View bfg540w datasheet:

DISCRETE SEMICONDUCTORS DATA SHEET BFG540W BFG540W/X; BFG540W/XR NPN 9 GHz wideband transistor Product specification 2000 May 23 Supersedes data of 1997 Dec 04 Philips Semiconductors Product specification BFG540W NPN 9 GHz wideband transistor BFG540W/X; BFG540W/XR FEATURES MARKING • High power gain TYPE NUMBER CODE fpage • Low noise figure 4 3 BFG540W N9 • High transition frequency BFG540W/X N7 • Gold metallization ensures BFG540W/XR N8 excellent reliability. 1 2 PINNING APPLICATIONS Top view MBK523 PIN DESCRIPTION RF front end wideband applications in BFG540W (see Fig.1) the GHz range, such as analog and digital cellular telephones, cordless 1 collector Fig.1 SOT343N. telephones (CT2, CT3, PCN, DECT, 2 base etc.), radar detectors, pagers, 3 emitter sat