This part is a kind of semiconductor called B8100.

Function of this product has SAW Components.

Manufacturers : EPCOS

Image and pinout :

Some of the text within the PDF file :

IF Filters for Cordless Phones and ISM-Band Application Series/Type: B8100 The following products presented in this data sheet are being withdrawn. Ordering Code B39111B8100L100 Substitute Product B39111B4542Z910 Date of Withdrawal 2004-05-19 Deadline Last Orders 2004-09-30 Last Shipments 2004-12-31 For further information please contact your nearest EPCOS sales office, which will also support you in selecting a suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales. The following products presented in this data sheet are being withdrawn: B39111B8100L100 Date of withdrawal: Deadline for last orders: Last shipments: 19−MAY−04 30−SEP−04 31−DEC−04 For further information please contact your nearest EPCOS s [ ... ]

B8100 PDF Datasheet Download