Engineering Dictionary of Terms
"A" "B" "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
"N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"

Diode Array. A group of diodes contained with in a single semiconductor package [possible Package Styles]. The diodes within the package may be isolated from one another or interconnected in any number of configurations. For example; a package may contain a number of diodes with all the cathodes [common cathode], or anodes [common anode] connected together.

Common Cathode Diode Array, 1N6506 [DIP package]

Common Cathode Diode Array using pin number for 1N6506
Common Cathode Diode Array

Common Anode Diode Array, 1N6507 [DIP package]

Common Anode Diode Array using pin number for 1N6507
Common Anode Diode Array

Common Anode/Cathode Diode Array, 1N6508 [DIP package]
The 1N6508 package will handle up to 300mA continuous DC current.
The normal protection circuit would connect pin 1 to Vcc and pin 14 to ground. With the common point [2, 3, 5, 7...] to each I/O port of the data lines.

Dual Diode Array for a 1N6508 device
Common Anode / Cathode Diode Array

Primarily these diode packages are used as steering diodes to protect high frequency data lines like RS232 and RS422 networks. A steering diode, steers current spikes from the data lines to either the power line, ground line or both so that the current surge or ESD spike does not reach the I/O pin of the line driver.

IC Dual In-Line-Package Graphic [14-pin DIP], Diode Array Package

Diode Array DIP Package
14-pin Ceramic DIP

Technical note; there are between 8 and 16 diodes in a single 14-pin Dual In-Line Package, so power dissipation needs to be taken into account. It's just not possible to place 16 different components with a single package and expect each diode to be able to draw a large amount of current or dissipate any power. The forward current of the 1N6508 is 0.3 amps. Read more on How to De-rate Diodes.

PC motherboard

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