©2009 Littelfuse, Inc.
Revised: August 30, 2009 9:24 AM
Surface Mount – 1500W > 1.5SMC Automotive Series
1.5SMC Automotive Series
1.5SMC Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current information.
1.5SMC Automotive Series
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.
Applications
• Halogen-Free
• RoHS compliant
• For surface mounted
applications to optimize
board space
• Low prole package.
• Built-in strain relief
• Typical maximum
temperature coefcient
ΔVBR = 0.1% x VBR@25°C x ΔT
• Glass passivated chip
junction
• 1500W peak pulse power
capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
• Fast response time:
typically less than 1.0ps
from 0V to BV min
• Excellent clamping
capability
• Low incremental surge
resistance
• Typical IR less than 1µA
above 13V
• High Temperature
soldering guaranteed:
260°C/40 seconds at
terminals
• Plastic package has
Underwriters Laboratory
Flammability 94V-O
• Matte Tin Lead–free Plated
Features
The 1.5SMC Automotive series is designed specically to
protect sensitive automotive electronic equipment from
voltage transients.
Description
Parameter Symbol Value Unit
Peak Pulse Power Dissipation at
TA=25ºC by 10x1000µs waveform
(Fig.1)(Note 1), (Note 2)
PPPM 1500 W
Power Dissipation on innite heat
sink at TA=50OCPM(AV) 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
VF3.5 V
Operating Junction and Storage
Temperature Range T
J, TSTG -65 to 150 °C
Typical Thermal Resistance Junction
to Lead RuJL 15 °C/W
Typical Thermal Resistance Junction
to Ambient RuJA 75 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC 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.
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Agency Approvals
AGENCY AGENCY FILE NUMBER
E230531
RoHS
Revised: August 30, 2009 9:24 AM
©2009 Littelfuse, Inc.
1.5SMC Automotive Series
Surface Mount – 1500W > 1.5SMC Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current
information.
Electrical Characteristics
Part
Number
(Uni)
Part
Number
(Bi)
Marking
Reverse
Stand off
Voltage
VR
(Volts)
Breakdown
Voltage VBR
(Volts) @ IT
Test
Current
IT
(mA)
Maximum
Clamping
Voltage VC
@ Ipp
(V)
Maximum
Peak
Pulse
Current Ipp
(A)
Maximum
Reverse
Leakage IR
@ VR
(µA)
Agency
Approval
UNI BI MIN MAX
1.5SMC12AAUTO 1.5SMC12CAAUTO 12AA 12CA 10.20 11.40 12.60 1 16.7 91.0 5 X
1.5SMC13AAUTO 1.5SMC13CAAUTO 13AA 13CA 11.10 12.40 13.70 1 18.2 83.5 1 X
1.5SMC15AAUTO 1.5SMC15CAAUTO 15AA 15CA 12.80 14.30 15.80 1 21.2 71.7 1 X
1.5SMC16AAUTO 1.5SMC16CAAUTO 16AA 16CA 13.60 15.20 16.80 1 22.5 67.6 1 X
1.5SMC18AAUTO 1.5SMC18CAAUTO 18AA 18CA 15.30 17.10 18.90 1 25.2 60.3 1 X
1.5SMC20AAUTO 1.5SMC20CAAUTO 20AA 20CA 17.10 19.00 21.00 1 27.7 54.9 1 X
1.5SMC22AAUTO 1.5SMC22CAAUTO 22AA 22CA 18.80 20.90 23.10 1 30.6 49.7 1 X
1.5SMC24AAUTO 1.5SMC24CAAUTO 24AA 24CA 20.50 22.80 25.20 1 33.2 45.8 1 X
1.5SMC27AAUTO 1.5SMC27CAAUTO 27AA 27CA 23.10 25.70 28.40 1 37.5 40.5 1 X
1.5SMC30AAUTO 1.5SMC30CAAUTO 30AA 30CA 25.60 28.50 31.50 1 41.4 36.7 1 X
1.5SMC33AAUTO 1.5SMC33CAAUTO 33AA 33CA 28.20 31.40 34.70 1 45.7 33.3 1 X
1.5SMC36AAUTO 1.5SMC36CAAUTO 36AA 36CA 30.80 34.20 37.80 149.9 30.5 1 X
1.5SMC39AAUTO 1.5SMC39CAAUTO 39AA 39CA 33.30 37.10 41.00 1 53.9 28.2 1 X
1.5SMC43AAUTO 1.5SMC43CAAUTO 43AA 43CA 36.80 40.90 45.20 1 59.3 25.6 1 X
1.5SMC47AAUTO 1.5SMC47CAAUTO 47AA 47CA 40.20 44.70 49.40 164.8 23.5 1 X
The avaliable parts are “A” type only, the parts without A (VBR is ± 10%) is not avaliable.
©2009 Littelfuse, Inc.
Revised: August 30, 2009 9:24 AM
Surface Mount – 1500W > 1.5SMC Automotive Series
1.5SMC Automotive Series
1.5SMC Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current information.
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
1
10
100
0.000001 0.00001 0.0001 0.001
t
d
-Pulse Width (sec.)
PPPM-Peak Pulse Power (kW)
0.31x0.31" (8.0x8.0mm)
Copper Pad Area
IPPM- Peak Pulse Current, % IRSM
0
0
50
100
150
1.0 2.0 3.0 4.0
tr=10µsec
Peak Value
IPPM
IPPM
2
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000µsec. Waveform
as defined by R.E.A
td
t-Time (ms)
Half Value
IPPM ( )
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
T
A
- Ambient Temperature (ºC)
0 25 50 75 100 125 150 175 200
100
75
50
25
0
1
10
100
1000
10000
100000
1.0 10.0 100.0 1000.0
Cj (pF)
Tj=25C
f=1.0MHz
Vsig=50mVp-p
Uni-directional V=0V
Bi-directional V=0V
VBR - Reverse Breakdown Voltage (V)
Uni-directional @VR
Bi-directional @VR
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
0 25 50 75 100 125 150 175
PM(AV), Steady Sate Power
Dissipation (W)
TA - Ambient Temperature (ºC)
Figure 1 - Peak Pulse Power Rating Figure 2 - Pulse Derating Curve
Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance
Figure 5 - Steady State Power Dissipation Derating
Curve
0
20
40
60
80
100
120
140
160
180
200
1 10 100
Number of Cycles at 60 Hz
IFSM - Peak Forward Surge Current (A)
Figure 6 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
Revised: August 30, 2009 9:24 AM
©2009 Littelfuse, Inc.
1.5SMC Automotive Series
Surface Mount – 1500W > 1.5SMC Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current
information.
Physical Specifications
Weight 0.007 ounce, 0.21 grams
Case JEDEC DO214AB. Molded plastic body
over glass passivated junction
Polarity Color band denotes positive end
(cathode) except Bidirectional.
Terminal Matte Tin-plated leads, Solderable per
JESD22-B102D
Dimensions
Environmental Specifications
Temperature Cycle JESD22-A104
Pressure Cooker JESD 22-A102
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Thermal Shock JESD22-A106
Soldering Parameters
Temperature (T)
Time (t)
Ts(min)
Ts(max)
TL
TP
ts
Preheat
tL
tp
Ramp-up Critical Zone
TL to TP
Ramp-down
t 25˚C to Peak
25˚C
Reflow Condition 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
(TL) to peak 3°C/second max
TS(max) to TL - Ramp-up Rate 3°C/second max
Reflow - Temperature (TL) (Liquidus) 217°C
- Time (min to max) (ts)60 – 150 seconds
Peak Temperature (TP)260+0/-5 °C
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 280°C
Dimensions Inches Millimeters
Min Max Min Max
A 0.114 0.126 2.900 3.200
B0.260 0.280 6.600 7.110
C 0.220 0.245 5.590 6.220
D 0.079 0.103 2.060 2.620
E0.030 0.060 0.760 1.520
F - 0.008 - 0.203
G0.305 0.320 7.750 8.130
H0.006 0.012 0.152 0.305
I0.129 - 3.300 -
J 0.094 - 2.400 -
K-0.165 -4.200
L 0.094 - 2.400 -
DO-214AB (SMC J-Bend)
Dimensions in inches and (millimeters)
Cathode Band
B
F
G
H
E
C
D
A
(all dimensions in mm)
I
L
K
J
Solder Pads
©2009 Littelfuse, Inc.
Revised: August 30, 2009 9:24 AM
Surface Mount – 1500W > 1.5SMC Automotive Series
1.5SMC Automotive Series
1.5SMC Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1.5SMCAUTO.html for current information.
Part Numbering System
Packaging
Part number Component
Package Quantity Packaging
Option Packaging Specification
1.5SMCxxxXXAUTO DO-214AB 3000 Tape & Reel – 16mm/13” tape EIA STD RS-481
VOLTAGE
BI-DIRECTIONAL
5% VOLTAGE TOLERANCE
SERIES
1.5SMC XXX C A AUTO
Part Marking System
F
XXXX
Marking Code
Littelfuse Logo
Cathode Band
Revised: August 30, 2009 9:24 AM
©2009 Littelfuse, Inc.