Datasheet

1999. 3. 9 2/3
BC856/7/8
Revision No : 3
ELECTRICAL CHARACTERISTICS (Ta=25 )
NOTE : According to the value of h
FE
the BC856, BC857, BC858 are classified as follows.
CHARACTERISTIC SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Collector Cut-off Current
I
CBO
V
CB
=-30V, I
E
=0
- - -15 nA
DC Current Gain (Note)
BC856
h
FE
V
CE
=-5V, I
C
=-2mA
125 - 475
BC857 125 - 800
BC858 125 - 800
Collector-Emitter Saturation Voltage
V
CE(sat)
1 I
C
=-10mA, I
B
=-0.5mA
- -0.09 -0.3
V
V
CE(sat)
2 I
C
=-100mA, I
B
=-5mA
- -0.25 -0.65
Base-Emitter Saturation Voltage
V
BE(sat)
1 I
C
=-10mA, I
B
=-0.5mA
- -0.7 -
V
V
BE(sat)
2 I
C
=-100mA, I
B
=-5mA
- -0.9 -
Base-Emitter Voltage
V
BE(ON1)
V
CE
=-5V, I
C
=-2mA
-0.6 -0.65 -0.75 V
Base-Emitter Voltage
V
BE(ON2)
V
CE
=-5V, I
C
=-10mA
- - -0.82 V
Transition Frequency
f
T
V
CE
=-5V, I
C
=-10mA, f=100MHz
- 150 - MHz
Collector Output Capacitance
C
ob
V
CB
=-10V, I
E
=0, f=1MHz
- 4.5 - pF
Noise Figure NF
V
CE
=-6V, I
C
=-0.2mA
R
g
=2k , f=1kHz
- 2.0 10 dB
CLASSIFICATION A B C
h
FE
BC856
125 250 220 475
-
BC857
125 250 220 475 420 800
BC858
125 250 220 475 420 800