Transient
3KP
Series
MERITEK
R
ATING AND
C
HARACTERISTIC
C
URVES
Figure 1 - Peak Pulse Power Rating Curve
1000
(T
A
: 25°C UNLESS OTHERWISE SPECIFIED)
Figure 2 - Pulse Derating Curve
100
Peak Pulse Power (P
PP
) or Current
(I
PP
) Derating in Percentage %
P
PPM
-Peak Pulse Power (KW)
100
80
60
10
40
1
20
0.1
0.000001
0.00001
0.0001
0.001
0
0
25
50
75
100
125
150
175
200
t
d
-Pulse Width (Sec.)
T
A
-Ambient temperature (ºC)
Figure 3 - Pulse Waveform
150
I
PPM
- Peak Pulse Current, % I
RSM
tr=10μsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Figure 4 - Typical Junction Capacitance
1000000
Bi-directional V= OV
100
10000
Cj (Pf)
Uni-directional @ V
R
Uni-directional V= OV
Half Value
IPPM
IPPM
2
( )
10/1000μsec. Waveform
as defined by R.E.A
50
100
Bi-directional @ V
R
0
td
1
1.0
2.0
t-Time (ms)
3.0
4.0
1.0
10.0
100.0
1000.0
V
BR
- Reverse Breakdown Voltage (V)
0
Figure 5 - Steady State Power Dissipation Derating Curve
8
Steady State Power Dissipation (W)
Figure 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
350
I
FSM
Peak Forward Surge Current (A)
7
6
5
4
3
2
1
0
0
25
50
75 100 125 150 175
T
L
-Lead Temperature
(ºC)
200
L
L
300
250
200
150
100
50
0
1
10
Number of Cycles at 60 Hz
100
4
Rev 7
MERITEK [ MERITEK ELECTRONICS CORPORATION ]
