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MMBTA44 Datasheet, PDF (1/3 Pages) List of Unclassifed Manufacturers – SOT-23-3L Plastic-Encapsulate Transistors
High-Voltage NPN Transistor
Surface Mount
MMBTA44
COLLECTOR
3
1
BASE
2
EMITTER
SOT-23
3
1
2
Maximum Ratings
Rating
C ollector-E mitter V oltage
C ollector-B as e V oltage
E mitter-B as e V Oltage
C ollector C urrent-C ontinuous
Thermal Characteristics
Characteristics
Total Device Dissipation FR-5 Board (1)
TA=25 C
Derate above 25 C
Thermal Resistance, Junction to Ambient
Total Device Dissipation
Alumina Substrate, (2) TA=25 C
Derate above 25 C
Thermal Resistance, Junction to Ambient
Junction and Storage, Temperature
Device Marking
MMBTA44=3D
Symbol
VCEO
VCBO
VEBO
IC
Symbol
PD
R JA
PD
R JA
TJ,Tstg
Electrical Characteristics (TA=25 C Unless Otherwise noted)
Characteristics
Off Characteristics
Collector-Emitter Breakdown Voltage(3) (IC=1.0mAdc.IB=0)
Collector-Base Breakdown Voltage (IC=100 uAdc, IE=0)
Emitter-Base Breakdown Voltage (IE=10 uAdc, IC=0)
Base Cutoff Current (VCB=400 Vdc, IE=0)
Emitter Cutoff Current VEB=4V, IC=0
1.FR-5=1.0 x 0.75 x 0.062 in.
2.Alumina=0.4 x 0.3 x 0.024 in. 99.5% alumina.
3.Pulse Test:Pulse Width 300 µS, Duty Cycle 2.0%.
Value
400
450
6.0
300
Max
225
1.8
556
350
2.8
357
-55 to +150
Symbol
Min
V(BR)CEO
400
V(BR)CBO
450
V(BR)EBO
6.0
ICBO
-
IEBO
-
Unit
Vdc
Vdc
Vdc
mAdc
Unit
mW
mW/ C
C/W
mW
mW/ C
C/W
C
Max Unit
-
Vdc
-
Vdc
-
Vdc
100
nAdc
100
nAdc
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