BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
500mW, NPN Small Signal Transistor
FEATURES
●
●
●
●
Low power loss, high efficiency
Ideal for automated placement
High surge current capability
Compliant to RoHS directive 2011/65/EU and
in accordance to WEEE 2002/96/EC
● Halogen-free according to IEC 61249-2-21
KEY PARAMETERS
PARAMETER
V
CBO
V
CEO
V
EBO
I
C
h
FE
Package
Configuration
VALUE
30-80
30-65
6
100
220-800
TO-92
Single Dice
UNIT
V
V
V
mA
APPLICATIONS
●
●
●
●
Switching mode power supply (SMPS)
Adapters
Lighting application
On-board DC/DC converter
MECHANICAL DATA
●
●
●
●
Case: TO-92
Molding compound meets UL 94 V-0 flammability rating
Moisture sensitivity level: level 1, per J-STD-020
Packing code with suffix "G" means green compound
(halogen-free)
● Terminal: Matte tin plated leads, solderable per J-STD-002
● Meet JESD 201 class 1A whisker test
● Weight: 8mg (approximately)
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25°C unless otherwise noted)
PARAMETER
Marking code on the device
Power dissipation
P
D
SYMBOL
VALUE
BC8xxA/B/C
(Note 1)
500
UNIT
mW
Notes:
1. "xx" is device code from "46" to "50", "MARKING" should follow the "PART NO."
1
Version:C1703
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25°C unless otherwise noted)
PARAMETER
Collector-base voltage, emitter open
BC546
BC547,BC550
BC548,BC549
BC546
BC547,BC550
BC548,BC549
BC546
BC547,BC550
BC548,BC549
SYMBOL
V
CBO
VALUE
80
50
30
65
45
30
6
6
6
100
200
-65 to +150
-65 to +150
UNIT
V
Collector-emitter voltage, base open
V
CEO
V
Emitter-base voltage, collector open
Collector current
Peak collector current
Junction temperature
Storage temperature
V
EBO
I
C
I
CM
T
J
T
STG
V
mA
mA
°C
°C
ELECTRICAL SPECIFICATIONS
(T
A
= 25°C unless otherwise noted)
PARAMETER
Collector cutoff
current, emitter
open
Emitter cutoff
current,
collector open
Collector-base
voltage,
emitter open
Collector-
emitter voltage,
base open
Emitter-base
voltage,
collector open
DC current
gain
V
CE
= 5 V,
I
C
= 2 mA
I
E
= 100 µA
I
C
= 10 mA
I
C
= 100 µA
BC546
BC547,BC550
BC548,BC549
BC546
BC547,BC550
BC548,BC549
BC546
BC547,BC550
BC548,BC549
Current gain group :A
B
C
h
FE
V
EBO
V
CEO
V
CBO
80
50
30
65
45
30
6
6
6
110
200
420
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
220
450
800
V
V
V
V
EB
= 5 V
I
EBO
-
-
100
nA
V
CB
= 30 V
I
CBO
-
-
15
nA
CONDITIONS
SYMBOL
MIN
TYP
MAX
UNIT
2
Version:C1703
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
ORDERING INFORMATION
PART NO.
BC5xxA/B/C
(Note 1)
PACKING
CODE
A1
G
B1
TO-92
5K / Bulk
PACKING CODE
SUFFIX(*)
PACKAGE
PACKING
4K / Ammo
Notes:
1. "xx" is device code from "46" to "50"
*: optional available
EXAMPLE
EXAMPLE P/N
BC546A A1G
PART NO.
BC546A
PACKING CODE
A1
PACKING CODE
SUFFIX
G
DESCRIPTION
Green compound
3
Version:C1703
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
CHARACTERISTICS CURVES
(T
A
= 25°C unless otherwise noted)
Fig. 1 Static Characteristic
100
I
B
= 400μA
I
C
[mA], Collector Current
Ic(mA), Collector Current
80
I
B
= 350μA
I
B
= 300μA
60
I
B
= 250μA
I
B
= 200μA
40
I
B
= 150μA
I
B
= 100μA
20
I
B
= 50μA
0
0
4
8
12
16
20
V
CE
(V), Collector Emitter Voltage
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
10
V
CE
=5V
100
Fig. 2 Transfer Characteristic
1
V
BE
(V), Base Emitter Voltage
Fig. 3 DC Current Gain
1000
V
BE
(sat), V
CE
(sat), Saturation Voltage
10000
Fig. 4 Base Emitter Saturation Voltage
Collector Emitter Saturation Voltage
I
C
=10I
B
V
BE
(sat)
1000
V
CE
=5V
h
FE
, DC Current Gain
100
100
V
CE
(sat)
10
1
10
100
1000
Ic(mA), Collector Current
10
1
10
100
1000
Ic(mA), Collector Current
4
Version:C1703
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
PACKAGE OUTLINE DIMENSION
TO-92 Bulk
DIM.
A
B
C
D
E
F
G
H
I
Unit(mm)
Min
4.40
4.30
12.50
1.17
0.35
1.17
0.59
0.29
3.30
Max
5.10
4.70
14.50
1.37
0.55
1.37
1.40
0.51
4.10
Unit(inch)
Min
0.173
0.169
0.492
0.046
0.014
0.046
0.023
0.011
0.130
Max
0.201
0.185
-
0.054
0.022
0.054
0.055
0.020
0.161
TO-92 Ammo
DIM.
A
B
C
D
E
G
H
I
Unit(mm)
Min
4.30
4.30
12.50
2.20
0.35
1.00
0.29
3.30
Max
4.70
4.70
-
2.80
0.55
1.20
0.51
3.70
Unit(inch)
Min
0.169
0.169
0.492
0.087
0.014
0.039
0.011
0.130
Max
0.185
0.185
-
0.110
0.022
0.047
0.020
0.146
5
Version:C1703
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