Features
MMBTA44
NPN Silicon High
Voltage Transistor
350mW
Revision: D 2013/01/01
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20736 Marilla Street Chatsworth
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MCC TM
Micro Commercial Components
Marking: 3D/A44
Mechanical Data
Maximum Ratings
Symbol Rating Rating Unit
VCEO Collector-Emitter Voltage 400 V
VCBO Collector-Base Voltage 500 V
VEBO Emitter-Base Voltage 6-- V
IC Collector Current100mA
PCCollector power dissipation 350 mW
TJ Junction Temperature------------------------------
TSTG Storage Temperature -55 to +150 к
Electrical Characteristics @ 25к Unless Otherwise Specified
Symbol Parameter Min Typ Max Units
ICBO Collector Cutoff Current
(VCB=
--- --- ----nAdc 100
400Vdc,IE=0)
IEBO Emitter Cutoff Current
(VEB=4.0Vdc,IC=0)
--- --- 100 nAdc
BVCBO Collector-base breakdown voltage
(IC=100µAdc,IE=0)
500 --- --- Vdc
BVCEO Collector-emitter
(IC=1mAdc,IB=0)
400 --- --- Vdc
BVEBO Emitter-base breakdown voltage
(IE=10µAdc,IC=0)
6 --- --- Vdc
hFE DC Current Gain
(IC=1mAdc, VCE=10Vdc)
fT Gain Bandwidth product
(VCE=20Vdc, Ic=10mAdc,f=30MHz)
--- 50 --- MHz
VCE(sat) Collector Saturation Voltage
(IC=1mAdc, IB=0.1mAdc)
(IC=10mAdc, VCE=10Vdc)
(IC=50mAdc, VCE=10Vdc)
(IC=100mAdc, VCE=10Vdc)
40 --- ----- ---
50 --- 200 ---
45 --- ----- ---
40 --- ----- ---
(IC=50mAdc, IB=5mA)
--- --- 0.4 -V
--- --- 0.75 V
VBE(sat) Collector Saturation Voltage
(IC=10mAdc, IB=1mAdc) --- --- 0.75 V
-55 to +150 к
breakdown voltage
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SOT-23
Suggested Solder
Pad Layout
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .110 .120 2.80 3.04
B .083 .104 2.10 2.64
C .047 .055 1.20 1.40
D .035 .041 .89 1.03
E .070 .081 1.78 2.05
F .018 .024 .45 .60
G .0005 .0039 .013 .100
H .035 .044 .89 1.12
J .003 .007 .085 .180
K .015 .020 .37 .51
.
0
7
9
2.000
in
c
h
es
mm
.
03
1
.800
.035
.900
.037
.950 .037
.950
K
A
B
C
D
EF
GH
J
E
B
C
Power dissipation: 0.35W
150 C Junction Temperature
Surface Mount SOT-23 Package
Lead Free Finish/RoHS Compliant ("P" Suffix designates
RoHS Compliant. See ordering information)
Epoxy meets UL 94 V-0 flammability rating
Moisure Sensitivity Level 1
o
Halogen free available upon request by adding suffix "-HF"
•
0.1 1 10
1
10
100
0.1 1 10 100
10
100
1000
0 25 50 75 100 125 150
0
50
100
150
200
250
300
350
400
0.1 1 10 100
0.0
0.2
0.4
0.6
0.8
1.0
1 10 100
10
100
0 5 10 15 20
0
2
4
6
8
10
12
14
16
30
300
f=1MHz
IE=0 / IC=0
Ta=25℃
Typical Characteristics
REVERSE VOLTAGE V (V)
CAPACITANCE C (pF)
VCB / VEB
Cob / Cib ——
Cib
Cob
20
500
VCE= 10V
Ta=100℃
Ta=25℃
COLLECTOR CURRENT IC (mA)
DC CURRENT GAIN hFE
IC
hFE ——
COLLECTOR POWER DISSIPATION
Pc (mW)
AMBIENT TEMPERATURE Ta ( )℃
Pc —— Ta
COLLECTOR CURRENT IC (mA)
BASE-EMITTER SATURATION
VOLTAGE VBEsat (V)
Ta=25℃
Ta=100℃
β=10
IC
VBE sat ——
Ta=25℃
Ta=100℃
β=10
VCEsat —— IC
COLLECTOR-EMITTER SATURATION
VOLTAGE VCEsat (mV)
COLLECTOR CURRENT IC (mA)
COMMON
EMITTER
Ta=25℃
80uA
72uA
64uA
56uA
48uA
40uA
32uA
24uA
16uA
IB=8uA
COLLECTOR-EMITTER VOLTAGE VCE (V)
COLLECTOR CURRENT IC (mA)
Static Characteristic
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Micro Commercial Components
Revision: D 2013/01/01
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Micro Commercial Components
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Ordering Information :
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make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components
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represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
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strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
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our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
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distributors.
Device Packing
Part Number-TP
Tape&Reel;3Kpcs/Reel