1997 Jul 21 18
Philips Semiconductors
Small-signal Transistors Selection guide
LEADED DEVICES (continued)
NPN POWER DARLINGTON TRANSISTORS
PNP POWER DARLINGTON TRANSISTORS
LEADED DEVICES (continued)
NPN MEDIUM-FREQUENCY TRANSISTORS
PNP MEDIUM-FREQUENCY TRANSISTORS
TYPE
NUMBER PACKAGE VCES
max.
(V)
IC
max.
(mA)
Ptot
max.
(mW)
hFE
min. hFE
max.
fT
min.
(MHz)
toff
max.
(ns)
PNP
COMPL. PAGE
BDX42 TO-126 45 1000 1250 2000 >2000 200 typ. – BDX45 516
BDX43 TO-126 60 1000 1250 2000 >2000 200 typ. – – 516
BDX44 TO-126 80 1000 1250 2000 >2000 200 typ. – BDX47 516
TYPE
NUMBER PACKAGE VCES
max.
(V)
IC
max.
(mA)
Ptot
max.
(mW)
hFE
min. hFE
max.
fT
min.
(MHz)
toff
max.
(ns)
NPN
COMPL. PAGE
BDX45 TO-126 45 1000 1250 2000 >2000 200 typ. – BDX42 520
BDX47 TO-126 80 1000 1250 2000 >2000 200 typ. – BDX44 520
TYPE
NUMBER PACKAGE VCEO
max.
(V)
IC
max.
(mA)
Ptot
max.
(mW)
hFE
min. hFE
max.
fT
min.
(MHz) PAGE
BF199 TO-92 25 25 500 38 >38 550 typ. 542
BF240 TO-92 40 25 300 67 220 150 526
BF240B TO-92 40 25 300 100 220 150 526
BF370 TO-92 15 100 500 40 >40 490 530
BF370R TO-92 15 100 500 40 >40 490 530
BF494 TO-92 20 30 300 67 220 120 556
BF494B TO-92 20 30 300 100 220 120 556
BF495 TO-92 20 30 300 35 125 120 556
BF495B TO-92 20 30 300 11 125 120 556
BFR54 TO-92 15 100 500 40 >40 500 596
TYPE
NUMBER PACKAGE VCEO
max.
(V)
IC
max.
(mA)
Ptot
max.
(mW)
hFE
min. hFE
max.
fT
min.
(MHz) PAGE
BF324 TO-92 30 25 300 25 >25 450 typ 528
BF450 TO-92 40 25 300 50 >50 350 542
