Littelfuse SMCJ-HR Series User Manual
Smcj-hr series, Transient voltage suppression diodes, Tvs diode arrays
Transient Voltage Suppression Diodes
41
TVS Diode Arrays
(SPA
™
Family of Products)
©2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/22/13
Surface Mount – 1500W > SMCJ-HR series
SMCJ-HR Series
TVS Diode Arrays
(SPA
™
Family of Products)
Applications
Features
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.
Description
Parameter
Symbol
Value
Unit
Peak Pulse Power Dissipation at
T
A
=25ºC b
y 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.
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-HR Series
Bi-directional
Uni-directional
• For surface mounted
applications in order 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
10/1000
μs
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
TVS devices are ideal for the protection of I/O Interfaces,
V
CC
bus and other vulnerable circuits used in Telecom,
Computer, Industrial and Consumer electronic applications.