SMCJ-HRA Series
Uni-directional
Transient Voltage Suppression Diodes
Surface Mount – 1500W > SMCJ-HRA Series
RoHS
Pb e3
Bi-directional
Description
The SMCJ-HRA High Reliability series is designed
specifically to protect sensitive electronic equipment from
voltage transients induced by lightning and other transient
voltage events. These are available with a variety of up-
screening options for enhanced reliability.
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol
Peak Pulse Power Dissipation at
(TFAi=g2.15)º(NCobtye
10/1000µs waveform
1), (Note 2)
PPPM
Power Dissipation on infinite heat
sink at TL=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 Storage
Temperature Range
PM(AV)
IFSM
VF
TJ, TSTG
Typical Thermal Resistance Junction
to Lead
RuJL
Typical Thermal Resistance Junction
to Ambient
RuJA
Value
1500
6.5
200
3.5/5.0
-65 to 150
15
75
Unit
W
W
A
V
°C
°C/W
°C/W
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
component only, duty cycle=4 per minute maximum.
4. VF<3.5V for VBR <_ 200V and VF<5.0V for VBR >_ 201V.
Functional Diagram
Bi-directional
Features
• High reliability
components with
fabrication and assembly
lots traceability
• Enhanced reliability
screening options are
available in reference to
MIL-PRF-19500. Refer to
screen process table for
more detail on screening
options
• SMT for minimal board
footprint
• Low profile package
• Built-in strain relief
• V BR @TJ= VBR@25°C x (1+αT x
(TJ - 25))
(αT:Temperature Coefficient)
• 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 IR ≤ 1µA for VR >
11.10V
• High Temperature
soldering guaranteed:
260°C/40 seconds at
terminals
• UL Recognized compound
meeting flammability
rating 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
• 2nd level interconnect is
Pb-free per IPC/JEDEC
J-STD-609A.01
Applications
SMCJ-HRA components are ideal for high reliability
protection of
circuits used
iIn/OTeIlnetceorfmac, eCso,mVCpCubteurs,
and other
Industrial
vulnerable
and
Consumer electronic applications.
Cathode
Uni-directional
Anode
1
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/28/18
