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JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
WBFBP-03A Plastic-Encapsulate Transistors
MMBTA42E TRANSISTOR
DESCRIPTION
NPN Epitaxial Silicon Transistor
FEATURES
Power dissipation PCM : 0.15 W (Tamb=25℃)
APPLICATION
High Voltage Amplifier
For portable equipment:(i.e. Mobile phone,MP3, MD,CD-ROM,
DVD-ROM, Note book PC, etc.)
MARKING:1D
C
1D
B E
MAXIMUM RATINGS TA=25℃ unless otherwise noted
Symbol Parameter Value Units
VCBO Collector-Base Voltage 310 V
VCEO Collector-Emitter Voltage 305 V
VEBO Emitter-Base Voltage 5 V
IC Collector Current -Continuous 300 mA
TJ Junction Temperature 150 ℃
Tstg Storage Temperature -55-150 ℃
RӨJA Thermal Resistance, junction to Ambient 200 ℃/W
RӨJC Thermal Resistance, unction to Case 83.3 ℃/W
ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified)
Parameter Symbol Test conditions MIN MAX UNIT
Collector-base breakdown voltage V(BR)CBO IC= 100µA, IE=0 310 V
Collector-emitter breakdown voltage V(BR)CEO IC= 1mA, IB=0 305 V
Emitter-base breakdown voltage V(BR)EBO IE= 100µA, IC=0 5 V
Collector cut-off current ICBO V
CB=200V, IE=0 0.25
µA
VCE=200V, IB=0 0.25
µA
Collector cut-off current I CEO VCE=300V, IB=0 5
µA
Emitter cut-off current IEBO V
EB= 5V, IC=0 0.1
µA
hFE(1) V
CE=10V, IC=1mA 60
hFE(2) V
CE=10V, IC=10mA 100 200
DC current gain
hFE(3) V
CE=10V, IC=30mA 75
Collector-emitter saturation voltage VCE(sat) IC=20mA, IB= 2mA 0.2 V
Base-emitter saturation voltage VBE(sat) IC= 20mA, IB=2mA 0.9 V
Transition frequency fT VCE=20V, IC= 10mA
f=30MHz 50 MHz
WBFBP-03A
(1.6×1.6×0.5)
unit: mm
1. BASE
2. EMITTER
3. COLLECTOR
MMBTA42E
Min. Max. Min. Max.
A 0.450 0.550 0.018 0.022
A1 0.010 0.090 0.000 0.004
b 0.230 0.330 0.009 0.013
b1
D 1.550 1.650 0.061 0.065
E 1.550 1.650 0.061 0.065
D2
E2
e
L
L1
L2
L3
L4
k
z 0.320 RE F. 0.013 RE F.
0.160 RE F. 0.006 RE F.
Symbol D imensions In M illimeters D imensions In Inches
1.000 TYP . 0.040 TYP .
0.750 RE F.
1.000 REF. 0.030 RE F.
0.040 RE F.
0.320 REF. 0.013 RE F.
0.230 RE F.
0.180 RE F.
0.280 RE F. 0.011 RE F.
0.250 RE F.
0.200 RE F.
0.009 RE F.
0.007 RE F.
0.010 RE F.
0.008 RE F.
