2n3904 Sot23 Datasheet Pdf

From Wikipedia, the free encyclopedia. Images, videos and audio are available under their respective licenses. High frequency and microwave engineering. The transistor revolutionized the field of electronics, and paved the way for smaller and cheaper radios, calculators, and computers, among other things.

This circuit is also known by other names such as blocking oscillator, joule ringer, vampire torch.

It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. The first practically implemented device was a point-contact transistor invented in by American physicists John Bardeen, Walter Brattain, and William Shockley. Some manufacturers have specified their parts with a higher power dissipation rating Ptot than others.

These transistors have an enduring popularity with electronics hobbyists. The exact specifications depend on the manufacturer, case type, and variation. Practical use of a transistor requires that it be used for frequencies much less than fT. This transistor is low-cost, widely available and sufficiently robust to be of use by experimenters and electronics hobbyists.

2N3904 Datasheet (PDF)

Compared with the vacuum tube, transistors are generally smaller, and require less power to operate. In other projects Wikimedia Commons.

All Transistors. Datasheet. Cross Reference Search

HTTP This page has been moved

The transistor is the fundamental building block of modern electronic devices, and is ubiquitous in modern electronic systems. It is used in a variety of analog amplification and switching applications. This page is based on a Wikipedia article written by authors here. Julius Edgar Lilienfeld patented a field-effect transistor in but it was not possible to actually construct a working device at that time.

2n - Information Specifications and Datasheet

Many types of transistors are made to standardized specifications by multiple manufacturers. Today, some transistors are packaged individually, but many more are found embedded in integrated circuits. The case is often made of epoxy or plastic, and offers compact size at a very low cost.

Certain vacuum tubes have advantages over transistors at very high operating frequencies or high operating voltages. All variations have a beta or current gain h fe of at least in optimal conditions. They're listed together because they're complementary transistors. It was widely used in Soviet electronic equipment. The general specifications of the various variants are similar, with the biggest difference being the maximum allowable current and power dissipation.

Other part numbers will have different parameters. The circuit is a variant of the blocking oscillator that forms an unregulated voltage boost converter. Since then it has been made by many semiconductor companies, for example, Texas Instruments. Most transistors are made from very pure silicon or germanium, but certain other semiconductor materials can also be used.

2N Datasheet(PDF) - ON Semiconductor

Therefore, it is important to refer to the datasheet for the exact part number and manufacturer. The output voltage is increased at the expense of higher current draw on the input, svt podle garpa pdf but the integrated average current of the output is lowered and brightness of a luminescence decreased.

Choosing Bipolar Transistor Replacements