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Overview of Transistor wideband NPN up to 10 GHz - 
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 			 | 		 | 		 | 		 | 		 | 		 | 		 | 		 | 		 | 		 | 		fT / IC curve (see  fig.1) (SEE FIG.1) |   |  
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			  BFC505 | 		SOT353 | 		3 | 		18 | 		3.5 | 		  | 		NPN | 		8 | 		500 | 		7.3 | 		(19) | 		  | 		900 | 		  | 		-20 | 		1 | 		LNA, Buffer&VCO | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		900 | 		2000 | 		  | 		1.8 | 		3.5 | 		  |  			  BFC520 | 		SOT353 | 		3 | 		70 | 		1.3 | 		  | 		NPN | 		8 | 		1000 | 		7 | 		(20) | 		  | 		900 | 		  | 		-18 | 		5 | 		LNA, Mixer, Buffer & VCO | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		900 | 		  | 		  | 		1.3 | 		  | 		  |  			  BFE505 | 		SOT353 | 		  | 		18 | 		1.9 | 		  | 		NPN | 		8 | 		500 | 		9 | 		(19) | 		  | 		900 | 		  | 		  | 		  | 		Mixer | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		900 | 		2000 | 		  | 		1.2 | 		1.9 | 		  |  			  BFE520 | 		SOT353 | 		  | 		70 | 		1.9 | 		  | 		NPN | 		8 | 		1000 | 		9 | 		(20) | 		  | 		900 | 		  | 		  | 		  | 		Mixer | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		900 | 		2000 | 		  | 		1.1 | 		1.9 | 		  |  			  BFG10 | 		SOT143 | 		  | 		250 | 		  | 		  | 		NPN | 		8 | 		250 | 		  | 		(23) | 		7 4 | 		1900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		7 | 		  | 		1900 | 		  | 		  | 		  | 		  | 		  |  			  BFG10/X | 		SOT143 | 		  | 		250 | 		  | 		  | 		NPN | 		8 | 		250 | 		  | 		(23) | 		7 4 | 		1900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		7 | 		  | 		1900 | 		  | 		  | 		  | 		  | 		  |  			  BFG10W/X | 		SOT343 | 		  | 		250 | 		  | 		  | 		NPN | 		10 | 		400 | 		  | 		(23) | 		10 ³ 4 | 		900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		10 | 		7 4 | 		900 | 		1900 | 		  | 		  | 		  | 		  |  			  BFG11 | 		SOT143 | 		  | 		500 | 		  | 		  | 		NPN | 		8 | 		400 | 		  | 		(24) | 		5 4 | 		1900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		5 | 		  | 		1900 | 		  | 		  | 		  | 		  | 		  |  			  BFG11/X | 		SOT143 | 		  | 		500 | 		  | 		  | 		NPN | 		8 | 		400 | 		  | 		(24) | 		5 4 | 		1900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		5 | 		  | 		1900 | 		  | 		  | 		  | 		  | 		  |  			  BFG11W/X | 		SOT343 | 		  | 		500 | 		  | 		  | 		NPN | 		8 | 		760 | 		  | 		(24) | 		6 ³ 4 | 		1900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		6 4 | 		1900 | 		1900 | 		  | 		  | 		  | 		  |  			  BFG25A/X | 		SOT143 | 		  | 		6.5 | 		1.8 | 		  | 		NPN | 		5 | 		32 | 		5 | 		(18) | 		18 | 		1000 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		18 | 		  | 		1000 | 		  | 		  | 		1.8 | 		  | 		  |  			  BFG25AW | 		SOT343 | 		  | 		6.5 | 		2 | 		  | 		NPN | 		5 | 		500 | 		5 | 		(18) | 		16 | 		1000 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		16 | 		8 | 		1000 | 		2000 | 		  | 		2 | 		  | 		  |  			  BFG25AW/X | 		SOT343 | 		  | 		6.5 | 		2 | 		  | 		NPN | 		5 | 		500 | 		5 | 		(18) | 		16 | 		1000 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		16 | 		8 | 		1000 | 		2000 | 		  | 		2 | 		  | 		  |  			  BFG505 | 		SOT143 | 		6 | 		18 | 		1.9 | 		4 | 		NPN | 		15 | 		150 | 		9 | 		(19) | 		20 | 		900 | 		  | 		10 | 		5 | 		LNA, Mixer, Buffer & VCO | 		  | 		  | 		  | 		  | 		  | 		20 | 		13 | 		900 | 		2000 | 		  | 		1.6 | 		1.9 | 		  |  			  BFG505/X | 		SOT143 | 		6 | 		18 | 		1.9 | 		4 | 		NPN | 		15 | 		150 | 		9 | 		(19) | 		20 | 		900 | 		  | 		10 | 		5 | 		LNA, Mixer, Buffer & VCO | 		  | 		  | 		  | 		  | 		  | 		20 | 		13 | 		900 | 		2000 | 		  | 		1.6 | 		1.9 | 		  |  			  BFG505W | 		SOT343 | 		6 | 		18 | 		1.9 | 		4 | 		NPN | 		15 | 		500 | 		9 | 		(19) | 		  | 		900 | 		  | 		10 | 		5 | 		LNA, Mixer, Buffer & VCO | 		900 & 1900 | 		17 | 		1.2 | 		10 | 		1.9 | 		19 | 		12 | 		900 | 		2000 | 		10 | 		1.6 | 		1.9 | 		  |  			  BFG505W/X | 		SOT343 | 		6 | 		18 | 		1.9 | 		4 | 		NPN | 		15 | 		500 | 		9 | 		(19) | 		19 | 		900 | 		  | 		10 | 		5 | 		LNA, Mixer, Buffer & VCO | 		  | 		17 | 		  | 		  | 		  | 		19 | 		12 | 		900 | 		2000 | 		10 | 		1.6 | 		1.9 | 		  |  			  BFG505W/XR | 		SOT343 | 		6 | 		18 | 		1.9 | 		4 | 		NPN | 		15 ¹ | 		500 | 		9 | 		(19) | 		19 | 		900 | 		  | 		10 | 		5 | 		  | 		  | 		  | 		  | 		  | 		  | 		19 | 		12 | 		  | 		  | 		  | 		  | 		  | 		  |  			  BFG520 | 		SOT143 | 		6 | 		70 | 		1.9 | 		17 | 		NPN | 		15 | 		300 | 		9 | 		(20) | 		19 | 		900 | 		275 | 		26 | 		20 | 		LNA, Mixer, Buffer & VCO | 		  | 		17 | 		  | 		  | 		  | 		19 | 		13 | 		900 | 		2000 | 		10 | 		1.6 | 		1.9 | 		275 |  			  BFG520/X | 		SOT143 | 		6 | 		70 | 		1.9 | 		17 | 		NPN | 		15 | 		300 | 		9 | 		(20) | 		  | 		900 | 		275 | 		26 | 		20 | 		LNA, Mixer, Buffer & VCO | 		  | 		17 | 		  | 		  | 		  | 		19 | 		13 | 		900 | 		2000 | 		10 | 		1.6 | 		1.9 | 		275 |  			  BFG520/XR | 		SOT143 | 		6 | 		70 | 		1.9 | 		17 | 		NPN | 		15 ¹ | 		300 | 		9 | 		(20) | 		  | 		900 | 		275 | 		26 | 		20 | 		  | 		  | 		  | 		  | 		  | 		  | 		19 | 		13 | 		  | 		  | 		  | 		  | 		  | 		  |  			  BFG520W | 		SOT343 | 		6 | 		70 | 		1.85 | 		17 | 		NPN | 		15 | 		500 | 		9 | 		(20) | 		  | 		900 | 		275 | 		26 | 		20 | 		LNA, Mixer, Buffer & VCO | 		900 & 1900 | 		17 | 		1.2 | 		10 | 		1.9 | 		17 | 		11 | 		900 | 		2000 | 		10 | 		1.6 | 		1.85 | 		275 |  			  BFG520W/X | 		SOT343 | 		6 | 		70 | 		1.85 | 		17 | 		NPN | 		15 | 		500 | 		9 | 		(20) | 		  | 		900 | 		275 | 		26 | 		20 | 		LNA, Mixer, Buffer & VCO | 		  | 		17 | 		  | 		  | 		  | 		17 | 		11 | 		900 | 		2000 | 		10 | 		1.6 | 		1.85 | 		275 |  			  BFG540 | 		SOT143 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 | 		500 | 		9 | 		(21) | 		  | 		900 | 		500 | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		18 | 		11 | 		900 | 		2000 | 		  | 		1.9 | 		2.1 | 		500 |  			  BFG540/X | 		SOT143 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 | 		500 | 		9 | 		(21) | 		  | 		900 | 		500 | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		18 | 		11 | 		900 | 		2000 | 		  | 		1.9 | 		2.1 | 		500 |  			  BFG540/XR | 		SOT143 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 ¹ | 		500 | 		9 | 		(21) | 		  | 		900 | 		500 | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		18 | 		11 | 		  | 		  | 		  | 		  | 		  | 		  |  			  BFG540W | 		SOT343 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 | 		500 | 		9 | 		(21) | 		  | 		900 | 		500 | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		16 | 		10 | 		900 | 		2000 | 		  | 		1.9 | 		2.1 | 		500 |  			  BFG540W/X | 		SOT343 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 | 		500 | 		9 | 		(21) | 		  | 		900 | 		500 | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		16 | 		10 | 		900 | 		2000 | 		  | 		1.9 | 		2.1 | 		500 |  			  BFG540W/XR | 		SOT343 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 ¹ | 		500 | 		9 | 		(21) | 		  | 		900 | 		500 | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		16 | 		10 | 		  | 		  | 		  | 		  | 		  | 		  |  			  BFG541 | 		SOT223 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 | 		650 | 		9 | 		(21) | 		  | 		900 | 		500 | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		15 | 		9 | 		900 | 		2000 | 		  | 		1.9 | 		2.1 | 		500 |  			  BFG590 | 		SOT143 | 		  | 		200 | 		  | 		  | 		NPN | 		15 | 		400 | 		5 | 		(22) | 		  | 		900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		13 | 		7.5 | 		900 | 		2000 | 		  | 		  | 		  | 		  |  			  BFG590/X | 		SOT143 | 		  | 		200 | 		  | 		  | 		NPN | 		15 | 		400 | 		5 | 		(22) | 		  | 		900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		13 | 		7.5 | 		900 | 		2000 | 		  | 		  | 		  | 		  |  			  BFG590W | 		SOT343 | 		5 | 		200 | 		  | 		21 | 		NPN | 		15 | 		500 | 		5 | 		(22) | 		  | 		900 | 		  | 		  | 		80 | 		  | 		  | 		  | 		  | 		  | 		  | 		13 | 		7.5 | 		900 | 		2000 | 		  | 		  | 		  | 		  |  			  BFG590W/X | 		SOT343 | 		5 | 		200 | 		  | 		21 | 		NPN | 		15 | 		500 | 		5 | 		(22) | 		  | 		900 | 		  | 		  | 		80 | 		  | 		  | 		  | 		  | 		  | 		  | 		13 | 		7.5 | 		900 | 		2000 | 		  | 		  | 		  | 		  |  			  BFG591 | 		SOT223 | 		  | 		200 | 		  | 		  | 		NPN | 		15 | 		2000 | 		7 | 		(22) | 		  | 		900 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		13 | 		7.5 | 		900 | 		2000 | 		  | 		  | 		  | 		  |  			  BFM505 | 		SOT363 | 		3-12 | 		18 | 		1.9 | 		  | 		NPN | 		8 | 		500 | 		9 | 		(19) | 		  | 		900 | 		  | 		  | 		  | 		LNA, Mixer, Buffer & VCO | 		900 & 1900 | 		17 | 		1.2 | 		10 | 		1.9 | 		17 | 		10 | 		900 | 		2000 | 		10 | 		1.4 | 		1.9 | 		  |  			  BFM520 | 		SOT363 | 		3-12 | 		70 | 		1.9 | 		  | 		NPN | 		8 | 		1000 | 		9 | 		(20) | 		  | 		900 | 		  | 		  | 		  | 		LNA, Mixer, Buffer & VCO | 		900 & 1900 | 		17 | 		1.2 | 		10 | 		1.9 | 		15 | 		9 | 		900 | 		2000 | 		10 | 		1.7 | 		1.9 | 		  |  			  BFQ540 | 		SOT89 | 		8 | 		120 | 		1.9 | 		  | 		NPN | 		12 | 		1200 | 		9 | 		(21) | 		  | 		900 | 		500 | 		  | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		900 | 		  | 		  | 		1.9 | 		  | 		500 |  			  BFQ621 | 		SOT172 | 		18 | 		150 | 		  | 		  | 		NPN | 		16 | 		800 | 		7 | 		(23) | 		  | 		500 | 		1200 | 		  | 		120 | 		  | 		  | 		  | 		  | 		  | 		  | 		18.5 | 		  | 		500 | 		  | 		  | 		  | 		  | 		1200 |  			  BFR505 | 		SOT23 | 		6 | 		18 | 		1.9 | 		4 | 		NPN | 		15 | 		150 | 		9 | 		(19) | 		  | 		900 | 		  | 		10 | 		5 | 		LNA, Mixer, Buffer & VCO | 		900 & 1900 | 		17 | 		1.2 | 		10 | 		1.9 | 		17 | 		10 | 		900 | 		2000 | 		10 | 		1.6 | 		1.9 | 		  |  			  BFR505T | 		SOT416 | 		  | 		18 | 		  | 		  | 		NPN | 		  | 		150 | 		9 | 		  | 		  | 		  | 		  | 		  | 		18 | 		  | 		  | 		  | 		  | 		  | 		  | 		17 | 		  | 		900 | 		  | 		  | 		1.2 | 		  | 		  |  			  BFR520 | 		SOT23 | 		6 | 		70 | 		1.9 | 		17 | 		NPN | 		15 | 		300 | 		9 | 		(20) | 		  | 		900 | 		  | 		26 | 		20 | 		LNA, Mixer, Buffer & VCO | 		900 & 1900 | 		17 | 		1.2 | 		10 | 		1.9 | 		15 | 		9 | 		900 | 		2000 | 		10 | 		1.6 | 		1.9 | 		  |  			  BFR520T | 		SOT416 | 		  | 		70 | 		  | 		17 | 		NPN | 		  | 		150 | 		9 | 		  | 		  | 		  | 		  | 		26 | 		70 | 		  | 		  | 		  | 		  | 		  | 		  | 		15 | 		9 | 		900 | 		2000 | 		  | 		1.6 | 		1.9 | 		  |  			  BFR540 | 		SOT23 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 | 		480 | 		9 | 		(21) | 		  | 		900 | 		550 | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		14 | 		7 | 		900 | 		2000 | 		  | 		1.9 | 		2.1 | 		550 |  			  BFS25A | 		SOT323 | 		  | 		6.5 | 		1.8 | 		  | 		NPN | 		5 | 		32 | 		5 | 		(18) | 		  | 		1000 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		13 | 		  | 		1000 | 		  | 		  | 		1.8 | 		  | 		  |  			  BFS505 | 		SOT323 | 		6 | 		18 | 		1.9 | 		4 | 		NPN | 		15 | 		150 | 		9 | 		(19) | 		  | 		900 | 		  | 		10 | 		5 | 		LNA, Mixer, Buffer & VCO | 		900 & 1900 | 		17 | 		1.2 | 		10 | 		1.9 | 		17 | 		10 | 		900 | 		2000 | 		10 | 		1.6 | 		1.9 | 		  |  			  BFS520 | 		SOT323 | 		6 | 		70 | 		1.9 | 		17 | 		NPN | 		15 | 		300 | 		9 | 		(20) | 		  | 		900 | 		  | 		26 | 		20 | 		LNA, Mixer, Buffer & VCO | 		900 & 1900 | 		17 | 		1.2 | 		10 | 		1.9 | 		15 | 		9 | 		900 | 		2000 | 		10 | 		1.6 | 		1.9 | 		  |  			  BFS540 | 		SOT323 | 		8 | 		120 | 		2.1 | 		21 | 		NPN | 		15 | 		500 | 		9 | 		(21) | 		  | 		900 | 		  | 		34 | 		40 | 		  | 		  | 		  | 		  | 		  | 		  | 		14 | 		8 | 		900 | 		2000 | 		  | 		1.9 | 		2.1 | 		  |  			  BFT25A | 		SOT23 | 		  | 		6.5 | 		1.8 | 		  | 		NPN | 		5 | 		32 | 		5 | 		(18) | 		  | 		1000 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		15 | 		  | 		1000 | 		  | 		  | 		1.8 | 		  | 		  |  			  PRF947 | 		SOT323 | 		  | 		50 | 		  | 		  | 		NPN | 		10 | 		250 | 		8.5 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		16 | 		10 | 		1000 | 		2000 | 		  | 		1.5 | 		2.1 | 		  |  			  PRF949 | 		SOT416 | 		  | 		50 | 		  | 		  | 		NPN | 		10 | 		150 | 		9 | 		  | 		  | 		  | 		  | 		  | 		50 | 		  | 		  | 		  | 		  | 		  | 		  | 		16 | 		  | 		1000 | 		  | 		  | 		1.5 | 		  | 		  |  			  PRF957 | 		SOT323 | 		  | 		100 | 		  | 		  | 		NPN | 		10 | 		270 | 		8.5 | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		  | 		15 | 		9.2 | 		1000 | 		2000 | 		  | 		1.3 | 		1.8 | 		  |    Copyright © 2000 Royal Philips Electronics All rights reserved. Terms and conditions.
 
 	Notes:	 		- VCES		
 - At dim = -60 dB, measured according to DIN45004B, par. 6.3: 3-tone test.		
 - Minimum value.		
 - Power gain Gp.	
  			  		Transition frequency as a function of collector current for the five generations of		RF bipolar wideband transistors.	
	Disclaimer: The purpose of this selection guide is to help you to make a selection of products to consider. We recommend that you completely review our datasheet to confirm the device functionality for your application. This information is for suggestion purposes only. Philips Semiconductors is not responsible for any incorrect or incomplete information.
 
	  Cross reference for PACKAGEs
 
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