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Product Variant Information section
CPC1510 LED Forward Voltage Data Sheet Change Detailed Description of Change IXYS Integrated Circuits Division (ICD), now part of Littelfuse, has made design improvements to the CPC1510G that required a change to the product's maximum LED Forward Voltage (VF) specification. Design improvements have been made to narrow the thermal shutdown activation trip point range. This will allow improved load current capability at the upper end of the operational ambient temperature range and improved product lifetime by reducing the maximum junction temperature seen by the device. To facilitate these improvements, it was necessary to upgrade the input LED with another from our portfolio of qualified LEDs having a higher efficiency.Reason for Change These thermal shutdown circuit design improvements will result in enhanced performance and product reliability. This change is a result of our ongoing effort and commitment to continuous quality improvement of our products.