Difference between E1 and E2 in Order Numbers – KBA217986

Version 4

    Version: *A

     

    Translation - Japanese: 注文番号の E1 と E2 の違いについて - KBA217986 - Community Translated (JA)

     

    Question:

    What is the difference between E1 and E2 in the order numbers in the FR Family FR81S CY915XX series MCUs?

     

    Answer:

    E1 and E2 in the order numbers indicate the composition of lead plating. While E1 indicates Bi-Sn, E2 indicates pure Sn (100%).This difference applies to the following series of FR81S MCUs:

    • CY91520
    • CY91550
    • CY91570
    • CY91580
    • CY91590

     

     

    Note:

    The prefix MB of the product has been changed to CY. For instance, MB915XX has been changed to CY915XX.