TVS Diodes
Surface Mount – 1500W > 1.5SMC series
1.5SMC Series
RoHS
Pb e3
Descriptios
The 1.5SMC series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Uni-directional
Features
Bi-directional
Agency Approvals
Agency
Agency File Number
E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol
Value
Unit
PPPM
1500
W
Power Dissipation on Infinite Heat Sink at
TL=50OC
PD
6.5
W
Peak Forward Surge Current, 8.3ms Single Half
Sine Wave (Note 3)
IFSM
200
A
Maximum Instantaneous Forward Voltage at
100A for Unidirectional Only (Note 4)
VF
3.5/5.0
V
°C
Peak Pulse Power Dissipation at TA=25ºC by
10/1000µs Waveform (Fig.2)(Note 1), (Note 2), (Note 5)
TJ
-65 to 150
Storage Temperature Range
TSTG
-65 to 175
°C
Typical Thermal Resistance Junction to Lead
RƟJL
15
°C/W
Typical Thermal Resistance Junction to Ambient
RƟJA
75
°C/W
Operating Temperature Range
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3.
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.
4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts.
5. The PPPM of stacked-die parts is 2000W and please contact littelfuse for the detail stacked-die parts.
• 1500W peak pulse power
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• Excellent clamping
capability
• Low incremental surge
resistance
• Typical IR less than 1μA
when VBR min>12V
• For surface mounted
applications to optimize
board space
• Low profile package
• Built-in strain relief
• Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Fast response time:
typically less than 1.0ps
from 0V to BV min
• Glass passivated chip
junction
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
• VBR @ TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value
is 0.1%)
• Plastic package is
flammability rated V-0 per
Underwriters Laboratories
• Meet MSL level1, per
J-STD-020, LF maximun
peak of 260°C
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD609A.01)
Applications
Functional Diagram
TVS devices are ideal for the protection of I/O Interfaces,
VCC bus and other vulnerable circuits used in Telecom,
Computer, Industrial and Consumer electronic
applications.
Bi-directional
Cathode
Anode
Uni-directional
Additional Infomarion
Datasheet
Resources
Samples
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/02/19
TVS Diodes
Surface Mount – 1500W > 1.5SMC series
Electrical Characteristics (T =25°C unless otherwise noted)
A
Uni
Bi
Reverse
Stand off
Voltage VR
(Volts)
1.5SMC6.8CA
6V8A
6V8C
5.80
1.5SMC7.5CA
7V5A
7V5C
6.40
1.5SMC8.2A
1.5SMC8.2CA
8V2A
8V2C
1.5SMC9.1A
1.5SMC9.1CA
9V1A
1.5SMC10A
1.5SMC10CA
10A
Part
Number
(Uni)
Part
Number
(Bi)
1.5SMC6.8A
1.5SMC7.5A
Breakdown
Voltage VBR
(Volts) @ IT
Maximum
Peak Pulse
Current Ipp
(A)
Maximum
Reverse
Leakage IR
@ VR (µA)
Agency
Approval
X
Max
IT (mA)
Maximum
Clamping
Voltage VC
@ Ipp (V)
6.45
7.14
10
10.5
144.8
1000
7.13
7.88
10
11.3
134.5
500
X
7.02
7.79
8.61
10
12.1
125.6
200
X
9V1C
7.78
8.65
9.50
1
13.4
113.4
50
X
10C
8.55
9.50
10.50
1
14.5
104.8
10
X
Marking
Min
Test
Current
1.5SMC11A
1.5SMC11CA
11A
11C
9.40
10.50
11.60
1
15.6
97.4
5
X
1.5SMC12A
1.5SMC12CA
12A
12C
10.20
11.40
12.60
1
16.7
91.0
5
X
1.5SMC13A
1.5SMC13CA
13A
13C
11.10
12.40
13.70
1
18.2
83.5
1
X
1.5SMC15A
1.5SMC15CA
15A
15C
12.80
14.30
15.80
1
21.2
71.7
1
X
1.5SMC16A
1.5SMC16CA
16A
16C
13.60
15.20
16.80
1
22.5
67.6
1
X
1.5SMC18A
1.5SMC18CA
18A
18C
15.30
17.10
18.90
1
25.2
60.3
1
X
1.5SMC20A
1.5SMC20CA
20A
20C
17.10
19.00
21.00
1
27.7
54.9
1
X
1.5SMC22A
1.5SMC22CA
22A
22C
18.80
20.90
23.10
1
30.6
49.7
1
X
1.5SMC24A
1.5SMC24CA
24A
24C
20.50
22.80
25.20
1
33.2
45.8
1
X
1.5SMC27A
1.5SMC27CA
27A
27C
23.10
25.70
28.40
1
37.5
40.5
1
X
1.5SMC30A
1.5SMC30CA
30A
30C
25.60
28.50
31.50
1
41.4
36.7
1
X
1.5SMC33A
1.5SMC33CA
33A
33C
28.20
31.40
34.70
1
45.7
33.3
1
X
1.5SMC36A
1.5SMC36CA
36A
36C
30.80
34.20
37.80
1
49.9
30.5
1
X
1.5SMC39A
1.5SMC39CA
39A
39C
33.30
37.10
41.00
1
53.9
28.2
1
X
1.5SMC43A
1.5SMC43CA
43A
43C
36.80
40.90
45.20
1
59.3
25.6
1
X
1.5SMC47A
1.5SMC47CA
47A
47C
40.20
44.70
49.40
1
64.8
23.5
1
X
1.5SMC51A
1.5SMC51CA
51A
51C
43.60
48.50
53.60
1
70.1
21.7
1
X
1.5SMC56A
1.5SMC56CA
56A
56C
47.80
53.20
58.80
1
77.0
19.7
1
X
1.5SMC62A
1.5SMC62CA
62A
62C
53.00
58.90
65.10
1
85.0
17.9
1
X
X
1.5SMC68A
1.5SMC68CA
68A
68C
58.10
64.60
71.40
1
92.0
16.5
1
1.5SMC75A
1.5SMC75CA
75A
75C
64.10
71.30
78.80
1
103.0
14.8
1
X
1.5SMC82A
1.5SMC82CA
82A
82C
70.10
77.90
86.10
1
113.0
13.5
1
X
1.5SMC91A
1.5SMC91CA
91A
91C
77.80
86.50
95.50
1
125.0
12.2
1
X
1.5SMC100A
1.5SMC100CA
100A
100C
85.50
95.00
105.00
1
137.0
11.1
1
X
1.5SMC110A
1.5SMC110CA
110A
110C
94.00
105.00
116.00
1
152.0
10.0
1
X
1.5SMC120A
1.5SMC120CA
120A
120C
102.00
114.00
126.00
1
165.0
9.2
1
X
1.5SMC130A
1.5SMC130CA
130A
130C
111.00
124.00
137.00
1
179.0
8.5
1
X
1.5SMC150A
1.5SMC150CA
150A
150C
128.00
143.00
158.00
1
207.0
7.3
1
X
1.5SMC160A
1.5SMC160CA
160A
160C
136.00
152.00
168.00
1
219.0
6.9
1
X
1.5SMC170A
1.5SMC170CA
170A
170C
145.00
162.00
179.00
1
234.0
6.5
1
X
1.5SMC180A
1.5SMC180CA
180A
180C
154.00
171.00
189.00
1
246.0
6.2
1
X
1.5SMC200A
1.5SMC200CA
200A
200C
171.00
190.00
210.00
1
274.0
5.5
1
X
1.5SMC220A
1.5SMC220CA
220A
220C
185.00
209.00
231.00
1
328.0
4.6
1
X
1.5SMC250A
1.5SMC250CA
250A
250C
214.00
237.00
263.00
1
344.0
4.4
1
X
1.5SMC300A
1.5SMC300CA
300A
300C
256.00
285.00
315.00
1
414.0
3.7
1
X
1.5SMC350A
1.5SMC350CA
350A
350C
300.00
332.00
368.00
1
482.0
3.2
1
X
1.5SMC400A
1.5SMC400CA
400A
400C
342.00
380.00
420.00
1
548.0
2.8
1
X
1.5SMC440A
1.5SMC440CA
440A
440C
376.00
418.00
462.00
1
602.0
2.5
1
X
1.5SMC480A
1.5SMC480CA
480A
480C
408.00
456.00
504.00
1
658.0
2.3
1
X
1.5SMC510A
1.5SMC510CA
510A
510C
434.00
485.00
535.00
1
698.0
2.1
1
X
1.5SMC530A
1.5SMC530CA
530A
530C
451.00
503.50
556.50
1
725.0
2.1
1
X
1.5SMC540A
1.5SMC540CA
540A
540C
460.00
513.00
567.00
1
740.0
2.0
1
X
1.5SMC550A
1.5SMC550CA
550A
550C
468.00
522.50
577.50
1
760.0
2.0
1
X
1.5SMC600A
1.5SMC600CA
600A
600C
512.00
570.00
630.00
1
828.0
1.9
1
-
For bidirectional type having VR of 10 volts and less, the IR limit is double.
For parts without A , the VBR is ± 10% and Vc is 5% higher than with A parts.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/02/19
TVS Diodes
Surface Mount – 1500W > 1.5SMC series
I-V Curve Characteristics
Bi-directional
Uni-directional
Ipp
Vc VBR VR
IR VF
IT
IT
IR
Vc VBR VR
V
IR
IT
V
Ipp
Ipp
PPPM
VR
VBR
VC
IR
VF
VR VBR Vc
Peak Pulse Power Dissipation -- Max power dissipation
Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
Reverse Leakage Current -- Current measured at VR
Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves (T =25°C unless otherwise noted)
A
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating
100
PPPM-Peak Pulse Power (kW)
Voltage Transients
Voltage or Current
Voltage Across TVS
Current Through TVS
TJ initial = Tamb
1
0.1
0.001
Time
stacked-die, 2kW
at 10x1000µs, 25°C
10
Single die, 1.5kW
at 10x1000µs, 25°C
0.01
0.1
1
10
td-Pulse Width (ms)
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/02/19
TVS Diodes
Surface Mount – 1500W > 1.5SMC series
Ratings and Characteristic Curves (T =25°C unless otherwise noted) (Continued)
A
Figure 4 - Pulse Waveform
Figure 3 - Peak Pulse Power Derating Curve
150
IPPM- Peak Pulse Current, % IRSM
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
100
80
60
40
20
0
0
25
50
75
100 125 150
TJ - Initial Junction Temperature (ºC)
Uni-directional V=VR
100
Bi-directional V=VR
1
10
100
2
0
Transient Thermal Impedance (°C/W)
Cj(pF)
Bi-directional V=0V
1
( )
50
10/1000µsec. Waveform
as defined by R.E.A
td
1.0
0
3.0
4.0
100
10
1
0.1
0.01
0.001
1000
0.01
0.1
VBR - Reverse Breakdown Voltage(V)
1
10
100
1000
TP - Pulse Duration (s)
Figure 7 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
100.0
200
Single die
180
IF- Peak Forward Current(A)
IFSM - Peak Forward Surge Current (A)
2.0
Figure 6 - Typical Transient Thermal Impedance
Uni-directional V=0V
10
Half Value
IPPM IPPM
t-Time (ms)
100000
1000
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Peak Value
IPPM
100
175
Figure 5 - Typical Junction Capacitance
10000
tr=10µsec
160
140
120
100
80
60
40
Stacked-die
10.0
1.0
20
0
1
10
Number of Cycles at 60 Hz
100
0.1
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
VF-Peak Forward Voltage(V)
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/02/19
TVS Diodes
Surface Mount – 1500W > 1.5SMC series
Soldering Parameters
Lead–free assembly
Pre Heat
- Temperature Min (Ts(min))
150°C
- Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
60 – 180 secs
Average ramp up rate (Liquidus Temp (TA) to peak
3°C/second max
TS(max) to TA - Ramp-up Rate
3°C/second max
Reflow
Ramp-up
TL
- Temperature (TL) (Liquidus)
217°C
- Time (min to max) (tL)
60 – 150 seconds
Peak Temperature (TP)
260
Time within 5°C of actual peak Temperature (tp)
20 – 40 seconds
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max.
Do not exceed
260°C
+0/-5
Critical Zone
TL to TP
Ts(max)
Ramp-down
Ts(min)
ts
Preheat
25˚C
t 25˚C to Peak
Time (t)
Environmental Specifications
Polarity
0.007 ounce, 0.21 grams
JEDEC DO214AB. Molded plastic body over glass passivated
junction
Color band denotes positive end (cathode) except Bidirectional.
Terminal
Matte Tin-plated leads, Solderable per JESD22-B102
Case
tL
°C
Physical Specifications
Weight
tp
TP
Temperature (T)
Reflow Condition
JESD22-A103
JESD22-A108
JESD22-A104
JEDEC-J-STD-020, Level 1
JESD22-A101
JESD22-A111
High Temp. Storage
HTRB
Temperature Cycling
MSL
H3TRB
RSH
Dimensions
DO-214AB (SMC J-Bend)
Dimensions
Cathode Band
(for uni-directional products only)
A
C
A
B
H
D
F
E
J
K
Inches
Millimeters
Min
Max
Min
Max
0.114
0.126
2.900
3.200
B
0.260
0.280
6.600
7.110
C
0.220
0.245
5.590
6.220
2.620
D
0.079
0.103
2.060
E
0.030
0.060
0.760
1.520
F
-
0.008
-
0.203
G
0.305
0.320
7.750
8.130
H
0.006
0.012
0.152
0.305
-
I
0.129
-
3.300
J
0.094
-
2.400
-
K
-
0.165
-
4.200
L
0.094
-
2.400
-
L
G
I
Dimensions in inches and (millimeters)
Solder Pads
(all dimensions in mm)
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/02/19
TVS Diodes
Surface Mount – 1500W > 1.5SMC series
Part Numbering System
1.5SMC
Part Marking System
XXX C A
Cathode Band
F
(for uni-directional products only)
5% VBR Voltage Tolerance
XXX
Bi-Directional
YMXXX
VBR Voltage
Littelfuse Logo
Marking Code
Trace Code Marking
Y:Year Code
M: Month Code
XXX: Lot Code
Series
Packaging
Part number
Component Package
Quantity
Packaging Option
Packaging Specification
1.5SMCxxxXX
DO-214AB
3000
Tape & Reel - 16mm tape/13” reel
EIA STD RS-481
Tape and Reel Specification
0.157
(4.0)
0.63
(16.0)
Cathode
0.315
(8.0)
0.059 DIA
(1.5)
Cover tape
13.0 (330)
0.80 (20.2)
Arbor Hole Dia.
0.65
(16.4)
Dimensions are in inches
(and millimeters).
Direction of Feed
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are
not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/02/19
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