BC546 THRU BC549
ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified
Symbol
Min.
h-Parameters at VCE = 5 V, IC = 2 mA,
f = 1 kHz,
Small Signal Current Gain
Current Gain Group A hfe
–
B hfe
–
C hfe
–
Input Impedance Current Gain Group A hie
1.6
B hie
3.2
C hie
6
Output Admittance Current Gain Group A hoe
–
B hoe
–
C hoe
–
Reverse Voltage Transfer Ratio
Current Gain Group A hre
–
B hre
–
C hre
–
DC Current Gain
at VCE = 5 V, IC = 10µA
Current Gain Group A hFE
–
B
hFE
–
C
hFE
–
at VCE = 5 V, IC = 2 mA
Current Gain Group A hFE
110
B
hFE
200
C
hFE
420
at VCE = 5 V, IC = 100 mA
Current Gain Group A
B
hFE
hFE
–
–
C
hFE
–
Thermal Resistance Junction to Ambient Air
RthJA
–
Collector Saturation Voltage
at IC = 10 mA, IB = 0.5 mA
at IC = 100 mA, IB = 5 mA
VCEsat
–
VCEsat
–
Base Saturation Voltage
at IC = 10 mA, IB = 0.5 mA
at IC = 100 mA, IB = 5 mA
VBEsat
–
VBEsat
–
Base-Emitter Voltage
at VCE = 5 V, IC = 2 mA
at VCE = 5 V, IC = 10 mA
VBE
580
VBE
–
Collector-Emitter Cutoff Current
at VCE = 80 V
at VCE = 50 V
BC546 ICES
–
BC547 ICES
–
at VCE = 30 V
BC548, BC549 ICES
–
at VCE = 80 V, Tj = 125 °C
at VCE = 50 V, Tj = 125 °C
BC546 ICES
–
BC547 ICES
–
1) Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case
Typ.
Max.
Unit
220
–
–
330
–
–
600
–
–
2.7
4.5
kΩ
4.5
8.5
kΩ
8.7
15
kΩ
18
30
µS
30
60
µS
60
110
µS
1.5 · 10–4 –
–
2 · 10–4
–
–
3 · 10–4
–
–
90
–
–
150
–
–
270
–
–
180
220
–
290
450
–
500
800
–
120
–
–
200
–
–
400
–
–
–
2501)
K/W
80
200
mV
200
600
mV
700
–
mV
900
–
mV
660
700
mV
–
720
mV
0.2
15
nA
0.2
15
nA
0.2
15
nA
–
4
µA
–
4
µA