mA
Base Current - Peak IBM
Storge Temperature Tstg
mW
Tamb = 25 oC
Total power dissipation up to Ptot
DESCRIPTION SYMBOL UNITS
Collector Emmitter Voltage
V
V80 50 30
VCEO
V
V
IEM
ICmA
ICM
mA
555
500
-55 to +150 oC
150 oC
oC/W
250
BC556
200
100
200
80 50
BC557 BC558
30
65 30
200
VCES
Collector Base Voltage VCBO
Collector Current Continuous
Peak
Thermal Resistance
Junction Temperature Tj
From junction to ambient Rth(j-a)
45
Emitter Base Voltage VEBO
Emitter Current - Peak
Collector Emitter Voltage
PNP Silicon Planar Epitaxial Transistors
BC556,A,B,C
BC557,A,B,C
BC558,A,B,C
Absolute Maximum Ratings (Ta = 25 oC unless specified otherwise)
TO-92 SMD Package
2
3
1
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BC556,A,B,C
BC557,A,B,C
BC558,A,B,C
MIN TYP MAX
65
45
30
80
50
30
5
15
4
0.20 15
0.20 15
0.20 15
4
4
4
0.55 0.66 0.70
0.82
0.09 0.30
0.25 0.65
0.70
0.90
90
150
270
75 475
75 800
110 180 220
200 290 450
420 500 800
120
200
400
IE = 100uA, IC = 0
nA
BC556 VCE = 80V nA
ICES
VCE = 80V, Tj = 125oCuA
BC558
IC = 100uA, IE = 0
V
BC556
BC557
BC558
IC = 2mA, IB = 0
Collector Emitter Voltage
BC556 V
BC557
ICBO
BC558
VCEO
Collector Cut off Current
VEBO
Collector Base Voltage VCBO
IC= 100mA, IB= 5mA
Base Emitter Saturation Voltage VBE(Sat) IC= 10mA, IB= 0.5mA
B
hFE
C
A
BC556
V
V
IC= 100mA, IB= 5mA
VCE = 5V, IC = 100mA
BC556
Base Emitter On Voltage
TEST CONDITION
VBE(on) IC= 2mA, VCE = 5V
IC= 10mA, VCE = 5V
Collector Cut off Current
VCE = 5V, IC = 2mA
Emitter Base Voltage
uA
BC557 VCE = 50V, Tj = 125oCuA
UNITS
Collector Emitter Saturation Voltage IC= 10mA, IB= 0.5mA
VCB = 30V, IE = 0
DESCRIPTION SYMBOL
VCB = 30V, IE = 0, Tj = 150oC
DC Current Gain
C
B
A
BC557 VCE = 50V nA
VCE = 5V, IC = 10uA
BC558 VCE = 30V
VCE = 30V, Tj = 125oC
V
VCE(Sat) V
nA
uA
A
B
C
BC557/BC558
Electrical Characteristics (Ta=25 oC unless otherwise specified)
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BC556,A,B,C
BC557,A,B,C
BC558,A,B,C
MIN TYP MA
X
150
6
210
220
330
600
1.6 2.7 4.5
3.2 4.5 8.5
6.0 8.7 15
1.5
2.0
3.0
18 30
30 60
60 110
u MHO
DYNAMICS CHARACTERISTICS
Transition Frequency fTIC = 10mA, VCE = 5V, f = 100MHZMHZ
x10
Input Impedance VCE = 5V, IC = 2mA, f= 1kHZ
A
hie
Noise Figure NF VCE = 5V, IC = 0.2mA dB
RS= 2k ohm, f = 1KHZ, B= 200HZ
B
C
hfe
Small Signal Current Gain VCE = 5V, IC = 2mA, f= 1kHZ
A
Collector output Capacitance Ccbo VCB = 10V, f = 1MHZpF
C
B
C
C
hre VCE = 5V, IC = 2mA, f= 1kHZ
A
Output Admittance hoe VCE = 5V, IC = 2mA, f= 1kHZ
Voltage Feedback
B
A
k ohm
B
DESCRIPTION SYMBOL TEST CONDITION UNITS
Electrical Characteristics (Ta=25 oC unless otherwise specified)
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