BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
1 Version:C1703
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
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)
KEY PARAMETERS
PARAMETER
VALUE
UNIT
VCBO
30-80
V
VCEO
30-65
V
VEBO
6
V
IC
100
mA
hFE
220-800
Package
TO-92
Configuration
Single Dice
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
SYMBOL
VALUE
UNIT
BC8xxA/B/C
(Note 1)
PD
500
mW
Notes:
1. "xx" is device code from "46" to "50", "MARKING" should follow the "PART NO."
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
2 Version:C1703
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
SYMBOL
VALUE
UNIT
Collector-base voltage, emitter open
BC546
VCBO
80
V
BC547,BC550
50
BC548,BC549
30
Collector-emitter voltage, base open
BC546
VCEO
65
V
BC547,BC550
45
BC548,BC549
30
Emitter-base voltage, collector open
BC546
VEBO
6
V
BC547,BC550
6
BC548,BC549
6
IC
100
mA
ICM
200
mA
TJ
-65 to +150
°C
TSTG
-65 to +150
°C
ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)
PARAMETER
CONDITIONS
SYMBOL
MIN
TYP
MAX
UNIT
Collector cutoff
current, emitter
open
VCB = 30 V
ICBO
-
-
15
nA
Emitter cutoff
current,
collector open
VEB = 5 V
IEBO
-
-
100
nA
Collector-base
voltage,
emitter open
IC = 100 µA
BC546
VCBO
80
-
-
V
BC547,BC550
50
-
-
BC548,BC549
30
-
-
Collector-
emitter voltage,
base open
IC= 10 mA
BC546
VCEO
65
-
-
V
BC547,BC550
45
-
-
BC548,BC549
30
-
-
Emitter-base
voltage,
collector open
IE = 100 µA
BC546
VEBO
6
-
-
V
BC547,BC550
6
-
-
BC548,BC549
6
-
-
DC current
gain
VCE= 5 V,
IC = 2 mA
Current gain group :A
B
C
hFE
110
-
220
200
-
450
420
-
800
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
3 Version:C1703
ORDERING INFORMATION
PART NO.
PACKING
CODE
PACKING CODE
SUFFIX(*)
PACKAGE
PACKING
BC5xxA/B/C
(Note 1)
A1
G
TO-92
4K / Ammo
B1
5K / Bulk
Notes:
1. "xx" is device code from "46" to "50"
*: optional available
EXAMPLE
EXAMPLE P/N
PART NO.
PACKING CODE
PACKING CODE
SUFFIX
DESCRIPTION
BC546A A1G
BC546A
A1
G
Green compound
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
4 Version:C1703
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig. 1 Static Characteristic
Fig. 2 Transfer Characteristic
Fig. 3 DC Current Gain
Fig. 4 Base Emitter Saturation Voltage
Collector Emitter Saturation Voltage
0
20
40
60
80
100
0 4 8 12 16 20
IB = 400μA
IB = 350μA
IB = 300μA
IB = 250μA
IB = 200μA
IB = 150μA
IB = 100μA
IB = 50μA
0
1
10
100
0.0 0.2 0.4 0.6 0.8 1.0 1.2
VCE=5V
10
100
1000
110 100 1000
VCE=5V
10
100
1000
10000
110 100 1000
IC=10IB
VBE(sat)
VCE(sat)
Ic(mA), Collector Current
VCE(V), Collector Emitter Voltage
Ic(mA), Collector Current
VBE(V), Base Emitter Voltage
IC[mA], Collector Current
hFE, DC Current Gain
Ic(mA), Collector Current
VBE(sat), VCE(sat), Saturation Voltage
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
5 Version:C1703
PACKAGE OUTLINE DIMENSION
TO-92 Bulk
DIM.
Unit(mm)
Unit(inch)
Min
Max
Min
Max
A
4.40
5.10
0.173
0.201
B
4.30
4.70
0.169
0.185
C
12.50
14.50
0.492
-
D
1.17
1.37
0.046
0.054
E
0.35
0.55
0.014
0.022
F
1.17
1.37
0.046
0.054
G
0.59
1.40
0.023
0.055
H
0.29
0.51
0.011
0.020
I
3.30
4.10
0.130
0.161
TO-92 Ammo
DIM.
Unit(mm)
Unit(inch)
Min
Max
Min
Max
A
4.30
4.70
0.169
0.185
B
4.30
4.70
0.169
0.185
C
12.50
-
0.492
-
D
2.20
2.80
0.087
0.110
E
0.35
0.55
0.014
0.022
G
1.00
1.20
0.039
0.047
H
0.29
0.51
0.011
0.020
I
3.30
3.70
0.130
0.146
BC546A/B/C - BC550A/B/C
Taiwan Semiconductor
6 Version:C1703
Notice
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assumes no responsibility or liability for any errors or inaccuracies.
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