Suntsu Frequency Control, Inc. is an ISO 9001:2000 certified distributor of quartz crystals, crystal oscillators, oven controlled crystal oscillators (OCXO’s), temperature compensated crystal oscillators (TCXO’s), and voltage controlled crystal oscillators (VCXO’s). All of our lines are available in surface-mount and through-hole packaging.
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  *This form is to be completed by the technical contact managing the Quality Inquiry. All fields are required for the Inquiry to be processed.
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Company:   First Name:   Last Name:
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Phone:   Title:   E-mail:
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Product Info
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Purchase order number:   Part number:   Part marking (Date code) :   Number of failed parts:

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Number of parts tested:   Number of parts in question:   Failure rate:    

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Do you have any orders pending with Suntsu for the same product?
 
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Where do you find failures?
 
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if Other, please describe:
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What kind of issues are you experiencing?
 
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if Other, please describe:
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Is the issue critical to your application?   
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Have you verified your circuit?   
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Can you provide a schematic of your circuit?   
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Can you return defective samples?   
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Can you return unused parts from the same lot?   
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Do you require an authorization number to do so?   
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Please explain how you have tested the product to conclude it is malfunctioning:
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Are your handling procedures compliant with ISO standards?   
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What kind of outcome do you request from Suntsu?
 
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if Other, please describe:
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