Marking rule of the Infineon chip
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Many of the screen marks of chip INFNIEON are presented in the form of code, so some people do not understand, it is difficult to understand.The rules for screen printing year are usually determined by packaging. SOP QFP is large enough and has a relatively large space for use. Silk screen printing can carry more information, so it is easier to understand.



Example diagramINFNIEON code.jpg

• Let's look at the example diagram. The first row of A3241 is the model IOR is logo. On August 20,2014, Infineon acquired IR for $3 billion in cash, so the predecessor IR devices still use the lot code below logo  This is the year of SOP Y is the year WW is the cycle,

• The year in the corresponding position 9 is 19 years 44 weeks 1944 elements.

• QFP due to the large screen surface, the screen information is usually complete and easy to understand, take this model as an example tle9180-21 qk year screen in the side of the position, 1224, at a glance 24 weeks in 12 years.

• As the size of the element becomes smaller, the space for the expression of the year is more compact, at this time a single number can only be used to screen the year. Let's start with an example diagram.

INFNIEON code.jpg


• EH is the marking code of the model, S is the representative manufacturer, the side 5 is the 20056 is June.

• Use a physical picture to look at the BAV170 model in January 2021.

• BAR 64-05 This model 7 is from June 2017.

• Today we listed three types of packaging of Infineon screen printing year views ha these three are very simple, the more difficult is the form of the year component contains SCD80 SC79 SC75 these package, need to analyze the table comparison, if you want to know more about this kind of product information can leave a message to tell us.

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