RATING AND CHARACTERISTIC CURVES ( SA5.0 - SA170A )
FIG.1 - PULSE DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE
SURGE CURRENT
120
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
120
PEAK FORWARD SURGE
CURRENT, AMPERES
100
80
100
80
60
60
40
40
20
0
0
25
50
75
100
125
150
175
20
8.3 ms SINGLE HALF SINE WAVE
JEDEC METHOD
0
1
2
4
6
10
20
40
60
100
Ta, AMBIENT TEMPERATURE, (
°
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - STEADY STATE POWER DERATING
P
D
, STEADY STATE POWER DISSIPATION
(WATTS)
100
FIG.4 - PULSE RATING CURVE
4.0
3.0
Pp,PEAK POWER (kW)
Single Phase Half Wave
60 Hz Resistive or Inductive load
10
2.0
1.0
1.0
0.1
0.1µs
125
150
175
200
1.0µs
10µs
100µs
1.0ms
10ms
0
0
25
50
75
100
tp, PULSE W IDTH
T
L
, LEAD TEMPERATURE (
°
C)
FIG.5 - PULSE WAVEFORM
PEAK PULSE CURRENT - % I
RMS
Tr = 10µs
100
Peak Value
I
RMS
T
J
=25
°
C
Pulse Width (tp) is defined
as that point where the peak
current decays to 50%
of I
RSM
50
Half Value - I
RMS
2
10X1000 Waveform
as defined by R.E.A.
tp
0
0
1.0
2.0
3.0
4.0
T, TIME(ms)
Page 4 of 4
Rev. 03 : March 25, 2005
SYNSEMI [ SYNSEMI, INC. ]
