General Purpose Transistor
MMBTA42-G (NPN)
RoHS Device
Features
-High breakdown voltage.
SOT-23
0.119(3.00)
0.110(2.80)
-Low collector-emitter saturation voltage.
-Ultra small surface mount package.
3
0.056(1.40)
0.047(1.20)
Diagram:
1
2
0.079(2.00)
0.071(1.80)
Collector
3
0.006(0.15)
0.003(0.08)
1
0.041(1.05)
0.035(0.90)
0.100(2.550)
0.089(2.250)
Base
2
0.004(0.10) max
0.020(0.50)
0.012(0.30)
Emitter
0.020(0.50)
0.012(0.30)
Dimensions in inches and (millimeter)
Maximum Ratings (at TA=25°C unless otherwise noted)
Symbol
Parameter
Value
Unit
Collector-Base voltage
VCBO
VCEO
VEBO
300
300
V
V
Collector-Emitter voltage
Emitter-Base voltage
5
V
Collector current-Continuous
Collector current-peak
IC
ICM
300
mA
mA
mW
°C/W
°C
500
350
Collector power dissipation
Thermal resistance, junction to ambient
Junction temperature
PC
RΘJA
TJ
357
150
Storage temperature
TSTG
-55 to +150
°C
Electrical Characteristics (Ta=25°C, unless otherwise specified)
Conditions
Symbol
Min
Max
Parameter
Unit
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cut-off current
IC=100μA, IE=0
V(BR)CBO
V(BR)CEO
V(BR)EBO
300
300
5
V
V
IC=1mA, IB=0
IE=100μA, IC=0
VCB=200V, IE=0
VEB=5V, IC=0
V
μA
μA
ICBO
IEBO
0.25
0.1
Emitter cut-off current
VCE=10V, IC=1mA
VCE=10V, IC=10mA
VCE=10V, IC=30mA
hFE(1)
hFE(2)
hFE(3)
60
100
60
DC current gain
200
Collector-emitter saturation voltage
Base-emitter saturation voltage
IC=20mA, IB=2mA
IC=20mA, IB=2mA
VCE(sat)
VBE(sat)
0.2
0.9
V
V
VCE=20V, IC=10mA
f=30MHz
Transition frequency
fT
50
MHz
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
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QW-BTR38
Comchip Technology CO., LTD.