RATING AND CHARACTERTIC CURVES
SMAJ SERIES
FIG.1-PULSE DERATING CURVE
60
100
75
50
10*1000 WAVEFORM
AS DEFINED BY R.E.A
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
50
40
30
20
10
0
SINGLE SINE-WAVE
JEDEC METHOD
25
0
0
25
50
75
100
125
150
175
200
T
A
AMBIENT TEMPERATURE,℃
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
FIG.3-PULSE WAVEFORM
FIG.4-TYPICAL JUNCTION CAPACITANCE
IP
，
PEAK PULSE CURRENT
， （
%
）
T
R
=10us
Half value =
I
RSM
2
Pulse with (Tp) is defined
as that point where the
peak current decays to
50% of I
RSM
CAPACITANCE
，（
P
F
）
100
Peak value(I
RSM
)
10000
1000
Uni-directional
T
J
=25℃
50
T
J
=
25°C
10*1000waveform as
defined by R.E.A
100
Bi-directional
TP
10
1
4
10
100
1000
0
0
1.0
2.0
T, TIME (ms)
3.0
4.0
STAND-OFF VOLTAGE,VOLTS
100
P
M
(
AV
), STEADY STATE POWER DISSIPATION (W)
FIG.5-PULSE RATING CURVE
FIG.6-STEADY STATE POWER
DERATING CURVE
1.0
0.8
0.6
0.4
0.2
0.0
0
25
50
75
100
125
150
175
200
60Hz RESISTIVE OR
INDUCTIVE LOAD
P
P
, PEAK POWER (
K
w)
10
1.0
T
A
=25℃
NON-REPETIVE PULSE WAVE
FORM SHOWN IN FIG.3
0.1
0.1us
1.0us
10us
100us
1.0ms
10ms
TP, PULSE WIDTH
TL, LEAD TEMPERATURE
~ 281 ~
HY [ HY ELECTRONIC CORP. ]
