1
Jiangsu Weida Semiconductor Co., Ltd.
NPN Transistors
BCX54,BCX55,BCX56
(KCX54 ,KCX55,KCX56)
Features
◆High current (max. 1A).
◆Low voltage (max.80V).
◆Package:SOT-89-3L.
SOT-89-3L
1:B 2:C 3:E
Absolute Maximum Ratings Ta = 25℃
Parameter
Symbol
Rating
Unit
45
V
60
V
BCX56
100
V
BCX54
45
V
60
V
80
V
VEBO
5
V
Collector current
IC
1
A
Peak collector current
ICM
1.5
A
Peak base current
IBM
0.2
A
Total power dissipation
Ptot
1.3
W
Storage temperature
Tstg
-65 to +150
℃
Junction temperature
Tj
150
℃
Operating ambient temperature
Tamb
-65 to +150
℃
Thermal resistance from junction to ambient
Rth(j-a)
94
K/W
Thermal resistance from junction to solder point
Rth(j-s)
14
K/W
BCX54
Collector-base voltage
Collector-emitter voltage
VCBO
BCX55
VCEO
BCX55
BCX56
Emitter-base voltage
Electrical Characteristics Ta = 25℃
Parameter
Collector cutoff current
PRODUCT DATA SHEET
Symbol
ICBO
Testconditions
Max
Unit
VCB = 30 V, IE = 0
100
nA
VCB = 30 V, IE = 0; Tj = 125
10
uA
1
Min
Typ
Rev.69.0 2020
2
Jiangsu Weida Semiconductor Co., Ltd.
NPN Transistors
Emitter cutoff current
IEBO
VEB = 5 V, IC = 0
DC current gain
hFE
IC = 5 mA; VCE = 2 V
63
IC = 150 mA; VCE = 2 V
63
IC = 500 mA; VCE = 2 V
40
IC = 150 mA; VCE = 2 V
63
160
IC = 150 mA; VCE = 2 V
100
250
DC current gain BCX54-10,BCX55-10,BCX56-10
hFE
BCX54-16,BCX55-16,BCX56-16
Collector-emitter saturation voltage
100
250
VCE(sat) IC = 500 mA; IB = 50 mA
Base to emitter voltage
VBE
Transition frequency
fT
DC current gain ratio of the
hFE
complementary pairs
hFE
IC = 500 mA; VCE = 2 V
IC = 10 mA; VCE = 5 V; f = 100 MHz
IC
= 150 mA;
VCE
= 2V
nA
0.5
V
1
V
130
1.3
MHz
1.6
hFE Classification
TYPE
BCX54
BCX54-10
BCX54-16
Marking
BA
BC
BD
TYPE
BCX55
BCX55-10
BCX55-16
Marking
BE
BG
BM
TYPE
BCX56
BCX56-10
BCX56-16
Marking
BH
BK
BL
Package mechanical data
Ref.
A
b
b1
c
D
D1
E
E1
e
e1
L
SOT-89-3L
PRODUCT DATA SHEET
2
Dimensions
Millimeters
Min.
Typ. Max.
Min.
1.4
1.6 0.055
0.35
0.52 0.013
0.4
0.58 0.016
0.35
0.44 0.014
4.4
4.6 0.173
1.55
2.35
2.55 0.091
3.94
4.25 0.155
1.500
3.000
0.9
1.1 0.035
Inches
Typ.
Max.
0.063
0.197
0.023
0.017
0.181
0.061
0.102
0.167
0.060
0.118
0.047
Rev.69.0 2020
3
Jiangsu Weida Semiconductor Co., Ltd.
NPN Transistors
■ Typical Characterisitics
Information furnished in this document is believed to be accurate and reliable. However, Jiangsu Weida
Semiconductor Co., Ltd assumes no responsibility for the consequences of use without consideration for
such information nor use beyond it.
Information mentioned in this document is subject to change without notice, apart from that when an
agreement is signed, Jiangsu Weida Semiconductor Co., Ltd complies with the agreement.
Products and information provided in this document have no infringement of patents. Jiangsu Weida
Semiconductor Co., Ltd assumes no responsibility for any infringement of other rights of third parties
which may result from the use of such products and information.
PRODUCT DATA SHEET
3
Rev.69.0 2020
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