Infineon Technologies N/A BC 857 B PNP Case type SOT 23 I(C) BC857B 데이터 시트
제품 코드
BC857B
BC 856 ... BC 860
Semiconductor Group
4
Electrical Characteristics
at
at
T
A
= 25 ˚C, unless otherwise specified.
Unit
Values
Parameter
Symbol
min.
typ.
max.
MHz
Transition frequency
I
C
= 20 mA,
V
CE
= 5 V,
f
= 100 MHz
f
T
–
250
–
AC characteristics
pF
Output capacitance
V
CB
= 10 V,
f
= 1 MHz
C
obo
–
3
–
Input capacitance
V
CB
= 0.5 V,
f
= 1 MHz
C
ibo
–
8
–
k
Ω
Short-circuit input impedance
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
BC 856 A … BC 859 A
BC 856 B … BC 860 B
BC 857 C … BC 860 C
BC 856 B … BC 860 B
BC 857 C … BC 860 C
h
11e
–
–
–
–
–
2.7
4.5
8.7
4.5
8.7
–
–
–
–
–
dB
Noise figure
I
C
= 0.2 mA,
V
CE
= 5 V,
R
S
= 2 k
Ω
f
= 30 Hz … 15 kHz
BC 859
BC 860
BC 860
f
= 1 kHz,
∆
f
= 200 Hz
BC 859
BC 860
BC 860
F
–
–
–
–
–
–
–
1.2
1.0
1.0
1.0
1.0
1.0
1.0
4
3
4
4
3
4
4
10
– 4
Open-circuit reverse voltage transfer ratio
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
BC 856 A … BC 859 A
BC 856 B … BC 860 B
BC 857 C … BC 860 C
BC 856 B … BC 860 B
BC 857 C … BC 860 C
h
12e
–
–
–
–
–
1.5
2.0
3.0
2.0
3.0
–
–
–
–
–
–
Short-circuit forward current transfer ratio
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
BC 856 A … BC 859 A
BC 856 B … BC 860 B
BC 857 C … BC 860 C
BC 856 B … BC 860 B
BC 857 C … BC 860 C
h
21e
–
–
–
–
–
200
330
600
330
600
–
–
–
–
–
µ
S
Open-circuit output admittance
I
C
= 2 mA,
V
CE
= 5 V,
f
= 1 kHz
BC 856 A … BC 859 A
BC 856 B … BC 860 B
BC 857 C … BC 860 C
BC 856 B … BC 860 B
BC 857 C … BC 860 C
h
22e
–
–
–
–
–
18
30
60
30
60
–
–
–
–
–
µ
V
Equivalent noise voltage
I
C
= 0.2 mA,
V
CE
= 5 V,
R
S
= 2 k
Ω
f
= 10 Hz … 50 Hz
BC 860
V
n
–
–
0.110