Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC series
RoHS
1.5SMC Series
Description
Features
applications to optimize
board space
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
resistance
less than 1μA
above 13V
ΔV
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Value
T
A
1500
Unit
junction
260°C/40 seconds at
terminals
A
=50
O
C
I
V
T, T
6.5
Applications
200
3.5/5.0
A
V
°C
15
75
TVS devices are ideal for the protection of I/O Interfaces,
V
CC
bus and other vulnerable circuits used in Telecom,
Computer, Industrial and Consumer electronic applications.
to Ambient
Notes:
A
= 25
O
4. V <3.5V for V
<
_
200V and V <5.0V for V
>
_
201V.
1.5SMC Series
47
Revision: December 01, 2010, 13:50
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/1.5SMC.html for current information.
1.5SMC Series
Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC series
Electrical Characteristics
Reverse
Stand off
Voltage
V
R
(Volts)
6.40
7
.02
Part
Number
(Uni)
Part
Number
(Bi)
Marking
UNI
7V5A
Breakdown
Voltage V
BR
(Volts) @ I
T
MIN
6.45
7
.13
BI
7V5C
MAX
7
.14
Test
Current
I
T
(mA)
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum Maximum Maximum
Agency
Clamping
Peak
Reverse
Approval
Voltage V
C
Pulse
Leakage I
R
@ I
pp
Current I
pp
@ V
R
(V)
(A)
(μA)
10.5
11.3
12.1
13.4
14.5
15.6
16.7
21.2
22.5
25.2
27
.7
30.6
33.2
37
.5
41.4
45.7
134.5
125.6
113.4
1000
500
200
50
10
5
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
10A
11A
12A
13A
15A
16A
20A
22A
24A
27A
30A
33A
36A
43A
47A
51A
56A
62A
75A
10C
11C
12C
13C
15C
16C
20C
22C
24C
27C
30C
33C
36C
43C
47C
51C
56C
62C
75C
10.20
11.10
13.60
15.30
17
.10
20.50
23.10
25.60
10.50
11.40
12.40
14.30
15.20
17
.10
10.50
11.60
12.60
13.70
71.7
67
.6
60.3
21.00
23.10
25.20
25.70
31.40
34.20
37
.10
44.70
53.60
53.20
65.10
71.40
31.50
34.70
41.00
45.20
40.5
36.7
33.3
30.5
25.6
23.5
21.7
33.30
40.20
43.60
53.00
64.10
70.10
70.1
77
.0
64.60
71.30
16.5
103.0
113.0
125.0
137
.0
152.0
165.0
207
.0
234.0
246.0
274.0
344.0
414.0
13.5
12.2
11.1
10.0
75A
120A
130A
150A
160A
170A
200A
220A
250A
300A
350A
400A
440A
510A
530A
540A
550A
is ± 10%
100C
110C
120C
130C
150C
160C
170C
200C
220C
250C
300C
350C
400C
440C
510C
530C
540C
550C
102.00
111.00
136.00
145.00
154.00
171.00
214.00
256.00
300.00
342.00
376.00
434.00
477
.00
105.00
114.00
124.00
143.00
152.00
162.00
171.00
105.00
116.00
126.00
137
.00
7
.3
6.5
6.2
5.5
4.6
4.4
3.7
3.2
2.5
2.3
2.1
2.1
2.0
2.0
237
.00
332.00
210.00
231.00
263.00
315.00
420.00
462.00
504.00
535.00
556.50
567
.00
577
.50
602.0
456.00
503.50
513.00
522.50
725.0
740.0
760.0
of 10 volts and less, the I limit is double.
1.5SMC Series
48
Revision: December 01, 2010, 13:50
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/1.5SMC.html for current information.
Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC series
Ratings and Characteristic Curves
(T =25°C unless otherwise noted)
A
Figure 1 - Peak Pulse Power Rating
100
P
PPM
-Peak Pulse Power (kW)
Figure 2 - Pulse Derating Curve
100
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
75
10
50
25
0.31x0.31" (8.0x8.0mm)
Copper Pad Area
1
0.000001
0
0.0001
0.001
0.00001
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
100000
Bi-directional V=0V
10000
Uni-directional V=0V
100
Cj (pF)
1000
Half Value
IPPM
IPPM
2
Uni-directional @V
R
( )
10/1000μsec. Waveform
as defined by R.E.A
100
Bi-directional @V
R
50
10
td
Tj=25C
f=1.0MHz
Vsig=50mVp-p
0
0
1.0
2.0
t-Time (ms)
3.0
4.0
1
1.0
10.0
100.0
1000.0
V
BR
- Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Dissipation Derating
Curve
6.5
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
25
50
75
100
125
150
175
T
A
- Ambient Temperature (ºC)
Figure 6 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
200
I
FSM
- Peak Forward Surge Current (A)
180
160
140
120
100
80
60
40
20
0
1
10
Number of Cycles at 60 Hz
100
P
M(AV)
, Steady Sate Power
Dissipation (W)
1.5SMC Series
49
Revision: December 01, 2010, 13:50
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/1.5SMC.html for current information.
Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC series
Soldering Parameters
Reflow Condition
T
P
t
p
Ramp-up
Critical Zone
T
L
to T
P
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Average ramp up rate (Liquidus Temp
(T
L
) to peak
T
S(max)
to T
L
- Ramp-up Rate
Reflow
- Temperature (T
L
) (Liquidus)
- Time (min to max) (t
s
)
150°C
200°C
Temperature (T)
T
L
T
s(max)
t
L
Ramp-down
T
s(min)
t
s
Preheat
217°C
25˚C
t 25˚C to Peak
Time (t)
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
260
°C
Physical Specifications
Weight
Case
Color band denotes positive end
Environmental Specifications
Temperature Cycle
Pressure Cooker
High Temp. Storage
HTRB
Thermal Shock
Polarity
Terminal
Dimensions
DO-214AB (SMC J-Bend)
Inches
Dimensions
Min
A
0.114
0.260
C
0.220
0.245
0.103
0.030
0.060
Max
0.126
Millimeters
Min
Max
3.200
6.600
7
.110
6.220
2.060
0.760
2.620
1.520
0.203
Cathode Band
A
C
B
H
D
0.305
0.320
0.012
7
.750
0.152
3.300
2.400
0.305
F
E
J
0.006
I
G
K
L
K
0.165
2.400
4.200
I
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/1.5SMC.html for current information.
1.5SMC Series
50
Revision: December 01, 2010, 13:50
Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC series
Part Numbering System
1.5SMC XXX C A
Part Marking System
Cathode Band
5%
VOLTAGE TOLERANCE
BI-DIRECTIONAL
VOLTAGE
SERIES
F
Littelfuse Logo
Marking Code
XXX
Packaging
Part number
Component
Package
Quantity
3000
Packaging
Option
Packaging
Specification
1.5SMC Series
51
Revision: December 01, 2010, 13:50
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/1.5SMC.html for current information.
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