TransientVoltage Suppression Diodes
Surface Mount > 3.0SMC series
e3
Pb
RoHS
3.0SMC Series
Description
Uni-directional
The 3.0SMC series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
Maximum Ratings andThermal Characteristics
(TA=25OC unless otherwise noted)
• For surface mounted
applications in order to
optimize board space
• Fast response time:
typically less than 1.0ps
from 0V to BV min
• Excellent clamping
capability
• Low incremental surge
resistance
Parameter
Symbol
PD
Value
6.5
Unit
W
Power Dissipation on Infinite Heat
Sink atTL=50OC
• Low profile package
•Typical failure mode is
short from over-specified
voltage or current
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 1)
IFSM
300
3.5
A
V
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
Only
• Whisker test is conducted • High temperature to reflow
VF
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
30kV(Air), 30kV (Contact)
• IPP is specified @ 8/20µS
surge waveform
• Built-in strain relief
soldering guaranteed:
260°C/40sec
• Meet MSL level1, per
J-STD-020, LF maximun
peak of 260°C
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
OperatingTemperature Range
StorageTemperature Range
TJ
-65 to 150
-65 to 175
°C
°C
TSTG
TypicalThermal Resistance Junction
to Lead
°C/W
RθJL
RθJA
15
75
TypicalThermal Resistance Junction
to Ambient
°C/W
Notes:
• VBR @TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value is
0.1%)
1. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional
device only, duty cycle=4 per minute maximum.
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
Functional Diagram
• Glass passivated chip
junction
Cathode
Anode
Uni-directional
Additional Infomarion
Applications
TVS devices are ideal for the protection of I/O Interfaces,
CC bus and other vulnerable circuits used inTelecom,
V
Computer, Industrial and Consumer electronic
applications.
Datasheet
Samples
Resources
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15