BC546…BC550A/B/C
NPN Transistor
TO-92
Small Signal Product
Features
◇For
switching and AF amplifier applications
◇These
types are subdivided into three groups A, B and C
according to their current gain
◇Moisture
sensitivity level 1
◇Driver
transistor
◇Pb
free version and RoHS compliant
◇Green
compound (Halogen free) with suffix "G" on
packing code and prefix "G" on date code
Mechanical Data
◇Case
: TO-92 small outline plastic package
per MIL-STD-202, Method 208 guaranteed
◇High
temperature soldering guaranteed: 260℃/10s
◇Wright
approx.: 190 mg
Ordering Information (example)
Part No.
BC546…BC550/A/B/C
Package
TO-92
Packing
4K / AMMO
Packing code
A1
Packing code
(Green)
A1G
Marking
BC546A/B/C
Manufacture code
B0
Note：Detail please see "Ordering Information(detail, example)" below.
Maximum Ratings and Electrical Characteristics
Rating at 25
℃
ambient temperature unless otherwise specified.
Parameter
BC546
Collector Base Voltage
BC547, BC550
BC548, BC549
BC546
Collector Emitter Voltage
Emitter Base Voltage
Collector Current (DC)
Peak Collector Current
Total Power Dissipation
Junction Temperature
Storage Temperature Range
BC547, BC550
BC548, BC549
Symbol
V
CBO
Value
80
50
30
65
Units
V
V
CEO
V
EBO
I
C
I
CM
P
TOT
T
J
T
STG
45
30
6
100
200
500
150
- 65 to + 150
V
V
mA
mA
mW
O
O
C
C
Version：A13
Small Signal Product
Characteristics at T
A
=25℃
Parameter
DC Current Gain
at V
CE
= 5 V, I
C
= 2 mA
Current Gain Group A
B
C
Collector Base Cutoff Current
at V
CB
=30V
Emitter Base Cutoff Current
at V
EB
=5V
Collector Base Breakdown Voltage
at I
C
=100μA
Collector Emitter Breakdown Voltage
at I
C
=1 mA
Emitter Base Breakdown Voltage
BC546
Symbol
Min.
110
200
420
Typ.
-
-
-
-
-
-
-
-
-
-
-
-
Max.
220
450
800
15
100
-
-
-
-
-
-
-
Units
h
FE
V
I
CBO
I
EBO
-
-
80
50
30
65
45
30
6
nA
nA
BC547, BC550 V
(BR)CBO
BC548, BC549
BC546
BC547, BC550 V
(BR)CEO
BC548, BC549
at I
E
=100uA
V
(BR)EBO
V
V
V
FIG.1 Static Characteristic
100
100
I
E
=400uA
I
E
=300uA
I
E
=250uA
I
E
=200uA
I
E
=150uA
I
E
=100uA
I
E
=50uA
0
0
4
8
12
16
20
FIG. 2 Transfer Characteristic
Ic(mA), Collector Current
Ic(mA), Collector Current
80
60
40
20
I
E
=350uA
V
CE
=5V
10
1
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
V
CE
(V), Collector Emitter Voltage
V
BE
(V), Base Emitter Voltage
FIG. 4 Base Emitter Saturation Voltage
Collector Emitter Saturation Voltage
10000
I
C
=10I
B
V
BE
(sat)
FIG. 3 DC Current Gain
1000
V
CE
=5V
V
BE
(sat), V
CE
(sat), Saturation Voltage
h
FE
, DC Current Gain
1000
100
100
V
CE
(sat)
10
1
10
100
1000
10
1
10
100
1000
Ic(mA), Collector Current
Ic(mA), Collector Current
Version:A13
Small Signal Product
Ordering information(detail, example)
Part No.
BC5xxA/B/C
(Note1)
BC546A/B/C
Package
TO-92
TO-92
Packing
4K / Ammo
5K / Bulk
4K / Ammo
Packing
code
A1
B1
A1
Packing code
(Green)
A1G
B1G
A1G
A1G
Marking
BC5xxA/B/C
(Note1)
BC546A/B/C
BC546A/B/C
B0
Manufacture code
(Note 2)
BC546A/B/C TO-92 4K / Ammo
A1
Note 1: "xx" is Device Code from "46" thru "50".
Note 2: Manufacture dpecial control, if empty means no special control requirement.
Dimensions
DIM.
A
B
C
D
E
F
G
H
I
Unit(mm)
Min
4.40
4.30
12.50
1.17
0.350
1.17
1.00
0.29
3.30
Max
5.10
4.70
-
1.37
0.550
1.37
1.40
0.51
4.10
Unit(inch)
Min
0.173
0.169
0.492
0.046
0.014
0.046
0.039
0.011
0.130
Max
0.201
0.185
-
0.054
0.022
0.054
0.055
0.020
0.161
AMMO Packing Dimensions
Unit(mm)
DIM.
Min
A
B
C
D
E
G
H
I
4.30
4.30
12.50
2.20
0.350
1.00
0.29
3.40
Max
5.10
4.70
-
2.80
0.550
1.40
0.51
4.10
Min
0.169
0.169
0.492
0.087
0.014
0.039
0.011
0.134
Max
0.201
0.185
-
0.110
0.022
0.055
0.020
0.161
Unit(inch)
Version:A13
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