LITE-ON
SEMICONDUCTOR
SMAJ-T SERIES
STAND-OFF VOLTAGE -
4.0
to
200
Volts
POW ER DISSIPATION -
400
WATTS
SURFACE MOUNT
UNIDIRECTIONAL AND BIDIRECTIONAL
TRANSIENT VOLTAGE SUPPRESSORS
FEATURES
For surface mounted applications
Reliable low cost construction utilizing molded plastic
technique
Typical IR less than 1uA above 10V
Fast response time: typically less than 1.0ns for
Uni-direction,less than 5.0ns for Bi-direction,form 0 Volts
to BV min
RoHS compliant
Qualified to AEC-Q101 Rev_C
SMA
SMA
A
B
C
DIM.
A
B
C
D
E
G
H
E
F
D
F
G
H
MIN.
4.06
2.29
1.27
0.15
4.83
0.05
1.96
0.76
MAX.
4.57
2.92
1.63
0.31
5.59
0.20
2.40
1.52
MECHANICAL DATA
Case : Molded plastic
Case Material: Molding compound, UL Flammability
classification 94V-0, (No Br. Sb. Cl.) "Halogen-free".
Polarity : by cathode band denotes uni-directional device
none cathode band denotes bi-directional device
Weight : 0.002 ounces, 0.064 gram
All Dimensions in millimeter
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
CHARACTERISTICS
Peak Power Dissipation at T
A
= 25
℃
, T
P
= 1ms
(Note 1)
Peak Forward Surge Current 8.3ms single half
sine-wave @ TJ = 25
℃
(Note 2)
Steady State Power Dissipation at T
L
=120
℃
SYMBOLS
VALUE
UNIT
P
PK
400
W
I
FSM
40
A
P
M(AV)
1.0
W
Maximum Instantaneous forward voltage at 16A
(Note 2, 3)
V
F
3.0
V
Operating Temperature Range
T
J
-55 to +175
C
Storage Temperature Range
T
STG
-55 to +175
C
REV 1, Dec-2016, KSIA11
.
NOTES : 1. Non-repetitive current pulse, per fig. 3 and derated above T
A
= 25
℃
per fig.1.
2. For unidirectional units only.
3. VF max=3.0V at IF=16 A 300us square wave pulse.
RATING AND CHARACTERISTIC CURVES
SMAJ-T SERIES
FIG.1 - PULSE DERATING CURVE
K
A
E
P
F
OT
%N
NR
I E
R
GU
N
I C
T
AR
RO
ER
DE
EW
S
LO
UP
P
K
A
E
P
100
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
60
50
75
50
25
10 X 1000 W AVEFOR M AS
DEFINED BY R.E.A.
0
0
25
50
75
100
125
150
175
200
E
G
40
S
R
E
U
R
S
D E
30
P
R
M
A
A
W,
20
RT
ON
FE
K R
10
AR
EU
PC
0
1
Pulse Width 8.3ms
Single Half-Sine--W
Wave
2
5
10
20
50
100
AMBIENT TEMPERATURE,
℃
NUMBER OF CYCLES AT 60Hz
FIG.3 - PULSE
T
R
=1 0us
WAVEFORM
10000
FIG.4 - TYPICAL JUNCTION CAPACITANCE
)
%
(
,
T
N
E
R
R
U
C
E
S
L
U
P
K
A
E
P
,
I
P
100
Peak v alue (I
RSM)
I
RSM
Half v alue=
2
Pulse width ( T
P
) is defined
as that point where the
peak current deca ys to
50% of I
RSM
50
T
J
= 25 C
TP
10 x 1000 w av effo
wa ve orm as
defined by R.E.A.
)
F
p
(
1000
,
E
C
N
A
T
I
C
A
P
100
A
C
Uni-direction al
Bi-directional
T
J
= 25 C
0
0
1.0
2.0
3.0
4.0
Measu red at
u
F= 1M Hz,
1.0Vrms siignal
s
Bias=0Vdc
10
1
10
100
1000
T , TIME
( ms )
STAND-OFF VOLTAGE, VOLTS
FIG.5 - PULSE
100
)
K
(
10
R
E
W
O
P
K
A
E
P
1.0
P
W
RATING
CURVE
T
A
=25 C
0.8
NON-REPETITIVE
NON-R
E
PULSE WAV EFORM
E
SHOW N IN FIG 3.
)
(W
1.0
N
O
I
T
A
P
I
S
S
I
D
R
0.6
E
W
O
P
E
0.4
T
A
T
S
Y
D
0.2
A
E
T
S
FIG.6 - STEADY STATE POWER DERATING CURVE
,
P
5.0mm LEAD AREAS
0
60Hz RESISTIV E O R
I
INDUCTIVE LOAD
0.1
0.1us
1.0us
10us
100us
1.0ms
10ms
M
),
V
A
(
0.0
0
25
50
75
100
125
150
175
200
Legal Disclaimer Notice
SMAJ-T SERIES
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and
specifications at any time without notice.Customers should obtain and confirm the
latest product information and specifications before final design, purchase or
use.
LSC makes no warranty, representation or guarantee regarding the suitability of
its products for any particular purpose, nor does LSC assume any liability for
application assistance or customer product design. LSC does not warrant or
accept any liability with products which are purchased or used for any
unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property
rights of LSC.
LSC products are not authorized for use as critical components in life support
devices or systems without express written approval of LSC.
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