1.5 SMC Series
1500W Surface Mount
Transient Voltage Suppressor
P b
Lead(Pb)-Free
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 1μA above 10V
* High temperature soldering: 250°C/10 seconds at terminals
VOLTAGE
6.8 to 550 Volts
Peak Pulse Power
1500 Watt
SMC(DO-214AB)
Mechanical Data:
* 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
DEVICES FOR BIPOLAR APPLICATION:
For Bidirectional use Suffix CA for types 1.5SMC6.8CA thru types 1.5SMC550CA
Electrical characteristics apply in both directions
MAXIMUM RATINGS AND CHARACTERISTICS
(T
A
=25°C 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 Temperature Range
Storage Temperature Range
Symbol
P
PPM
I
PPM
I
FSM
T
J
T
STG
Value
1500(Min)
SEE TABLE 1
Units
W
A
A
°C
°C
200
+150
-55 to +150
Notes :
1. Non-repetitive current pulse , per Fig. 3 and derated above T
A
= 25°C per Fig.2.
2. Mounted on 8.0mm x 8.0mm Copper Pads to each terminal.
3. 8.3ms single half sine-wave , or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.
WEITRON
http://www.weitron.com.tw
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1.5 SMC Series
RATINGS AND CHARACTERISTIC CURVES
100
100
P
PPM
-Peak Pulse Power (kW)
Peak Pulse Power (P
PP
)
or Current (I
PP
)
De rat i ng in P er ce nt age , %
1.0µs
10µs
100µs
1.0ms
10ms
87.5
75
62.5
50
37.5
25
12.5
0
0
25
50
75
100
125
150
175
200
10
1
0.1
0.1µs
Fig. 1 - Peak Pulse Power Rating Curve
t
d
- Pulse Width (sec.)
T
A
- Ambient Temperature (°C)
Fig.2 - Pulse Derating Curve
150
10000
I
PPM
- Peak Pulse Current,% I
RSM
100
Peak Value
I
PPM
Half Value- I
PPM
2
is defined as the point
where the peak current
decays to 50% of I
PPM
C
J
- Cap ac i tan ce (p F)
t
r
= 10µsec.
T
J
= 25°C
Pulse Width (t
d
)
Unidirectional
Bidirectional
V
R
= 0
1000
V
R
= Rated
Stand-off Voltage
100
50
10/1000µsec.Waveform
as defined by R.E.A.
f = 1MHz
Vsig = 50mVp-p
T
J
= 25°C
t
d
0
0
1.0
2.0
3.0
4.0
10
5
10
100
500
Fig.3 - Pulse Waveform
t - Time(ms)
Fig. 4 - Typical Junction Capacitance
VWM - Reverse Stand-Off Voltage (V)
P
M(AV)
,Steady State Power
Dissipation (W)
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
1.6x1.6x.040"
(40x40x1mm)
Copper Heat Sinks
L=0.375" (9.5mm)
Lead Lengths
60Hz
Resistive or
Inductive Load
I
FSM
-Peak Forward Surge Current (A)
8.0
200
8.3ms Single Half Sine-Wave
(JEDEC Method)T
J
=T
J
max.
100
25
50
75
100
125
150
175
200
10
1
10
100
Fig. 5 - Steady State Power Derating Curve
T
L
- Lead Temperature (°C)
Number of Cycles at 60 Hz
Fig.6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
WEITRON
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