Littelfuse SMCJ-HRA Series User Manual
Smcj-hra series, Transient voltage suppression diodes, Tvs diode arrays

Transient Voltage Suppression Diodes
34
TVS Diode Arrays
(SPA
™
Family of Products)
©2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/24/13
Surface Mount – 1500W > SMCJ-HRA series
SMCJ-HRA Series
SMCJ-HRA devices are ideal for the high reliability 
protection of I/O Interfaces, V
CC
bus and other vulnerable
circuits used in Telecom, Computer, Industrial and 
Consumer electronic applications.
Applications
• High reliability devices
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
• For surface mounted
applications to optimize 
board space
•	 Low	profile	package
•	 Built-in	strain	relief
•	
V
BR
@T
J
= V
BR
@25°C x (1+
αT
x (T
J
- 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 I
R
less than 1µA
above 12V
• High Temperature
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
Features
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.
Description
Parameter
Symbol
Value
Unit
Peak Pulse Power Dissipation at
T
A
=25ºC by 10/1000µs waveform
(Fig.1)(Note 1), (Note 2)
P
PPM
1500
W
Power Dissipation on infinite heat
sink at T
A
=50
O
C
P
M(AV)
6.5
W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3)
I
FSM
200
A
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
only (Note 4)
V
F
3.5/5.0
V
Operating Junction and Storage
Temperature Range
T
J
, T
STG
-55 to 150
°C
Typical Thermal Resistance Junction
to Lead
R
uJL
15
°C/W
Typical Thermal Resistance Junction
to Ambient
R
uJA
75
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above T
A
= 25
O
C 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.
4. V
F
<3.5V for V
BR
_
_
<
200V and V
F
<5.0V for V
BR
__
>
201V.
Maximum Ratings and Thermal Characteristics 
(T
A
=25
O
C unless otherwise noted)
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
1
Functional Diagram
Bi-directional
Uni-directional
Cathode
Anode
RoHS
SMCJ-HRA Series
Bi-directional
Uni-directional
