- These types are subdivided into three groups A, B
and C according to their current gain
- Moisture sensitivity level 1
- Driver transistor
- Pb free and RoHS compliant
- Green compound (Halogen free) with suffix "G" on
packing code and prefix "G" on date code
- Case: TO-92 small outline plastic package
- Terminal: Matte tin plated, lead free,
solderable per MIL-STD-202, Method 208 guaranteed
- High temperature soldering guaranteed: 260°C/10s
- Weight: 190 mg (approximately)
SYMBOL UNIT
P
TOT
mW
I
C
mA
I
CM
mA
T
J
, T
STG
°C
SYMBOL UNIT
V
CB
= 30V I
CBO
nA
V
EB
= 5 V I
EBO
nA
Document Number: DS_S1405001
Current Gain Group:
A
B
C
BC546
BC547, BC550
BC548, BC549
BC546
BC547, BC550
BC548, BC549
- For switching and AF amplifier applications
Taiwan Semiconductor
VALUE
Small Signal Product
NPN Transistor
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (T
A
=25℃ unless otherwise noted)
TO-92
BC546A/B/C ~ BC550A/B/C
MECHANICAL DATA
BC547, BC550
BC548, BC549
FEATURES
Total Power dissipation 500
V
CBO
Collector-Base Voltage
V
6
6
6
PARAMETER
V
Collector-Emitter Breakdown Voltage I
C
= 10mA V
200
65
45
30
Collector-Emitter Voltage
Emitter-Base Voltage
BC548, BC549 6
V
CEO
Peak Collector Current
Collector Current
BC546
BC546
BC547, BC550
BC548, BC549
BC546
BC547, BC550
V
V
V
80
50
30
65
45
30
Junction and Storage Temperature Range
100
-65 to + 150
6
6
V
EBO
Version: B14
PARAMETER
Collector-Base Breakdown Voltage I
C
= 100μA
80
50
30
Collector Base Cutoff Current
Emitter Base Cutoff Current
DC Current Gain V
CE
= 5V,
I
C
= 2mA
V
(BR)CBO
h
FE
Emitter-Base Breakdown Voltage I
E
= 100μA
V
(BR)CEO
V
(BR)EBO
BC546
BC547, BC550
BC548, BC549
100
V
220
450
800
200
420
MIN
-
-
110
MAX
-
-
-
15
(TA=25℃ unless otherwise noted)
Document Number: DS_S1405001 Version: B14
BC546A/B/C ~ BC550A/B/C
Taiwan Semiconductor
Small Signal Product
RATINGS AND CHARACTERISTICS CURVES
0
20
40
60
80
100
048121620
Ic(mA), Collector Current
VCE(V), Collector Emitter Voltage
FIG.1 Static Characteristic
IE=400uA
IE=350uA
IE=300uA
IE=250uA
IE=200uA
IE=150uA
IE=100uA
IE=50uA
0
1
10
100
0.0 0.2 0.4 0.6 0.8 1.0 1.2
Ic(mA), Collector Current
VBE(V), Base Emitter Voltage
FIG. 2 Transfer Characteristic
VCE=5V
10
100
1000
1 10 100 1000
hFE, DC Current Gain
Ic(mA), Collector Current
VCE=5V
FIG. 3 DC Current Gain
10
100
1000
10000
1 10 100 1000
VBE(sat), VCE(sat), Saturation Voltage
Ic(mA), Collector Current
IC=10IB
VBE(sat)
VCE(sat)
FIG. 4 Base Emitter Saturation Voltage
Collector Emitter Saturation Voltage
PART NO. MARKING
BC5xxA/B/C
(Note2)
BC5xxA/B/C
(Note2)
BC5xxA/B/C
(Note2)
BC5xxA/B/C
(Note2)
PART NO.
BC546A
Document Number: DS_S1405001
ORDERING INFORMATION
PACKING CODE PACKING
4K / Ammo
B1 G TO-92 5K / Bulk
MANUFACTURE
CODE (Note1)
BC546A/B/C ~ BC550A/B/C
MANUFACTURE
CODE DESCRIPTION
PACKAGE
A1 G
Taiwan Semiconductor
Small Signal Product
TO-92
PACKING CODE GREEN COMPOUND
CODE
GREEN COMPOUND
CODE
Note1: Manufacture special control, if empty means no special control requirement.
EXAMPLE
PREFERRED P/N
Note2: "xx" is Device Code from "46" thru "50", and "MARKING" should follow the "PART NO."
Version: B14
BC546A A1G A1 G Green compound
DIMENSIONS
TO-92 B ul
k
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 3.300 4.100 0.130 0.161
TO-92 Ammo
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
SUGG EST PAD LAYOUT
Document Number: DS_S1405001
Unit (inch)Unit (mm)
DIM.
Small Signal Product
Version: B14
BC546A/B/C ~ BC550A/B/C
DIM.
Taiwan Semiconducto
r
Unit (mm) Unit (inch)
A
B
C
D
E
G
H
I
Document Number: DS_S1405001
Notice
BC546A/B/C ~ BC550A/B/C
Taiwan Semiconducto
r
Small Signal Product
Version: B14
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no
responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual
property rights is granted by this document. Except as provided in TSC's terms and conditions of sale for such products, TSC
assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including
liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other
intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling
these products for use in such applications do so at their own risk and agree to fully indemnify TSC for any damages resulting from
such improper use or sale.
