P.O. Box 14460

St. Louis, MO 63178-4460

114 Old State Road

Ellisville, MO 63021

Phone: (636) 527-

3877

Date: August 1, 2005

To: GDB Fuse Customers

Subject: GDB/S500 Part Number Explanation & RoHS Compliant 5 x 20mm Part Numbers

1. Cooper Bussmann has offered the GDB and S500 families as a part of their fast-acting glass fuse

offering.

2. The GDB Part Number is used primarily in North America. This GDB fuse is the same base fuse as the

equivalent S 5 00 , (all ma de in ou r Don g Gu a n, Chi n a fa cility). It simply gets the GDB label printed on the

outside of the fuse.

3. The RoHS com pliant versions of the S5 00 are available for produc tio n qu a ntiti e s as of July, 2005.

4. The GDB will not be made in a RoHS compliant version.

5. All customers needing a 5x20mm fast-acting glass fuse, should order the S500 product.

6. All 5mm fuse families made to compl y with the RoHS Directi ve will receive a new part number designated

with a “–R” suffix. (i.e., S500-5A will have a RoHS compliant version, S500-5-R).