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OUTSTANDING SUPPORT AND SUPERIOR SERVICES PRODUCT SUPPORT Central’s operations team provides the highest level of support to insure product is delivered on-time. • Supply management (Customer portals) • Custom bar coding for shipments • Inventory bonding • Custom product packing • Consolidated shipping options DESIGNER SUPPORT/SERVICES Central’s applications engineering team is ready to discuss your design challenges. Just ask. • Free quick ship samples (2nd day air) • Special wafer diffusions • Online technical data and parametric search • PbSn plating options • SPICE models • Package details • Custom electrical curves • Application notes • Environmental regulation compliance • Application and design sample kits • Customer specific screening • Custom product and package development • Up-screening capabilities REQUESTING PRODUCT PLATING 1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when ordering (example: 2N2222A TIN/LEAD). 2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number when ordering (example: 2N2222A PBFREE). CONTACT US Corporate Headquarters & Customer Support Team Central Semiconductor Corp. 145 Adams Avenue Worldwide Field Representatives: Hauppauge, NY 11788 USA www.centralsemi.com/wwreps Main Tel: (631) 435-1110 Main Fax: (631) 435-1824 Worldwide Distributors: Support Team Fax: (631) 435-3388 www.centralsemi.com/wwdistributors www.centralsemi.com For the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER, which is part of Central’s Standard Terms and Conditions of sale, visit: www.centralsemi.com/terms www.centralsemi.com (001)

PDN01021 2/23/16 8/23/16 http://www.centralsemi.com 2/23/17 Summary:The 1N4448 Series of silicon switching diodes is discontinued and now classified as End of Life (EOL). Although Central Semiconductor Corp. makes every effort to continue to produce devices that have been proclaimed EOL (End of Life) by various manufacturers, it is an accepted industry practice to discontinue certain devices when customer demand falls below a minimum level of sustainability. Accordingly, the following product(s) have been transitioned to End of Life status as part of Central's Product Management Process. Any replacement product will be noted below. The effective date for placing the last purchase order will be six(6) months from the date of this notice and twelve(12) months from the notice date for final shipments; this may be extended if inventory is available. C__en_t_r_al_ P_a_r_t_ N_u_m_b_e_r_ _ _ _ _ ___R___e_p_l_a_ce_m__en_t_ _ _ _ _ _ _ _ ________ 1N4446 BK 1N4148 BK 1N4446 TR 1N4148 TR 1N4448 BK 1N4148 BK 1N4448 TR 1N4148 TR 1N4449 BK 1N4148 BK Central would be happy to assist you by providing additional information or technical data to help locate an alternate source if we have no replacement available. Please email your requests to engineering@centralsemi.com.

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