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
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE-6.8 TO 220 Volts
1500 Watt Peak Pulse Power
FEATURES
• For surface mounted applications in order to
optimize board space
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Excellent clamping capability
• Repetition Rate(duty cycle):0.05%
• Fast response time: typically less than 1.0ps from 0
Volts to BV min.
• Typical IR less than 1mA above 10V
• High temperature soldering: 250°C/10 seconds at terminals
MECHANICAL DATA
Case: JEDEC DO214AB. Molded plastic over glass passivated junction
Terminal: Solder plated, solderable per MIL-STD-750, Method 2026
Polarity: Color band denotes positive end (cathode) except Bidirectional
Standard Packaging: 16mm tape(EIA STD RS-481)
Weight: 0.007ounce, 0.21gram
Dimensions in inches and (millimeters)
DEVICES FOR BIPOLAR APPLICATION
For Bidirectional use Suffix CA for types SM15T6V8CA thru types SM15T220CA
Electrical characteristics apply in both directions
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
RATING
Peak Pulse Power Dissipation on 10/1000µs waveform (Note 1,FIG.1)
Peak Pulse Current of on 10/1000µs waveform (Note 1,FIG.3)
Peak Forward Surge Current,8.3ms Single Half Sine-Wave
Superimposed on Rated Load,(JEDEC Method) (Note 3)
Operating junction and Storage Temperature Range
Notes :
1.Non-repetitive current pulse , per Fig. 3 and derated above TA = 25 per Fig. 2 .
℃
2.Mounted on 8.0mm2 Copper Pads to each terminal
SYMBOL
P
PPM
I
PPM
I
FSM
T
J
, T
STG
VALUE
Minimum 1500
SEE TABLE 1
200
-55 to + 150
UNITS
Watts
Amps
Amps
℃
3.8.3ms single half sine-wave , or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.
Certified RoHS Compliant
UL File # E223026
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
2.0
3.0
t - Time(ms)
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
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