known for its maximum collector-emitter voltage (Vce) of -80V and collector current (Ic) of -3A, making it suitable for circuits operating at higher voltages and currents. The BD180 is encapsulated in a TO-126 package, which provides excellent heat dissipation and long-term reliability. It performs exceptionally well in class AB audio amplifier configurations, ensuring minimal distortion and maximum efficiency.

Pinout of BD180

Key Features

• PNP silicon transistor for high-performance audio and power circuits
• High collector-emitter voltage tolerance
• Excellent linear response with low harmonic distortion
• Strong current handling capability for medium to high-power designs
• Designed for use in output stages and driver amplifiers
• Reliable thermal and electrical stability in TO-126 package

Specifications/Characteristics

• Collector-Emitter Voltage (Vce): -80V
• Collector-Base Voltage (Vcb): -80V
• Emitter-Base Voltage (Veb): -5V
• Collector Current (Ic): -3A
• Power Dissipation (Ptot): 12.5W
• DC Current Gain (hFE): 40 to 250
• Transition Frequency (fT): 3 MHz (typical)
• Operating Junction Temperature: -65°C to +150°C
• Package Type: TO-126

Pin Configuration

Comparison Summary of BD176, BD178, BD180

• The BD176 transistor is the standard PNP power transistor in the BD17x series, designed for general-purpose audio amplification and medium-power switching applications, with a collector-emitter voltage rating of -45V and collector current of -3A.
• The BD178 is an upgraded version of BD176, offering a higher voltage tolerance of -60V, which makes it more suitable for circuits requiring greater output voltage handling and improved reliability under higher stress conditions.
• The BD180 represents the high-end model in this PNP family, featuring a collector-emitter voltage of -80V and enhanced power dissipation capability, making it ideal for high-voltage and higher power amplifier stages.
• In terms of frequency response, all three have a similar transition frequency around 3 MHz, but BD180 provides slightly better performance at higher loads.
• From a pairing perspective, BD176 pairs with BD175, BD178 pairs with BD177, and BD180 pairs with BD179, forming complementary NPN-PNP transistor sets designed for symmetrical audio or power amplification circuits.
• Overall, the BD176 is suited for medium-power applications, BD178 is preferred when higher voltage handling is required, and BD180 is the best choice for high-voltage, high-power audio amplifier or switching designs.

More Circuit Layouts

Key Applications of BD180 PNP Transistor

• Audio amplifier output and driver stages
• Power switching circuits
• DC-DC converter and regulator circuits
• Signal amplification and control circuits
• Class AB and Class B push-pull amplifier configurations
• Industrial and automotive power control systems

NPN Complimentary Transistor

• The NPN complementary transistor for BD180 is BD179.

Equivalent Transistors of BD180 PNP Transistor

• BD176
• BD178
• BD140
• 2N4037
• MJ2955 (for higher current handling)

(Pin configuration of some transistors mentioned here may different from BD180).

Datasheet of BD180 PNP Transistor

Click the following Button below to download the datasheet of BD180 Transistor :

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