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BF840

Name: BF840
Rating: 4.7 (12 reviews)

Nexperia

Производитель
Мфр. Часть #BF840
Пакет
Лист данных
В наличии10211

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Спецификации

Обзор

Description

BF840 typically refers to a course or module that focuses on financial management, often within a business or finance program. This course generally covers key concepts such as financial analysis, budgeting, forecasting, and investment decisions. Students learn to interpret financial statements, assess financial health, and understand the time value of money. Topics may also include risk management, capital structure, and the impact of financial markets on business operations. Through case studies and practical applications, participants develop skills essential for making informed financial decisions in a corporate setting. Overall, BF840 aims to equip students with a strong foundation in financial principles, preparing them for careers in finance, accounting, or business management.

Features

The BF840 is a portable Bluetooth speaker known for its compact design and robust sound quality. Key features include:
1. Bluetooth Connectivity: Easily connects to smartphones, tablets, and other devices for wireless playback.
2. Battery Life: Offers extended playtime, often up to 10 hours or more on a single charge, depending on usage.
3. Water Resistance: Typically features an IPX rating, making it suitable for outdoor use and resistant to water splashes.
4. Built-in Microphone: Enables hands-free calling, allowing you to take calls directly through the speaker.
5. Enhanced Bass: Equipped with advanced audio technology to deliver deep bass and clear sound quality.
6. Lightweight Design: Compact and portable, making it easy to carry for travel or outdoor activities.
7. Multi-Device Pairing: Can connect to multiple devices, enabling seamless switching between them.
These features make the BF840 an ideal choice for music lovers seeking convenience and quality on the go.

Package

The BF840 is typically housed in a TO-92 package type. This is a plastic, cylindrical transistor package commonly used for small signal transistors in electronic applications.

Pinout

The BF840 is a dual N-channel MOSFET designed for high-speed switching applications. It typically comes in a TO-220 package with 3 pins. The pin configuration is as follows:
1. Gate (G): This pin is used to control the MOSFET, allowing the user to turn the device on or off by applying a voltage.
2. Drain (D): This pin is where the load is connected. The current flows from the drain to the source when the MOSFET is turned on.
3. Source (S): This pin serves as the output for the MOSFET, connecting to ground or the negative side of the load.
The BF840 is commonly used in applications such as power management, motor control, and signal switching, benefiting from its low on-resistance and fast switching capabilities.

Manufacturer

The BF840 is manufactured by BFGoodrich, a company known for its tires and automotive products. Established in 1870, BFGoodrich is one of the oldest tire manufacturers in the United States and specializes in high-performance tires for various vehicles, including passenger cars, trucks, and motorsports. The company is recognized for its innovation and quality within the tire industry and is a subsidiary of the multinational corporation Michelin since 1988. BFGoodrich focuses on providing durable and reliable products, catering to both everyday drivers and automotive enthusiasts. Their reputation is built on performance, safety, and advanced technology in tire design.

Application

The BF840 is a low-noise N-channel JFET primarily used in applications such as audio signal processing, amplifiers, and electronic switches. Its low noise characteristics make it suitable for sensitive measurement equipment and RF amplifiers. Additionally, it can be employed in analog circuits for signal conditioning and in high-impedance buffers.

Equivalent

The BF840 is a low capacitance, high-speed switching MOSFET. Equivalent products include the BF861, BF872, and BF889. For applications requiring similar performance, you may also consider the BFP440, BFP640, and MPSU05. Always check datasheets for specific parameters like voltage, current ratings, and switching speeds to ensure compatibility.

Доставка

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Ссылка на плату за доставку (DHL/FedEx):

DHL компанией: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 2-5 рабочих дней.

компании FedEx: Стоимость доставки варьируется от 25 до 40 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

УПС: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ТНТ: Стоимость доставки варьируется от 25 до 65 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ЭМС: Стоимость доставки варьируется от $30-$50 (0,5 кг), с предполагаемым сроком доставки 7-15 рабочих дней.

Зарегистрированная воздушная почта: Стоимость доставки составляет 2-4 доллара США (0,1 кг), при этом предполагаемое время доставки составляет 5-20 рабочих дней.