9.1 V Zener Diodes are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for 9.1 V Zener Diodes. 1N5239B Datasheet See all Technical Docs. Product Overview. The 1N52xxB series Zener Diode with glass case. This product is general usage and suitable for many ... Home > Products > Discretes & Drivers > Diodes & Rectifiers > Zener Diodes > 1N5239B The document you are trying to download is gated. Log into MyON to proceed.