TVS Diodes
Surface Mount – 600W > SMBJ series
Pb e3
SMBJ Series
RoHS
Description
The SMBJ 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
• Excellent clamping
capability
• Low incremental surge
resistance
• 600W peak pulse power
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• High temperature to reflow
soldering guaranteed:
260°C/30sec
• VBR @TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value is
0.1%)
• UL Recognized compound
meeting flammability
classification V-0
• 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-STD-609A.01)
• UL Recognized to ANSI/
UL 497B: Protectors for
Data Communications and
Fire-Alarm Circuits.
•Typical IR less than 1μA
when VBR min>12V
• For surface mounted
applications to optimize
board space
Agency Approvals
Agency
Agency File Number
E230531
• Low profile package
•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
Maximum Ratings andThermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak Pulse Power Dissipation(Fig.2)
by 10/1000usTest Waveform(Fig.4) (Note 1),(Note PPPM
2)-Single Die Parts
Peak Pulse Power Dissipation(Fig.2)
by 10/1000usTest Waveform(Fig.4) (Note 1),
(Note 2)-Stacked Die Parts (Note 5)
600
W
PPPM
800
W
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
Power Dissipation on Infinite Heat Sink at
TL=50OC
PD
IFSM
VF
5.0
100
W
A
Peak Forward Surge Current, 8.3ms Single Half
Sine Wave (Note 3)
Maximum Instantaneous Forward Voltage at 50A
for Unidirectional Only (Note 4)
3.5/5.0
V
OperatingTemperature Range
TJ
-65 to 150 °C
-65 to 175 °C
• Built-in strain relief
StorageTemperature Range
TSTG
RƟJL
RƟJA
• Fast response time:
typically less than 1.0ps
from 0V to VBR min
TypicalThermal Resistance Junction to Lead
TypicalThermal Resistance Junction to Ambient
20
°C/W
°C/W
100
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 0.2x0.2” (5.0 x 5.0mm) 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. For stacked die component details, please refer to part numbers labeled by * in Electrical Characteristics.
Functional Diagram
Applications
TVS components 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
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/03/20