B772

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TRANS PNP 30V 3A SOT89

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概述

Description

The Boeing 777-200 (B772) is a long-range, wide-body twin-engine jet airliner, part of the 777 family developed by Boeing Commercial Airplanes. Introduced in 1995, it was designed to bridge the gap between the 767 and the 747, offering greater capacity and range than the 767 but without the size of the 747. The B772 can typically accommodate 314 to 396 passengers, depending on the configuration, and has a range of approximately 5,240 to 7,725 nautical miles.
Key features include a large, spacious cabin, advanced aerodynamics, and powerful engines, notably the GE90, which was the world's largest and most powerful at the time of introduction. The aircraft also boasts a fly-by-wire control system, lightweight materials, and advanced avionics, enhancing fuel efficiency and operational performance. The B772 has been a popular choice for airlines for long-haul routes due to its versatility, reliability, and economic efficiency. It set the foundation for subsequent models in the 777 family, like the 777-300 and the 777X series.

Equivalent

The B772 chip is a bipolar junction transistor (BJT) commonly used for amplification and switching. Equivalent products include the 2SB772, KSB772, and TIP41C, which have similar electrical characteristics. Always check the datasheets for exact specifications to ensure compatibility in your specific circuit.

Features

The Boeing 777-200 (B772) is a long-range, wide-body twin-engine jet airliner. Key features include:
1. Capacity: Typically accommodates 314 to 396 passengers in a three-class configuration.

2. Range: Approximately 7,725 nautical miles (14,305 km), making it ideal for long-haul flights.
3. Engines: Equipped with powerful engines like the GE90, Pratt & Whitney PW4000, or Rolls-Royce Trent 800.
4. Wings: Signature swept-back wings with a wingspan of about 199 feet and 11 inches, enhancing aerodynamic efficiency.
5. Cabin: Spacious and quiet, with advanced lighting and modern in-flight entertainment systems.
6. Cockpit: Features advanced avionics, including a glass cockpit with fly-by-wire controls for enhanced pilot usability.
7. Fuel Efficiency: Designed for better fuel efficiency compared to older aircraft, contributing to reduced operating costs.
8. Safety: Equipped with advanced safety features and systems, contributing to its excellent safety record.
These features make the B772 a popular choice for airlines worldwide for both passenger and cargo operations.

Pinout

The B772 is a PNP bipolar junction transistor commonly used in general-purpose amplification and switching applications. The pin count for the B772 is three. The pin configuration is as follows:
1. Emitter (E): This pin is responsible for emitting carriers (holes in the case of a PNP transistor) into the base region. It is usually connected to a more negative voltage in a circuit.
2. Base (B): This pin controls the transistor's operation. A small current flowing into the base allows a larger current to flow from the collector to the emitter.
3. Collector (C): This pin collects carriers from the emitter and is typically connected to a more positive voltage compared to the emitter in a PNP transistor.
These three pins enable the B772 to function effectively as a transistor in electronic circuits.

Manufacturer

The B772, commonly known as the Boeing 777-200, is manufactured by The Boeing Company. Boeing is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. It is one of the largest aerospace and defense contractors in the world. The company is headquartered in Chicago, Illinois, and has its operations divided into several segments, including Commercial Airplanes, Defense, Space & Security, Global Services, and Boeing Capital. The Boeing 777 series, part of their Commercial Airplanes division, is known for its long-range, wide-body twin-engine aircraft capabilities, making it a popular choice for airlines around the globe.

Application

The Boeing 777-200 (B772) serves primarily in the commercial aviation sector as a long-haul, wide-body passenger aircraft. It's widely used by airlines for transcontinental and intercontinental routes due to its capacity, range, and fuel efficiency. Additionally, some variants of the B772 are utilized for cargo operations, offering substantial payload capabilities. Its versatility and reliability make it suitable for a range of markets, from high-density passenger routes to freight services. The aircraft is also favored for its passenger comfort features, making it a preferred choice for luxury air travel on long-distance flights.