Diode Marking Code

The european systemes diode code identification consists of an alphanumeric code as per below. Codes beginning with 0 code device manufacturer base package leaded equivalentdata 0 2sc3603 nec cx sot173 npn rf ft 7ghz 005 sstpad5 sil j pad 5 5pa leakage diode p01 pdta143et phi n sot23 pnp dtr 4k74k7 t01 pdta143et phi n sot23 pnp dtr 4k74k7 01 gali 1 mc az sot89 dc 8ghz mmic amp 12db gain.

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For transzorb tvs and power voltage regulating diodes date code factory designator month 1 to 9 january to september a october b november c december year eg 5 2015 6 2016 x y z.

Diode marking code. This marking code reference guide is meant for your. When repairing an unknown electronic board it becomes so difficult to know what is the exact type of a given component. The following presents the marking code for common smd component for 2 pins diode component.

This database allows to quickly find the part number of a smd component when you have only the marking code. Marking code searching the biggest database of marking code search engine in the world. Please ensure the context of the component used in the electronic design is correct.

Small signal transistors and diodes marking codes diode type number to marking code type number marking code package 1n821 1n821 sod68 do34 1n821a 1n821a sod68 do34 1n823 1n823 sod68 do34 1n823a 1n823a sod68 do34 1n825 1n825 sod68 do34 1n825a 1n825a sod68 do34 1n827 1n827 sod68 do34 1n827a 1n827a sod68 do34 1n829 1n829 sod68 do34. 0 1 2 3 4 5 6 7 8 9 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 comes with many varieties.

The first 2 symbol marking smd. For rectifiers and par tvs xyz 3 digits. Thus a device with the numbering code 1n4148 is a diode and a 2n706 is a bipolar transistor.

Two letters and three figures three letters and two figures the first naming method is for general purpose diodes and the second option is for special purpose diodes. Microsmf do 219ac marking notes type code refers to individual datasheet xy 2 digits. When searching the top mark marking codewe will show the original model number of you are looking for.

It is possible to misinterpret the part with same marking code. They use instead a marking code typically composed of a combination of 2 or 3 letters or digits. Sometimes extra letters are added to the part number and these often refer to refer to the manufacturer.

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