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Hi Team,
customer is working on a medical application which requires 15kV of ESD protection.
ISOW7741 can only withstand 8kV of contact discharge.
Could you please recommend a solution for this problem?
Customer is planning to put a spark gap over the isolation barrier, such that the voltage is always limited to around 4 kV.
BR,
Stefan
Hi Stefan,
Thanks for reaching out.
Please refer to the below Application Brief that describes how to meet 15kV IEC ESD using GDT for a digital isolator. The part number referred in the document is ISO7741 but is equally applicable to all isolators in DW or larger packages. Thanks.
IEC60601-1-2 Compliant Digital Isolation Design With 16-kV Contact Discharge ESD Protection
Regards,
Koteshwar Rao