Automotive Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC Automotive Series
RoHS
1.5SMC Automotive Series
Description
The 1.5SMC Automotive series is designed specifically to
protect sensitive automotive electronic equipment from
voltage transients.
Features
• Fast response time:
typically less than 1.0ps
from 0V to BV min
• Excellent clamping
capability
• Low incremental surge
resistance
• Typical I
R
less than 1µA
above 13V
ΔV
BR
= 0.1% x V
BR
@25°C x ΔT
• High Temperature
soldering guaranteed:
• Glass passivated chip
260°C/40 seconds at
junction
terminals
• 1500W peak pulse power
• Plastic package has
capability at 10×1000μs
Underwriters Laboratory
waveform, repetition rate
Flammability 94V-O
(duty cycles):0.01%
• Matte Tin Lead–free Plated
• Halogen-Free
• RoHS compliant
• For surface mounted
applications to optimize
board space
• Low profile package.
• Built-in strain relief
• Typical maximum
temperature coefficient
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Parameter
Peak Pulse Power Dissipation at
T
A
=25ºC by 10x1000µs waveform
(Fig.1)(Note 1), (Note 2)
Power Dissipation on infinite heat
sink at T
A
=50
O
C
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3)
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
only
Operating Junction and Storage
Temperature Range
Typical Thermal Resistance Junction
to Lead
Typical Thermal Resistance Junction
to Ambient
Symbol
P
PPM
P
M(AV)
I
FSM
V
F
T
J
, T
STG
R
uJL
R
uJA
Value
1500
6.5
200
3.5
-65 to 150
15
75
Unit
W
W
Applications
A
V
°C
°C/W
°C/W
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.
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above T
A
= 25
O
C per Fig. 2.
2. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional
device only, duty cycle=4 per minute maximum.
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current information.
1.5SMC Automotive Series
Revised: August 30, 2009 9:24 AM
1.5SMC Automotive Series
Automotive Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC Automotive Series
Electrical Characteristics
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Voltage
V
R
(Volts)
10.20
11.10
12.80
13.60
15.30
17
.10
18.80
20.50
23.10
25.60
28.20
30.80
33.30
36.80
40.20
Marking
UNI
BI
Breakdown
Voltage V
BR
(Volts) @ I
T
MIN
11.40
12.40
14.30
15.20
17
.10
19.00
20.90
22.80
25.70
28.50
31.40
34.20
37
.10
40.90
44.70
MAX
12.60
13.70
15.80
16.80
18.90
21.00
23.10
25.20
28.40
31.50
34.70
37
.80
41.00
45.20
49.40
Test
Current
I
T
(mA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum Maximum Maximum
Clamping
Peak
Reverse
Voltage V
C
Pulse
Leakage I
R
@ I
pp
Current I
pp
@ V
R
(V)
(A)
(µA)
16.7
18.2
21.2
22.5
25.2
27
.7
30.6
33.2
37
.5
41.4
45.7
49.9
53.9
59.3
64.8
91.0
83.5
71.7
67
.6
60.3
54.9
49.7
45.8
40.5
36.7
33.3
30.5
28.2
25.6
23.5
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Agency
Approval
1.5SMC12AAUTO 1.5SMC12CAAUTO
12AA 12CA
1.5SMC13AAUTO 1.5SMC13CAAUTO
13AA 13CA
1.5SMC15AAUTO 1.5SMC15CAAUTO
15AA 15CA
1.5SMC16AAUTO 1.5SMC16CAAUTO
16AA 16CA
1.5SMC18AAUTO 1.5SMC18CAAUTO 18AA 18CA
1.5SMC20AAUTO 1.5SMC20CAAUTO
20AA 20CA
1.5SMC22AAUTO 1.5SMC22CAAUTO
22AA 22CA
1.5SMC24AAUTO 1.5SMC24CAAUTO
24AA 24CA
1.5SMC27AAUTO 1.5SMC27CAAUTO
27AA 27CA
1.5SMC30AAUTO 1.5SMC30CAAUTO
30AA 30CA
1.5SMC33AAUTO 1.5SMC33CAAUTO
33AA 33CA
1.5SMC36AAUTO 1.5SMC36CAAUTO
36AA 36CA
1.5SMC39AAUTO 1.5SMC39CAAUTO 39AA 39CA
1.5SMC43AAUTO 1.5SMC43CAAUTO
43AA 43CA
1.5SMC47AAUTO 1.5SMC47CAAUTO
47AA 47CA
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
The avaliable parts are “A” type only, the parts without A (V
BR
is ± 10%) is not avaliable.
1.5SMC Automotive Series
Revised: August 30, 2009 9:24 AM
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current
information.
Automotive Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC Automotive Series
Ratings and Characteristic Curves
(T =25°C unless otherwise noted)
A
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
100
P
PPM
-Peak Pulse Power (kW)
100
75
10
50
25
1
0.000001
0.31x0.31" (8.0x8.0mm)
Copper Pad Area
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
10000
1000
100
Bi-directional @V
R
Bi-directional V=0V
Uni-directional V=0V
100
Half Value
IPPM
IPPM
2
( )
10/1000µsec. Waveform
as defined by R.E.A
50
Cj (pF)
Uni-directional @V
R
10
1
1.0
0
td
Tj=25C
f=1.0MHz
Vsig=50mVp-p
0
1.0
2.0
t-Time (ms)
3.0
4.0
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
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)
0
25
50
75
100
125
150
175
T
A
- Ambient Temperature (ºC)
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current information.
1.5SMC Automotive Series
Revised: August 30, 2009 9:24 AM
1.5SMC Automotive Series
Figure 1 - Peak Pulse Power Rating
Figure 2 - Pulse Derating Curve
Automotive Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC Automotive Series
Soldering Parameters
Reflow Condition
- 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
)
Lead–free assembly
150°C
200°C
60 – 180 secs
3°C/second max
3°C/second max
217°C
60 – 150 seconds
260
+0/-5
°C
20 – 40 seconds
6°C/second max
8 minutes Max.
280°C
Temperature (T)
T
P
Ramp-up
t
p
Critical Zone
T
L
to T
P
T
L
T
s(max)
t
L
T
s(min)
Ramp-down
Preheat
t
s
25˚C
t 25˚C to Peak
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
Time (t)
Physical Specifications
Weight
Case
Polarity
Terminal
0.007 ounce, 0.21 grams
JEDEC DO214AB. Molded plastic body
over glass passivated junction
Color band denotes positive end
(cathode) except Bidirectional.
Matte Tin-plated leads, Solderable per
JESD22-B102D
Environmental Specifications
Temperature Cycle
Pressure Cooker
High Temp. Storage
HTRB
Thermal Shock
JESD22-A104
JESD 22-A102
JESD22-A103
JESD22-A108
JESD22-A106
Dimensions
DO-214AB (SMC J-Bend)
Cathode Band
Dimensions
A
Inches
Min
0.114
0.260
0.220
0.079
0.030
-
0.305
0.006
0.129
0.094
-
0.094
Max
0.126
0.280
0.245
0.103
0.060
0.008
0.320
0.012
-
-
0.165
-
Millimeters
Min
2.900
6.600
5.590
2.060
0.760
-
7
.750
0.152
3.300
2.400
-
2.400
Max
3.200
7
.110
6.220
2.620
1.520
0.203
8.130
0.305
-
-
4.200
-
A
B
H
D
F
G
J
K
L
C
B
C
D
E
F
G
H
I
J
K
L
E
Dimensions in inches and (millimeters)
I
Solder Pads
1.5SMC Automotive Series
(all dimensions in mm)
Revised: August 30, 2009 9:24 AM
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current
information.
Automotive Transient Voltage Suppression Diodes
Surface Mount – 1500W > 1.5SMC Automotive Series
Part Numbering System
1.5SMC XXX C A AUTO
Part Marking System
Cathode Band
5% VOLTAGE TOLERANCE
BI-DIRECTIONAL
VOLTAGE
SERIES
F
Littelfuse Logo
Marking Code
Packaging
Part number
1.5SMCxxxXXAUTO
Component
Package
DO-214AB
Quantity
3000
Packaging
Option
Tape & Reel – 16mm/13” tape
Packaging Specification
EIA STD RS-481
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current information.
1.5SMC Automotive Series
Revised: August 30, 2009 9:24 AM
1.5SMC Automotive Series
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