MMBTA44
NPN HIGH VOLTAGE TRANSISTOR
VOLTAGE
FEATURES
• Silicon, planar design
• Collector-emitter voltage V
CE
= 400V
• Collector current I
C
= 300mA
• Lead free in compliance with EU RoHS 2011/65/EU directive
• Green molding compound as per IEC61249 Std. .
(Halogen Free)
0.120(3.04)
0.110(2.80)
400 Volt
POWER
225 mWatt
0.006(0.15)MIN.
0.008(0.20)
0.003(0.08)
0.044(1.10)
0.035(0.90)
0.020(0.50)
0.013(0.35)
0.056(1.40)
0.047(1.20)
0.079(2.00)
0.070(1.80)
MECHANICAL DATA
• Case: SOT-23, Plastic
• Terminals: Solderable per MIL-STD-750, Method 2026
• Approx. Weight: 0.0003 ounces, 0.008 grams
• Marking: A44
0.004(0.10)
0.000(0.00)
ABSOLUTE MAXIMUM RATINGS
P a r a me t e r
C o l l e c t o r - E m i t t e r Vo lt a g e
Collect or - Ba se Volt age
E mit t e r - B a s e Vo l t a g e
C o l l e c t o r C u r r e nt C o nt i nuo us
Sy mb o l
V
CE O
V
CB O
V
E BO
I
C
Va lue
400
500
6. 0
300
Uni t s
V
V
V
mA
THERMAL CHARACTERISTICS
P a r a me te r
M a x P o we r D i s s i p a ti o n ( No te 1 )
The r ma l R e s i s ta nc e , J unc ti o n t o A m b i e nt
J unc ti o n Te m p e ra ture
S to ra g e Te mp e r a ture
S ym b o l
P
TOT
R
θJ
A
T
J
T
S TG
Va lue
225
556
-55 to 150
-55 to 150
Uni ts
mW
O
C /W
O
C
C
O
Top View
3
Collector
1
BASE
3
COLLECTOR
Note 1: Transistor mounted on FR-5 board 1 x 0.75 x 0.062 in.
1
Base
2
Emitter
2
EMITTER
September 2,2014-REV.07
PAGE . 1
MMBTA44
ELECTRICAL CHARACTERISTICS
P a r a me t e r
C o l le c t o r - E mi t t e r B r e a k d o w n Vo l t a g e
C o l le c t o r - B a s e B r e a k d o w n Vo lt a g e
E mit t e r - B a s e B r e a k d o w n Vo l t a g e
C o l le c t o r C ut - o f f C ur r e nt
E mit t e r C ut - o f f C ur r e nt
S y mb o l
V
( BR)
C E O
V
( BR)
C B O
V
( BR)
E B O
I
I
CBO
Te s t C o nd i t i o n
I
I
I
C
M I N.
400
500
6
-
-
40
50
45
40
-
-
50
T Y P.
-
-
-
-
-
-
-
-
-
-
-
-
MAX.
-
-
-
0.1
0.1
-
200
-
-
0. 4
0. 5
0.75
0.75
-
Uni t s
V
V
V
μ
A
μ
A
= 1 mA , I
B
= 0
= 1 0 0
μA
, I
= 1 0
μA
, I
E
C
=0
E
C
=0
V
CB
= 4 0 0 V, I
E
= 0 A
V
EB
= 6 V, I
C
EB O
=0
= 1 mA
= 1 0 mA
C
= 5 0 mA
C
= 1 0 0 mA
C
C
D C C ur r e nt G a i n
h
FE
V
CE
= 1 0 V, I
V
CE
= 1 0 V, I
V
CE
= 1 0 V, I
V
CE
= 1 0 V, I
I
I
I
I
C
-
C o l le c t o r - E m i t t e r S a t ur a t io n Vo l t a g e
B a s e - E m it t e r S a t r ua t i o n V o l t a g e
C o l le c t o r G a i n - B a nd w id t h P r o d uc t
V
CE ( S AT )
V
B E( SAT )
F
T
= 1 mA , I
B
= 0 . 1 mA
= 1 0 mA , I
B
= 1 mA
C
= 5 0 mA , I
B
= 5 mA
C
C
V
V
M H
Z
= 1 0 mA , I
B
= 1 mA
I
C
= 1 0 mA , V
CE
= 2 0 V
,
f = 1 0 0 M H
Z
September 2,2014-REV.07
PAGE . 2
MMBTA44
September 2,2014-REV.07
PAGE . 3
MMBTA44
September 2,2014-REV.07
PAGE . 4
MMBTA44
MOUNTING PAD LAYOUT
0.035 MIN.
(0.90) MIN.
0.031 MIN.
(0.80) MIN.
0.043
(1.10)
0.037
(0.95)
0.043
(1.10)
0.106
(2.70)
ORDER INFORMATION
• Packing information
T/R - 12K per 13" plastic Reel
T/R - 3K per 7" plastic Reel
September 2,2014-REV.07
0.078
(2.00)
PAGE . 5
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