Exhibit 23.1
                                 ------------

                   Consent Of Independent Public Accountants


As independent public accountants, we hereby consent to the incorporation by
reference of our report included in this Form 10-K for the year ended January
27, 2002 into:

    (i)      the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 033-17024);
    (ii)     the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 033-85156);
    (iii)    the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 033-85158);
    (iv)     the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 333-00597);
    (v)      the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 333-00599);
    (vi)     the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 333-27777);
    (vii)    the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 333-44033);
    (viii)   the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 333-80319);
    (ix)     the Registration Statement on Form S-3 of Semtech Corporation(File
             No. 333-9518)
    (x)      the Registration Statement on Form S-3 of Semtech Corporation(File
             No. 333-36632)
    (xi)     the Registration Statement on Form S-3/A of Semtech
             Corporation(File No. 333-36632);
    (xii)    the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 333-50448); and
    (xiii)   the Registration Statement on Form S-8 of Semtech Corporation(File
             No. 333-60396).

Arthur Andersen LLP


Los Angeles, California
April 2, 2002