TVS Diode
Surface Mount – 600W > SMBJ-HR series
Pb e3
RoHS
SMBJ-HR Series
Description
The SMBJ-HR High Reliability series is designed
specifically to protect sensitive electronic equipment from
voltage transients induced by lightning and other transient
voltage events.
Uni-directional
Bi-directional
Features
• 600W 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
above 12V
• VBR @TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value
is 0.1%)
• Glass passivated chip
junction
• High temperature
soldering guaranteed:
260°C/40 seconds at
terminals
• Plastic package is
flammability rated V-0 per
UL 94
• 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)
Agency Approvals
Agency
Agency File Number
E230531
Maximum Ratings andThermal Characteristics
(TA=25OC unless otherwise noted)
• For surface mounted
applications to optimize
board space
Parameter
Symbol
Value
Unit
• Low profile package
Peak Pulse Power Dissipation at
TA=25ºC by 10/1000µs Waveform (Fig.2)(Note
1), (Note 2)
•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
PPPM
600
W
Power Dissipation on Infinite Heat Sink at
TA=50OC
PM(AV)
IFSM
VF
5.0
100
3.5V
W
A
Peak Forward Surge Current, 8.3ms Single Half
Sine Wave (Note 3)
Maximum Instantaneous Forward Voltage at
50A for Unidirectional Only
V
Operating Junction and StorageTemperature
Range
TJ, TSTG -65 to 150 °C
15kV(Air), 8kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
TypicalThermal Resistance Junction to Lead
RƟJL
20
°C/W
°C/W
TypicalThermal Resistance Junction to Ambient RƟJA
100
Notes:
• UL Recognized to ANSI/
UL 497B: Protectors for
Data Communications and
Fire-Alarm Circuits.
1. Non-repetitive current pulse per Fig. 4 and derated above TA = 25OC per Fig. 3.
2. Mounted on copper pad area of 0.2x0.2” (5.0 x 5.0mm) to each terminal.
• EFT protection of data
lines in accordance with
IEC 61000-4-4
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty
cycle=4 per minute maximum.
• Built-in strain relief
• Fast response time:
typically less than 1.0ps
from 0V to BV min
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: 04/06/20