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Concentration of Risk (Tables)
 3 Months Ended
Apr. 26, 2020
Risks and Uncertainties [Abstract]  
Schedule Of Significant Customers Accounting For At Least 10% Of Net Sales
The following significant customers accounted for at least 10% of net sales in one or more of the periods indicated:
 
Three Months Ended
(percentage of net sales)
April 26, 2020
 
April 28, 2019
Trend-tek Technology Ltd. (and affiliates)
15
%
 
12
%
Frontek Technology Corporation (and affiliates)
12
%
 
10
%
CEAC International Limited
12
%
 
4
%
Premier Technical Sales Korea, Inc. (and affiliates) (1)
9
%
 
5
%
Samsung Electronics (and affiliates) (1)
2
%
 
8
%
Huawei Technologies Co. Ltd. (and affiliates)
7
%
 
16
%
(1) Premier is a distributor with a concentration of sales to Samsung. The above percentages represent the Company's estimate of the sales activity related to Samsung that is passing through this distributor.
The following table shows the customers that had an outstanding receivable balance that represented at least 10% of total net receivables as of one or more of the dates indicated:
 
Balance as of
(percentage of net receivables)
April 26, 2020
 
January 26, 2020
CEAC International Limited
15
%
 
11
%
Trend-tek Technology Ltd. (and affiliates)
12
%
 
13
%
Frontek Technology Corporation (and affiliates)
8
%
 
11
%