NPN

BC546B ; Transistor NPN 65V 0.1A 1.5W 300MHz, TO-92

BC546B_ON.pdf Complementary to PNP BC556B.

BC440 ; Transistor NPN 40V 1A 10W 50MHz, TO-39

BC440_MICRO.pdf

BC338-40 ; Transistor NPN 25V 0.8A 625mW 100MHz, TO-92

BC338-40.pdf Complementary to PNP BC328.

BC337-40 ; Transistor NPN 45V 0.8A 625mW 100MHz, TO-92

BC337-40.pdf Complementary to PNP BC327.

BC237 ; Transistor NPN 45V 0.1A 0.5W 85MHz, TO-92

BC237_Fairchild.pdf

BC182LB ; Transistor NPN 50V 0.1A 1W 150MHz, TO-92

BC182LB.pdf

BC148 ; Transistor NPN 20V 0.1A 0.3W 85MHz, TO-92F

BC148.pdf

BC141 ; Transistor NPN 60V 1A 4W 50MHz, TO-39

BC141_ST.pdf Complementary to PNP BC161.

BC140-6 ; Transistor NPN 60V 1A 3.7W 50MHz, TO-39

BC140_CDIL.pdf Complementary to PNP BC160.

BC109 ; Transistor NPN 25V 0.2A 1W 150MHz, TO-18

BC109.pdf

BC108 ; Transistor NPN 25V 0.2A 1W 150MHz, TO-18

BC108_ST.pdf

BC107 ; Transistor NPN 45V 0.2A 0.6W 150MHz, TO-18

BC107_ST.pdf Complementary to PNP BC177.

B13003 ; Transistor NPN+D V A W MHz, TO-126

B13003.pdf  

8M_DTC123JET1G ; Transistor NPN-Logic-with-Resistors 50V 0.1A 200mW MHz, SC-75

6Ct_BC817 ; Transistor NPN 45V 0.5A 0.35W 100MHz, SOT-23

6Ct_BC817.pdf PNP complement is BC807.

5609 ; Transistor NPN 20V 1A 0.75W 190MHz, TO-92L

5609.pdf

J44H11G_MJD44H11 ; Transistor NPN 80V 8A 20W MHZ, TO-252

J44H11G.pdf

458-056 ; Transistor NPN 850V 15A W MHz, TO-3

The replacement is NTE53.

2SD94 ; Transistor NPN 80V 3A 20W 3.5MHz, TO-66

2SD93 ; Transistor NPN 70V 3A 20W 3.5MHz, TO-66

2SD91 ; Transistor NPN 40V 3A 20W 3.5MHz, TO-66

2SD91.pdf

2SD73 ; Transistor NPN 100V 5A 60W 20MHz, TO-3

2SD73.pdf

C790_2SC790 ; Transistor NPN 40V 3A 25W 3MHz, TO-220

C790.pdf

C644_2SC644 ; Transistor NPN 25V 50mA 150mW 75MHz, TO-92

C644.pdf

2SC5200 ; Transistor NPN 230V 15A 150W 30MHz, TO-264

2SC5200.pdf  

2SC3948 ; Transistor NPN 500V 10A 75W 20MHz, TO-3PF

2SC3948.pdf

C388_2SC388 ; Transistor NPN 25V 50mA 0.3W 300MHz, TO-92

C388.pdf

C3852_2SC3852 ; Transistor NPN 80V 3A 25W 15MHz, TO-220F

2SC1947 ; Transistor NPN 17V 1A 10W VHF, TO-39

2SC1947.pdf

2N5551 ; Transistor NPN 160V 0.6A 1.5W 300MHz, TO-92

2N5551.pdf

2N5428 ; Transistor NPN 80V 7A 40W 20MHz, TO-66

2N5428.pdf

2N4996 ; Transistor NPN 18V 50mA 0.25W 600MHz, TO-92

2N4996.pdf

2N4401 ; Transistor NPN 40V 0.6A 0.625W 250MHz, TO-92

2N4401.pdf 2N4401 is complementary to PNP 2N4403.

2N3924 ; Transistor NPN 18V 1.5A 7W 250MHz, TO-39

2N3924.pdf

2N3904 ; Transistor NPN 40V 0.2A 1.5W 300MHz, TO-92

2N3904.pdf

2N3866A ; Transistor NPN 30V 0.4A 5W 800MHz, TO-39

2N3866A.pdf

2N3860 ; Transistor NPN 30V 0.1A 360W 250MHz, TO-92

2N3860.pdf

2N3773 ; Transistor NPN 140V 16A 150W MHz, TO-3

2N3773.pdf

2N3771 ; Transistor NPN 40V 30A 150W 0.2MHz, TO-3

2N3771.pdf

2N3704 ; Transistor NPN 30V 0.5A 625mW 100MHz, TO-92

2N3704.pdf

2N3553 ; Transistor NPN 40V 0.35A 7W 500MHz, TO-39

2N3553.pdf

2N3055 ; Transistor NPN 60V 15A 115W 2.5MHz, TO-3

2N3055.pdf

2N3054A ; Transistor NPN 55V 4A 75W 3MHz, TO-66

2N3054A.pdf

2N3053 ; Transistor NPN 60V 0.7A 5W 100MHz, TO-39

2N3053.pdf

2N2484 ; Transistor NPN 60V 50mA 0.36W 60MHz, TO-18

2N2484.pdf

2N2222A ; Transistor NPN 40V 0.6A 625mW 300MHz, TO-92

2N2222A.pdf

2N2222A ; Transistor NPN 40V 0.6A 1.8W 300MHz, TO-18

2N2222A.pdf

2N2219A ; Transistor NPN 50V 0.8A 3W MHz, TO-39

2N2219A.pdf

1B_BC846B ; Transistor NPN 65V 0.1A 0.25W MHz, SOT-23

1B_BC846B.pdf 

083AG_TD62083AG ; Transistor-Array NPN-Darlington-8 V A W MHz, SSOP-18

083AG_TD62083AG.pdf