BF554 Siemens Semiconductor Group, BF554 Datasheet - Page 2

• Manufacturer Part Number: BF554
• Description: NPN Silicon RF Transistor (For general small-signal RF applications up to 300 MHz in amplifier/ mixer and oscillator circuits)
• Manufacturer: Siemens Semiconductor Group

Electrical Characteristics
at T
Parameter
DC Characteristics
Collector-emitter breakdown voltage
I
Collector cutoff current
V
DC current gain
I
Base-emitter voltage
I
AC Characteristics
Transition frequency
I
Collector-base capacitance
V
Noise figure
I
Output conductance
I
Semiconductor Group
f = 200 kHz, g
f = 1 MHz, g
f = 100 MHz, g
C
C
C
C
C
C
CB
CE
= 1 mA, I
= 1 mA, V
= 1 mA, V
= 1 mA, V
= 1 mA, V
= 1 mA, V
A
= 20 V, I
= 10 V, V
= 25 ˚C, unless otherwise specified.
B
CE
CE
CE
CE
S
CE
E
= 0
BE
= 1.5 mS
= 0
S
= 10 V
= 10 V
= 10 V, f = 100 MHz
= 10 V
S
= 10 V, f = 0.5...10 MHz
= 0 V, f = 1 MHz
= 2 mS
= 10 mS
2
Symbol
V
I
h
V
C
F
g
f
CB0
T
FE
22e
(BR) CE0
BE
cb
min.
20
–
60
–
–
–
–
–
–
–
Values
typ.
–
–
–
0.7
250
0.6
1.5
1.2
3
4
max.
–
100
250
–
–
–
–
–
–
–
BF 554
Unit
V
nA
–
V
MHz
pF
dB
S