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Manufacturer Part #
MDD172-18N1
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6 per Box
Chassis Mount
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Description;This notification letter is to inform you that Littelfuse has implemented a product label standardization initiative for module products under Y series and Compack packages. This change introduces an online-generated label via the SAP system. Reason: This aims to improve label , QR code scannability, and consistency across applicable packages, while supporting Littelfuse’s continuous improvement and standardization efforts.Please be advised that this update does not impact the form, fit, or function of the final products.Affected Packages : Y1, Y2, Y4 and Compack
Description:This notification is to inform you that, due to the end-of-life (EOL) of our existing terminal supplier, we will be implementing a replacement power terminal source for Y4 products. The affected parts have been fully qualified in accordance with established performance and reliability criteria. Please be advised that this change does not impact the form, fit, or function of the final products. Product quality and performance remain consistent and fully compliant with existing specifications. Reason for change: Replacement of supplier due to EOL of existing terminal supplier Form / Fit / Function: No change Part number changes: None Plating finish: Yes. Matte from shiny. Both plating finishes are accepted and listed in Littelfuse terminal specification.Effective date: March, 2026
Description:We are issuing this notification letter to inform you that we have completed the qualification process for an alternative DCB(Direct Copper Bonded) substrate supplier for part numbers under the Y4 products.Reason for Change:To enhance supply chain resilience and ensure uninterrupted business operations.Package type: Y4 package Effective date : March, 2026
Description of Change:? Littelfuse will stop the deliveries of the mounting screws shipped along with its Y4 bipolar power modules.? Our dear valued customers shall procure all required screws and washers on their own after effective date of change.Reason for Change: ? Littelfuse is committed to responsibly conducting its manufacturing and distribution operations to protect our employees, communities, and the environment. ? This supply stop will lower the weight of the parcels shipped all around the world thus its impact on the environment.? Many customers using automated assembly equipment don?t even use the screws delivered with the modules.
Subject: Inner box packing Label update for Medium Power modules Littelfuse would like to notify you about implementing inner packing box label change for its Medium Power Modules built in our different assembly locations. To harmonize the marking, we will remove Pb-Free marking which is not relevant to all our products portfolio and will only show up a "RoHS compliant" logo which is appropriate to all our power modules. There is no change to fit, form or function of the existing products as the change refers to packing box labelling only.Implementation date: May 1st, 2023 - already in place at some warehouse locations
SUBJECT: Assembled Device Marking Format Changes and Outer Box/Bag Label Format Changes - Change to the assembled device marking format The change affects the date code and tracking number identification. This change does not affect the form, fit or function of the product. See attached for more details - Change to the box label format: The paper sticker label found on the outer box or bag will see a format change that incorporates the Littelfuse logo along with the IXYS logo. The printed information remains the same (PN, Qty, Lot #, date code, country of origin). The change allows for a improved readability. This change does not affect the form, fit or function of the product. REMARKS: This changes from the original IXYS Corporation marking/labeling format to the new IXYS LLC-USA format is being done to conform to the SAP product management system requirements of our parent company Littelfuse Corporation.
Part Status:
Inventory held at our manufacturer's warehouse. Subject to availability and transit time.
