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
SM15T SERIES RATING AND CHARACTERISTIC CURVES
Fig. 1 - Peak Pulse Power Rating Curve
100
Fig.2 - Pulse Derating Curve
100
(
PP
)
Current (I
PP
)
Derating in Percentage,%
87.5
75
62.5
50
37.5
25
12.5
0
P
PPM
-Peak Pulse Power
(kW)
10
1
0.31x0.31"(8.0x8.0mm)
Copper Pad Areas
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
0
25
50
75
100
125
150
175
200
t
d
- Pulse Width (sec.)
100000
T
A
- Ambient Temperature (°C)
Fig.4 - Typical Junction Capacitance
Uni-Directional
20000
10000
Measured at
Zero Bias
Fig.3 - Pulse Waveform
I
PPM
- Peak Pulse Current,%
I
RSM
150
t
r
= 10µsec.
Peak Value
I
PPM
Half Value- I
PPM
2
T
J
= 25°C
Pulse Width (t
d
)
is defined as the point
where the peak current
decays to 50% of I
PPM
100
C
J
- Junction Capacitance(pF)
1000
V
R
,Measured at
Stand-Off
Voltage, V
WM
100
T
J
= 25°C
f = 1.0MH
Z
Vsig = 50mVp-p
100
50
10/1000µsec.Waveform
as defined by R.E.A.
t
d
0
0
1.0
3.0
t - Time(ms)
2.0
3.0
4.0
4.0
Uni-Directional
Bi-Directional
1000
1000
400
10
1.0
10
400
V
WM
- Reverse Stand-Off Voltage (V)
Fig. 5 - Typ.Transient Thermal Impedance
100
Fig.6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Use Only
200
Transient Thermal
Impedance
(
℃
/W)
10
Peak Forward Surge
Current,Amperes
100
1.0
1
0.1
0
0.2
0.4
0.6
0.8
1
1.2
10
0
0.2
0.4
8.3ms Single Half Sine-Wave
(JEDEC Method)
T
J
= T
J
max.
0.6
0.8
1
1.2
t
p
-Pulse Duration (sec)
Number of Cycles at 60 Hz
MDE [ MDE SEMICONDUCTOR, INC. ]
