The BD909 is a robust silicon NPN power transistor designed by STMicroelectronics, a global semiconductor leader known for its high-performance electronic components. This transistor is part of the BD9xx series, which is renowned for its efficiency and reliability in a wide range of power applications. The BD909 is particularly suited for use in linear and switching applications.
Key Features
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Versatile Voltage Range: The BD909 is capable of handling collector-emitter voltages up to 60V, making it suitable for various medium to high voltage applications.
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High Current Capability: With a collector current rating of up to 15A, this power transistor can drive significant loads without compromise.
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Power Dissipation: It has an impressive power dissipation capacity of 90W, ensuring that it can handle high power operations with ease.
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Robust Thermal Performance: The BD909 is designed with a robust thermal performance in mind, featuring a junction temperature range from -65°C to +150°C.
Applications
The BD909 transistor is highly versatile and can be found in a variety of electronic circuits. Its typical applications include:
- Power regulators
- Power amplifiers
- Switching circuits
- Motor controls
- Audio amplifiers
Product Specifications
Parameter
Value
Collector-Emitter Voltage (Vceo)
60V
Collector Current (Ic)
15A
Power Dissipation (Pd)
90W
Junction Temperature (Tj)
-65°C to +150°C
The BD909 is available in a TO-220 package, which is widely used and recognized for its ease of installation and solid performance. Whether you are designing a new power circuit or replacing an existing transistor in a repair, the BD909 from STMicroelectronics is a reliable choice that ensures performance and longevity.
