Datasheet

BC556B, BC557A, B, C, BC558B
http://onsemi.com
4
BC556
Figure 7. DC Current Gain
I
C
, COLLECTOR CURRENT (mA)
Figure 8. “On” Voltage
I
C
, COLLECTOR CURRENT (mA)
−0.8
−1.0
−0.6
−0.2
−0.4
1.0
2.0
−0.1 −1.0
−10 −200
−0.2
0.2
0.5
−0.2 −1.0
−10 −200
T
J
= 25°C
V
BE(sat)
@ I
C
/I
B
= 10
V
CE(sat)
@ I
C
/I
B
= 10
V
BE
@ V
CE
= −5.0 V
Figure 9. Collector Saturation Region
I
B
, BASE CURRENT (mA)
Figure 10. Base−Emitter Temperature Coefficien
t
I
C
, COLLECTOR CURRENT (mA)
−1.0
−1.2
−1.6
−2.0
−0.02 −1.0
−10
0
−20
−0.1
−0.4
−0.8
V
CE
, COLLECTOR−EMITTER VOLTAGE (VOLTS)
VB
, TEMPERATURE COEFFICIENT (mV/ C)°θ
−0.2 −2.0
−10 −200
−1.0
T
J
= 25°C
I
C
=
−10 mA
h
FE
, DC CURRENT GAIN (NORMALIZED)
V, VOLTAGE (VOLTS)
V
CE
= −5.0 V
T
A
= 25°C
0
−0.5 −2.0 −5.0
−20 −50 −100
−0.05 −0.2 −0.5 −2.0 −5.0
−100 mA
−20 mA
−1.4
−1.8
−2.2
−2.6
−3.0
−0.5 −5.0 −20
−50 −100
−55°C to 125°C
q
VB
for V
BE
−2.0
−5.0
−20
−50
−100
Figure 11. Capacitance
V
R
, REVERSE VOLTAGE (VOLTS)
40
Figure 12. Current−Gain − Bandwidth Product
I
C
, COLLECTOR CURRENT (mA)
−0.1 −0.2 −1.0 −50
2.0
−2.0 −10
−100
100
200
500
50
20
20
10
6.0
4.0
−1.0 −10
−100
V
CE
= −5.0 V
C, CAPACITANCE (pF)
f, CURRENT−GAIN − BANDWIDTH PRODUCT
T
−0.5 −5.0 −20
T
J
= 25°C
C
ob
C
ib
8.0
−50 mA
−200 mA