BC846ALT1G Транзисторы биполярные (BJT) одиночные от ON Semiconductor

The BC846ALT1G is a general-purpose NPN bipolar junction transistor (BJT) manufactured by ON Semiconductor. It is designed for a variety of applications, including switching and amplification in low-power electronic circuits. Here’s a detailed description of its key features and specifications:

Physical Characteristics:

• Package Type: The BC846ALT1G is typically housed in a SOT-23 package, which is a small, surface-mount package that allows for efficient use of board space.
• Dimensions: The SOT-23 package generally measures approximately 2.9 mm x 1.3 mm x 1.1 mm, making it suitable for compact designs.

Electrical Specifications:

• Type: NPN transistor, which means it conducts when a positive voltage is applied to the base relative to the emitter.
• Collector-Emitter Voltage (Vce): The maximum collector-emitter voltage is rated at 50V, allowing it to handle a wide range of applications without breakdown.
• Collector Current (Ic): The maximum continuous collector current is 100 mA, making it suitable for low to moderate power applications.
• DC Current Gain (hFE): The transistor has a DC current gain (beta) ranging from 100 to 600, depending on the collector current, which indicates its efficiency in amplifying current.
• Base-Emitter Voltage (Vbe): The typical base-emitter voltage is around 0.7V when in the active region, which is standard for silicon BJTs.

Performance Characteristics:

• Switching Speed: The BC846ALT1G is capable of fast switching speeds, making it suitable for high-frequency applications.
• Thermal Characteristics: The transistor has a maximum junction temperature of 150°C, which allows it to operate in a variety of thermal environments.
• Power Dissipation: The maximum power dissipation is around 200 mW, which is adequate for many low-power applications.

Applications:

The BC846ALT1G is widely used in:

• Signal Amplification: It can amplify weak signals in audio and radio frequency applications.
• Switching Applications: It is often used in digital circuits for switching tasks, such as turning on/off loads.
• General Purpose: Its versatility makes it suitable for a range of consumer electronics, automotive applications, and industrial controls.

Additional Features:

• Lead-Free: The BC846ALT1G is compliant with RoHS standards, meaning it is free from hazardous substances, making it environmentally friendly.
• Reliability: ON Semiconductor ensures high reliability and quality in its manufacturing processes, making this transistor a dependable choice for engineers.

In summary, the BC846ALT1G from ON Semiconductor is a compact, efficient NPN transistor suitable for a variety of low-power applications, characterized by its robust electrical specifications and versatility in circuit design.