SMF5V0A-SMF51A
Surface Mount ESD Protection Diodes
Ratings AND Charactieristic Curves
FIG.2 -- PULSE DERATING CURVE
FIG.1 -- PEAK PULSE POWER RATING CURVE
PEAK PULSE POWER (P
PP
) OR CURRENT
P
PPM
, PEAK PULSE POWER, KW
DERATING IN PERCENTAGE, %
100
100
NON-REPETITIVE
PULSE WAVEFORM
SHOWN
in
FIG.3
T
A
=25
75
10
50
H HHHHHHHH H
1.0
25
0.1μs
1µs
10µ s
100µ s
1ms
10ms
(I
PPM
)
0.1
0
0
25
50
75
100
125
150
175
200
td, PULSE WIDTH, SEC
TA, AMBIENT TEMPERATURE.
FIG.3
-- PULSE WAVEFORM
I
PPM
, PEAK PULSE CURRENT, %I
RSM
150
tr = 10
µs
Peak Value
I
PPM
100
T
J
= 25 °C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of I
PPM
Half Value - IPP
I
PPM
2
10/1000µsec. Waveform
as defined by R.E.A.
50
0
0
td
1.0
2.0
3.0
4.0
HHHHHH H
t, TIME, ms
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