INFINEON BF721

PNP Silicon High-Voltage Transistors
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BF 721
BF 723
Suitable for video output stages in TV sets and
switching power supplies
High breakdown voltage
Low collector-emitter saturation voltage
Low capacitance
Complementary types: BF 720/722 (NPN)
Type
Marking
Ordering Code
(tape and reel)
Pin Configuration
1
2
3
4
Package1)
BF 721
BF 723
BF 721
BF 723
Q62702-F1239
Q62702-F1309
B
SOT-223
C
E
C
Maximum Ratings
Parameter
Symbol
BF 721
Values
BF 723
Unit
Collector-emitter voltage
VCE0
VCER
–
300
250
–
Collector-base voltage
VCB0
300
250
Emitter-base voltage
VEB0
5
5
Collector current
IC
50
Peak collector current
ICM
100
Total power dissipation, TS ≤ 110 ˚C2)
Ptot
1.5
W
Junction temperature
Tj
150
˚C
Storage temperature range
Tstg
V
mA
– 65 … + 150
Thermal Resistance
Junction - ambient2)
Rth JA
≤
87
Junction - soldering point
Rth JS
≤
27
1)
2)
K/W
For detailed information see chapter Package Outlines.
Package mounted on epoxy pcb 40 mm × 40 mm × 1.5 mm/6 cm2 Cu.
Semiconductor Group
1
07.94
BF 721
BF 723
Electrical Characteristics
at TA = 25 ˚C, unless otherwise specified.
Parameter
Symbol
Values
Unit
min.
typ.
max.
DC characteristics
Collector-emitter breakdown voltage
IC = 1 mA, IB = 0
BF 723
V(BR)CE0
250
–
–
V
Collector-emitter breakdown voltage
IC = 10 µA, RBE = 2.7 kΩ
BF 721
V(BR)CER
300
–
–
Collector-base breakdown voltage
IC = 10 µA, IB = 0
BF 721
BF 723
V(BR)CB0
300
250
–
–
–
–
Emitter-base breakdown voltage
IE = 10 µA, IC = 0
V(BR)EB0
5
–
–
Collector-base cutoff current
VCB = 200 V, IE = 0
ICB0
–
–
10
nA
Collector-emitter cutoff current
VCE = 200 V, RBE = 2.7 kΩ
VCE = 200 V, RBE = 2.7 kΩ, TA = 150 ˚C
ICER
–
–
–
–
50
10
nA
µA
Emitter-base cutoff current
VEB = 5 V, IC = 0
IEB0
–
–
10
µA
DC current gain1)
IC = 25 mA, VCE = 20 V
hFE
50
–
–
–
Collector-emitter saturation voltage
IC = 30 mA, IB = 5 mA
VCEsat
–
–
0.6
V
Transition frequency
IC = 10 mA, VCE = 10 V, f = 100 MHz
fT
–
100
–
MHz
Collector-base capacitance
VCB = 30 V, IC = 0, f = 1 MHz
Cobo
–
0.8
–
pF
AC characteristics
1)
Pulse test conditions: t ≤ 300 µs, D = 2 %.
Semiconductor Group
2
BF 721
BF 723
Total power dissipation Ptot = f (TA*; TS)
* Package mounted on epoxy
Collector cutoff current ICB0 = f (TA)
VCB = 200 V
Collector current IC = f (VBE)
VCE = 20 V
Permissible pulse load Ptot max/Ptot DC = f (tp)
Semiconductor Group
3
BF 721
BF 723
DC current gain hFE = f (IC)
VCE = 20 V
Transition frequency fT = f (IC)
VCE = 10 V, f = 100 MHz
Collector-base capacitance Cobo = f (VCB)
IC = 0, f = 1 MHz
Semiconductor Group
4