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BC817W

Name: BC817W
Rating: 4.7 (12 reviews)

Bipolar Transistors - BJT

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概述

Description

The BC817W is a general-purpose NPN bipolar junction transistor (BJT) widely used in electronic circuits for switching and amplification applications. It features a maximum collector current of 800 mA and a collector-emitter voltage (Vce) of up to 45V, making it suitable for a variety of low to medium power applications.
The transistor is packaged in a compact SOT-23 form factor, which is beneficial for space-constrained designs. Its low base-emitter saturation voltage and high gain (hFE) make it efficient for driving loads and enhancing circuit performance. The BC817W is commonly utilized in audio equipment, consumer electronics, and LED drivers.
With a transition frequency (fT) of approximately 100 MHz, it can also be employed in high-frequency applications. The BC817W is favored for its reliability, availability, and cost-effectiveness, making it a popular choice among hobbyists and engineers alike.

Features

The BC817W is a general-purpose NPN bipolar junction transistor (BJT) commonly used in electronic circuits. Key features include:
1. Voltage Rating: Maximum collector-emitter voltage (Vce) of 45V.
2. Current Rating: Maximum collector current (Ic) of 500mA.
3. Power Dissipation: Typically around 500mW.
4. Gain: High current gain (hFE) range from 100 to 800, depending on the collector current.
5. Frequency: Transition frequency (fT) is approximately 150 MHz, suitable for high-speed applications.
6. Package: Available in a TO-92 package, making it easy to handle and integrate into circuits.
7. Temperature Range: Operating temperature range typically from -55°C to +150°C.
The BC817W is ideal for low-power amplification and switching applications, making it popular in consumer electronics, automotive, and industrial applications. Its versatility and reliability contribute to its widespread use in various electronic designs.

Package

The BC817W is typically available in a SOT-23 package type. This surface-mounted package is small and suitable for various applications in electronic circuits.

Pinout

The BC817W is a general-purpose NPN transistor commonly used for switching and amplification. It has a total of 3 pins. The pin configuration is as follows:
1. Emitter (E): This pin is connected to the emitter region of the transistor, allowing current to flow out when the transistor is in the 'on' state.
2. Base (B): The base pin controls the transistor's operation. A small current applied here allows a larger current to flow from collector to emitter.
3. Collector (C): This pin is connected to the collector region, where the main current flows into the transistor when it is activated.
The BC817W is suitable for low to medium power applications and is widely used in various electronic circuits. It can handle a maximum collector current of 800 mA and has a maximum collector-emitter voltage of 45 V.

Manufacturer

The BC817W is manufactured by Nexperia, a global semiconductor company that specializes in discrete and analog components. Nexperia focuses on producing high-quality semiconductor devices, including transistors, diodes, and integrated circuits. The company was formed as a spin-off from Philips, and it is known for its expertise in high-volume manufacturing, offering reliable and efficient solutions for various applications in consumer electronics, automotive, and industrial sectors. Nexperia's products are designed to meet the demands of modern electronics, emphasizing performance, reliability, and efficiency.

Application

The BC817W is a general-purpose NPN transistor used in various applications, including signal amplification, switching, and voltage regulation. It is commonly utilized in low-power electronic circuits, such as audio amplifiers, LED drivers, and power management systems. Its compact size and reliability make it suitable for consumer electronics, automotive applications, and industrial controls. Additionally, it can be found in digital logic circuits and small motor drivers.

Equivalent

The BC817W is a low-power NPN transistor. Equivalent products include BC547, 2N3904, and 2N2222. These transistors can serve similar purposes in low-power switching and amplification applications, but check specifications for voltage and current ratings to ensure compatibility.