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Manufacturer Part #
LBB127P
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50 per Tube
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Detailed Description of Change Littelfuse IXYS Integrated Circuits Division?s (ICD) would like to notify you that we?ll be phasing out the PCB SSR product family. The full list of affected part numbers is provided in the attachment to this notice. We value your business and want to ensure a smooth transition. Last Time Buy Deadline: Orders for the PCB SSR product family will be accepted until November 11, 2026.*** Some part numbers need to Contact Littelfuse for Availability***
Description:Following the PCN EIC-1138, dated July 31st, 2024- Littelfuse IXYS Integrated Circuits Division (ICD) would like to inform you about additional pat numbers affected by this change.As a result, we need to remove the UL 94 V-0 flammability rating from the datasheets for the part numbers.Littelfuse would like to inform you that although components shipped from Littelfuse are considered to not have a UL 94 V-0 flammability rating, they remain fully compliant with the certifications outlined in their respective data sheets.
Description of Change:Littelfuse IXYS Integrated Circuits Division (ICD) would like to inform you that we have qualified an additional material for use in back-side metallization process, for the part numbers listed in this PCN.*Effective date: December 30, 2025
*****FPCN109235 UPDATE******Description and Reason for Change:Littelfuse IXYS Integrated Circuits Division (ICD) would like to inform you about the qualification of an additional EMC (Epoxy Mold Compound) to ensure security of supply for the part numbers summarized in the table below.
Detailed Description of Change:Littelfuse IXYS Integrated Circuits Division (ICD) would like to inform you about the qualification of an additional EMC (Epoxy Mold Compound) to ensure security of supply for the part numbers summarized in the table attached. The affected part numbers listed are fully qualified in accordance with established performance and reliability criteria. Samples will be provided upon request depending on availability.
Input Deactivation Control Changes for LAA127 and LBB127Detailed Description of ChangeLittelfuse IXYS Integrated Circuits Division (ICD) would like to inform you of a change to the data sheet parameter ?Input Control Current to Deactivate? and the addition of an ?Input Control Voltage to Deactivate? parameter. The minimum ?Input Control Current to Deactivate? rating is being reduced from 0.4 mA to 0.1 mA. A new parameter, ?Input Control Voltage to Deactivate?, is being added to the data sheet with a minimum rating of 0.8 V. These changes are effective immediately and are documented in the updated data sheets available onthe Littelfuse website.Reason for Change:To ensure the security of supply for these products, an alternative supplier of the input LED was qualified and put into production. Over time, this more efficient LED exhibited a tendency to maintain the activated state of some Solid State Relays (SSRs) at lower input currents than its predecessor. Whereas the previous less efficient LED was not able to sustain operation with an input current of 0.4 mA, the replacement LED could. Reducing the minimum input control current to 0.1 mA guarantees the SSRs will deactivate as expected.
Part Status:
Inventory held at our manufacturer's warehouse. Subject to availability and transit time.
