Thank you for having an interest in our availability for part number 1SMB18AT3, a Tvs Zener Unidirect 600W 18V Smb 18V 20V 600W Unidirectional Surface Mount Do-214Aa Smb Smb Digi-Reel« item we feature that is manufactured by On Semiconductor. In order to receive pricing information on this particular Circuit Protection listing, please fill out and submit the Request for Quote (RFQ) form that is provided below. As the form is partially completed for you with details concerning this board-level electronic component, simply offer us information like your target price, desired quantity, and when you need parts by. Once you submit a request and our team receives and reviews it, you will be contacted by a dedicated account manager in 15 minutes or less to continue the procurement process.