TVS Diodes
Surface Mount – 1500W > SMCJ-HR Series
Pb e3
SMCJ-HR Series
RoHS
Description
The SMCJ-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
Agency Approvals
Features
• For surface mounted
applications in order to
optimize board space
• Low profile package
• Built-in strain relief
• Typical IR less than 1µA
above 12V
• HighTemperature
soldering guaranteed:
260°C/40 seconds at
terminals
• Plastic package has
Underwriters laboratory
flammability 94V-O
• Meet MSL level1, per
J-STD-020, LF maximun
peak of 260°C
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• 2nd level interconnect is
Pb-free per IPC/JEDEC
J-STD-609A.01
• Recognized to UL 497B as
an Isolated Loop Circuit
Protector
Agency
Agency File Number
E230531
Maximum Ratings andThermal Characteristics
(TA=25OC unless otherwise noted)
• VBR @TJ= VBR@25°C x (1+αT x
(TJ - 25))
(αT:Temperature Coefficient)
Parameter
Symbol
PPPM
Value
1500
6.5
Unit
W
• 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
Peak Pulse Power Dissipation atTA=25ºC by
10/1000µs waveform (Fig.1)(Note 1), (Note 2)
Power Dissipation on infinite heat sink at
PM(AV)
IFSM
W
TA=50OC
Peak Forward Surge Current, 8.3ms Single Half
Sine Wave (Note 3)
Maximum Instantaneous Forward Voltage at
100A for Unidirectional
only (Note 4)
Operating Junction and StorageTemperature
Range
200
A
VF
3.5/5.0
V
TJ, TSTG -65 to 150 °C
TypicalThermal Resistance Junction to Lead
RuJL
RuJA
15
75
°C/W
°C/W
TypicalThermal Resistance Junction to
Ambient
• Low incremental surge
resistance
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.
Functional Diagram
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.
Bi-directional
Cathode
Anode
Uni-directional
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/10/20