P.O. Box 14460 St. Louis, MO 63178-4460 114 Old State Road Ellisville, MO 63021 Phone: (636) 527-1270 Date: December 28, 2011 To: Cooper Bussmann Circuit Protection Distributor Subject: S505H Series of 400Vdc/500-600Vac Fuses Launch Announcement Cooper Bussmann announces the launch of the S505H Series of time-delay 5 x 20mm ceramic tube fuses. Available as ferrule or with optional axial leads, the S505H Series provides higher voltage ratings and breaking capacities than standard IEC 60127-2 fuses. Key features include: Time-delay, high breaking capacity 5 x 20mm physical size Ceramic tube with plated end cap construction Designed to IEC 60127-2, Standard, Sheet 5 RoHS Compliant, lead free and halogen free Additionally, Cooper Bussmann has available a variety of PCB fuse holders and clips. Please share the availability of the new S505H Series with the appropriate personnel in your organization. For more information, see Data Sheet # 4406. Thank you for your business and your cooperation. Jim Chan Product Manager – Circuit Protection Cooper Bussmann