WEITRON MMBTA44 Schematic [ru]
High-Voltage NPN Transistor
Surface Mount
Maximum Ratings
Rating
C ollector-E mitter Voltage
C ollector-B a se V oltage
E mitter-B as e V Oltage
C ollector C urrent-C ontinuous
Thermal Characteristics
Characteristics
Total Device Dissipation FR-5 Board
TA=25 C
Derate above 25 C
Thermal Resistance, Junction to Ambient
Total Device Dissipation
Alumina Substrate,
Derate above 25 C
Thermal Resistance, Junction to Ambient
Junction and Storage, Temperature
(2)
TA=25 C
(1)
COLLECTOR
3
1
BASE
2
EMITTER
Symbol
V
CEO
V
CBO
V
EBO
I
C
Symbol Max
P
D
R
JA
P
D
R
JA
T
J,Tstg
Value
225
1.8
556
350
2.8
357
-55 to +150
MMBTA44
SOT-23
1
2
400
450
6.0
300
mW/ C
mW/ C
3
Unit
Vdc
Vdc
Vdc
mAdc
Unit
mW
C/W
mW
C/W
C
Device Marking
MMBTA44=3D
Electrical Characteristics
Characteristics Symbol
(T A=25 C Unles s O therwise noted)
Off Characteristics
Collector-Emitter Breakdown Voltage
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%.
(3)
(IC=1.0mAdc.IB=0)
V
(BR)CEO
V
(BR)CBO
V
(BR)EBO
I
CBO
I
EBO
Min Max
400
450
6.0
-
-
-
-
-
100
100
Unit
Vdc
Vdc
Vdc
nAdc
nAdc
WEITRON
http://www.weitron.com.tw
MMBTA44
WE IT R ON
Electrical Characteristics (T
Characteristics
A
On Characteristics
DC Current Gain
(IC= 1.0 mAdc, VCE=10Vdc)
(IC= 10 mAdc, VCE= 10Vdc)
(IC= 50 mAdc, VCE= 10Vdc)
(IC= 100 mAdc, VCE= 10Vdc)
Collector-Emitter Saturation Voltage
(IC= 1.0 mAdc, IB= 0.1 mAdc)
(IC= 10 mAdc, IB= 1.0 mAdc)
(IC= 50 mAdc, IB= 5.0 mAdc)
Base-Emitter Saturation Voltage
(IC= 10 mAdc, IB= 1.0 mAdc)
Current-Gain-Bandwidth Product
(IC= 10 mAdc, VCE= 10 Vdc, f=10MHz)
(3)
(3)
=25 C unless otherwise noted) (Countinued)
Symbol
H
FE(1)
H
FE(2)
H
FE(3)
H
FE(4)
V
CE(sat)
V
BE(sat)
f
T
Min
20
40
50
45
20
-
-
Max
-
2.00
-
.
0.40
0.50
0.75
0.75
-
Unit
-
Vdc
Vdc
MHz
WEITRON
http://www.weitron.com.tw
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