2009 Littelfuse, Inc.
Revised: August 30, 2009 9:24 AM
Surface Mount – 1500W > 1.5SMC Automotive Series
1.5SMC Automotive Series
1.5SMC
A
utomotiv
eS
eries
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,
V
CC 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 profile package.
Built-in strain relief
Typical maximum
temperature coefficient
ΔV
BR = 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 I
R less than 1A
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 specifically to
protect sensitive automotive electronic equipment from
voltage transients.
Description
Parameter
Symbol
Value
Unit
Peak Pulse Power Dissipation at
T
A=25C by 10x1000s waveform
(Fig.1)(Note 1), (Note 2)
P
PPM
1500
W
Power Dissipation on infinite heat
sink at T
A=50
O
C
P
M(AV)
6.5
W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3)
I
FSM
200
A
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
only
V
F
3.5
V
Operating Junction and Storage
Temperature Range
T
J, TSTG
-65 to 150
°C
Typical Thermal Resistance Junction
to Lead
R
uJL
15
°C/W
Typical Thermal Resistance Junction
to Ambient
R
uJA
75
°C/W
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.
Maximum Ratings and Thermal Characteristics
(T
A=25
O
C unless otherwise noted)
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
RoHS