1.5KE SERIES
1500 WattsTransient Voltage Suppressor Diodes
RATINGS AND CHARACTERISTIC CURVES (1.5KE SERIES)
FIG.1- PEAK PULSE POWER RATING CURVE
100
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG. 3
T
A
=25
0
C
FIG.2- PULSE DERATING CURVE
100
PEAK PULSE POWER (P
PP
) or CURRENT (I
PPM
)
Pppm, PEAK PULSE POWER, KW
DERATING IN PERCENTAGE. %
75
10
L=0.375"(9.5mm)
LEAD LENGTHS
50
With heat sink
1
PULSE
Without heat sink
25
0.8 X 0.8 X .040"
(20 X 20 X 1mm.)
COPPER HEAT SINKS
0
25
50
75
100
125
O
0.1
0.1 s
1.0 s
10 s
100 s
1.0ms
10ms
0
150
175
200
td. PULSE WIDTH, sec.
TA, AMBIENT TEMPERATURE. ( C)
FIG.3- CLAMPING POWER PULSE WAVEFORM
150
200
FIG.4- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
8.3ms Single Half Sine Wave
JEDEC Method
UNIDIRECTIONAL ONLY
100
tr=10
m
sec.
PEAK PULSE CURRENT - %
100
PEAK VALUE
l
PPM
PULSE WIDTH (td) is DEFINED
as the POINT WHERE the PEAK
CURRENT DECAYS
to 50% of l
PPM
HALF VALUE- l
PPM
2
10/1000
m
sec. WAVEFORM
as DEFINED by R.E.A.
50
0
td
0
1.0
2.0
t, TIME, ms
3.0
4.0
10
1
10
NUMBER OF CYCLES AT 60Hz
100
FIG.5- TYPICAL JUNCTION CAPACITANCE
UNIDIRECTIONAL
10000
UNIDIRECTIONAL
BIDIRECTIONA
CJ, JUNCTION CAPACITANCE. (pF)
V
R
=0
1000
100
Tj = 25 C
f=1.0MHz
Vsig=50mVp-p
V
R
-RATED
STAND-OFF
VOLTAGE
O
10
1
10
100
200
V(BR), BREAKDOWN VOLTAGE. VOLTS
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