MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel : 760-564-8656 • Fax : 760-564-2414
1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com
RATING AND CHARACTERISTIC CURVES SMDJ SERIES
Fig. 1 - Peak Pulse Power Rating Curve
100
Fig.2 - Pulse Derating Curve
100
Peak Pulse Power (P )
PP
or Current (I
PP
)
Derating in Percentage,%
P
PPM
-Peak Pulse Power (kW)
Non-repetitive pulse
waveform shown in
Fig.3 T
A
= 25°C
87.5
75
62.5
50
37.5
25
12.5
0
10
1
0.1
0.1μs
0
25
50
75
100
125
150
175
200
1.0μs
10μs
100μs
1.0ms
10ms
T
A
- Ambient Temperature (°C)
t
d
- Pulse Width (sec.)
I
PPM
- Peak Pulse Current,% I
RSM
150
Fig.3 - Pulse Waveform
t
r
= 10μsec.
Peak Value
I
PPM
Half Value- I
PPM
2
T
J
= 25°C
Pulse Width(td)is defined
as the point where the
peak current decays to
50% of I
PPM
10000
10000
Fig. 4 - Typical Junction Capacitance
Unidirectional
Bidirectional
100
1000
C
J
- Capacitance (pF)
V
R
= 0
1000
50
10/1000μsec.Waveform
as defined by R.E.A.
100
100
V
R
= Rated
Stand-off
f = 1MHz
V
sig
= 50mV
p-p
T
J
25°C
t
d
0
0
1.0
2.0
3.0
3.0
4.0
10
4.0
1
10
5
10
t - Time(ms)
Fig. 5 - Steady State Power
Derating Curve
8.0
7.0
60Hz
Resistive or
Inductive Load
250
300
V
WM
- Reverse Stand-Off Voltage (V)
Fig.6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
8.3ms Single Half Sine-Wave
(JEDEC Method)T
J
=T
J
max.
10
100
500
1000
P
M(AV)
,Steady State Power
Dissipation (W)
6.0
5.0
4.0
3.0
2.0
1.0
0
0
25
50
75
100
125
150
175
200
I
FSM
-Peak Forward Surge
Current (A)
200
150
100
1
10
100
T
L
- Lead Temperature (°C)
Number of Cycles at 60 Hz
MDE [ MDE SEMICONDUCTOR, INC. ]
