1N4693E3 (1N4693E3-ND) from Microchip Technology is no longer sold through DigiKey, with its tape and reel version 1N4693E3/TR (150-1N4693E3/TR-ND) being available for purchase, but non-stocked. There are a number of alternates in our stock however with similar specifications, linked here: 7.5 V Single Zener Diodes | Zener | Diodes | Electronic Components Distributor DigiKey
Please review the datasheets to ensure the alternative will work for your application.