✔ Diode Numbering Code

Diode Numbering Code

- March 05, 2018

Transistor and diode numbering the numbering or code systems used for transistors diodes and fets. This is a listing of different types of diodes along with the associated diode part numbers.

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Take for example a diode with brown orange and white bands at one terminal and figure out its identification number.

Diode numbering code. Diode vendors are listed on the diode manufacturers page. Jis numbering scheme this semiconductor device numbering system was developed in japan and can be seen on diodes transistors and fets that are made in japan. The following letters are used for this purpose.

Digit two letters sequential number optional suffix digits are 1 for diodes 2 for transistors and so forth. Zener diode code identification. Identification of diode type by diode part number.

Jedec numbering scheme this diode and transistor numbering scheme was originated in the usa and it is widely used for diodes and transistors that originate from north america. The letters indicate the type and intended application of the device according to the following code. There are many thousands of different types of diode and transistor.

This letter denotes the tolerance of the zener voltages. Link to diodes in the table below point to power derating curves some links may point to the same page. These have different characteristics according to the way they are designed and made.

The standard diode color code system is shown in figure 1 27. With brown being a 1 orange a 3 and white 9 the device would be identified as a type 139 semiconductor diode or specifically 1n139. These part numbers take the form.

Zener diodes have an additional letter which will appear after the numbers. The letter is used to mention the specialized application of the diode. A 1 b 2 c 5 d 10.