Search results
Results from the WOW.Com Content Network
Millions of these diodes were manufactured at the Slatersville plant every year. With the advent of silicon diodes in 1962 there was a decreasing demand for these germanium diodes, so Philips transferred their germanium Post Alloy Diffused Transistor (PADT) manufacturing to Slatersville to take advantage of the site's capacity.
The DO-35 (also known as DO-204-AH or SOD27) is a semiconductor package used to encapsulate signal diodes (i.e., diodes meant to handle small amounts of current and voltage). [ 10 ] [ 13 ] [ 2 ] It is often used to package small signal, low power diodes such as 1N4148 (a 100 V, 300 mA silicon diode.)
From 1950 through the early 1970s, this area provided an increasing market for germanium, but then high-purity silicon began replacing germanium in transistors, diodes, and rectifiers. [32] For example, the company that became Fairchild Semiconductor was founded in 1957 with the express purpose of producing silicon transistors.
A compound semiconductor is a semiconductor compound composed of chemical elements of at least two different species. These semiconductors form for example in periodic table groups 13–15 (old groups III–V), for example of elements from the Boron group (old group III, boron, aluminium, gallium, indium) and from group 15 (old group V, nitrogen, phosphorus, arsenic, antimony, bismuth).
Various semiconductor diodes. Left: A four-diode bridge rectifier.Next to it is a 1N4148 signal diode.On the far right is a Zener diode.In most diodes, a white or black painted band identifies the cathode into which electrons will flow when the diode is conducting.
Germanium's sensitivity to temperature also limited its usefulness. Scientists theorized that silicon would be easier to fabricate, but few investigated this possibility. Former Bell Labs scientist Gordon K. Teal was the first to develop a working silicon transistor at the nascent Texas Instruments , giving it a technological edge.
1N4001 diode in DO-41 axial package (through hole mount) A schematic symbol for general-purpose silicon rectifier diodes Current-voltage characteristics of a 1N4001 at different temperatures The 1N400x (or 1N4001 or 1N4000 [ 1 ] ) series is a family of popular one- ampere general-purpose silicon rectifier diodes commonly used in AC adapters for ...
Reverse voltage blocking device, commonly modeled as a switch in series with a voltage source, usually 0.7 VDC. The model can be enhanced to include a junction resistance, in order to accurately predict the diode voltage drop across the diode with respect to current flow. Up to 3000 amperes and 5000 volts in a single silicon device.