SMAJ SERIES
Elektronische Bauelemente
VOLTAGE 5.0V ~ 170V
400W Peak Power Surface Mount TVS
RATING AND CHARACTERISTIC CURVES (SMAJ SERIES)
FIG.1-PEAK PULSE POWER DERATING CURVE
Non-Repetitive
Pulse Waveform
Shown in Fig. 3
T
A
=25 C
10
PEAK PULSE POWER(P
PP
) OR CURRENT(I
PP
)
DERATING IN PERCENTAGE
100
100
FIG.2-PULSE DERATING CURVE
P
PPM
, PEAK PULSE POWER, KW
75
50
1.0
5.0mm COPPER PAD AREAS
2
25
0.1
0.1ms
0
1.0ms
10ms
100ms
1.0ms
10ms
0
25
50
75
100
125
150
175
td, PULSE WIDTH, sec.
T
A
, AMBIENT TEMPERATURE ( C)
FIG.3-PULSE WAVE FORM
150
I
PPM
, PEAK PULSE CURRENT, %
tf=10us
Peak Value
I
PPM
T
A
=25 C
Pulse Width (td) is defined
as the point where the Peak
Current Deacys to 50% of Ipp
10,000
FIG.4-TYPICAL JUNCTION CAPACITANCE
T
J
=25 C
f=1.0MHz
Vsig=50mVp-p
5,000
100
2,000
Half Value-I
PPM
2
1,000
50
10/1000msec Waveform
as Defined by R.E.A.
C
J
, CAPACITANCE, pF
500
Measued at
Zero Bias
td
e-kt
0
0
1.0
2.0
3.0
4.0
200
t, TIME, ms
100
FIG.5-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
100
80
T
J
=T
J
max
8.3ms Single Half Sine-wave
JEDEC Method
50
Measured at
Stand-Off
Voltage(V
MW
)
20
I
FSM
, PEAK FORWARD SURGE
CURRENT, AMPERES
60
10
1.0
2.0
5.0
10
20
50
100
200
V(BR), BREAKDOWN VOLTAGE, VOL
TS
40
20
10
1
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
http://www.SeCoSGmbH.com
Any changing of specification will not be informed individual
01-Jun-2006 Rev.
B
Page
2
of
4
SECOS [ SECOS HALBLEITERTECHNOLOGIE GMBH ]
