filename Macintosh HD:Users:loriwest:Library:Caches:Adobe InDesign:Version 14.0:en_US:InDesign ClipboardScrap1.pdf TBU-RSxxx-300-WH Series - TBU® High-Speed ProtectorHow to OrderTypical Part MarkingTBU - RS 085 - 300 - WH MANUFACTURER’S TRADEMARK TBU® Product 5 DIGIT PRODUCT CODE: Series • 1ST ALPHA CHARACTER INDICATES PRODUCT FAMILY: R = TBU-RS SERIES RS = Dual Bidirectional Model for RS-485 Interfaces • 2ND & 3RD DIGITS INDICATE IMPULSE VOLTAGE: Impulse Voltage Rating 55 = 550 V R8530 055 = 550 V 85 = 850 V YWWLL • 4TH & 5TH DIGITS INDICATE TRIGGER CURRENT: 085 = 850 V 30 = 300 mA Trigger Current 300 = 300 mA MANUFACTURING DATE CODE: Hold to Trip Ratio Suffix • 1ST DIGIT INDICATES THE YEAR. W = Hold to Trip Ratio • 2ND & 3RD DIGITS INDICATE THE WEEK NUMBER. PIN 1 INDICATOR • 4TH & 5TH DIGITS INDICATE LOT CODE. Package Suffix H = DFN Package Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.