©2013 Littelfuse, Inc.
Specifi cations are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
2
TVS Diode Arrays (SPA
®
Diodes)
Revision: June 14, 2013
Lightning Surge Protection- SRDA3.3 Series
SRDA3.3 Series
SP4040
Absolute Maximum Ratings
Electrical Characteristics (T
OP
= 25°C)
Thermal Information
Parameter Rating Units
SOIC Package 170 °C/W
Operating Temperature Range -40 to 125 °C
Storage Temperature Range -55 to 150 °C
Maximum Junction Temperature 150 °C
Maximum Lead Temperature (Soldering
20-40s) (SOIC - Lead Tips Only)
260 °C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress only rating and operation of the device
at these or any other conditions above those indicated in the operational sections of this
specifi cation is not implied.
1
Parameter is guaranteed by design and/or device characterization.
Normalized Capacitance vs. Bias Voltage
Symbol Parameter Value Units
P
pk
Peak Pulse Power (8/20µs) 600 W
I
pp
Peak Pulse Current (8/20µs) 35 A
T
op
Operating Temperature -40 to 125 °C
T
STOR
Storage Temperature -55 to 150 °C
Parameter Symbol Test Conditions Min Typ Max Units
Reverse Stand-Off Voltage V
RWM
I
T
≤1µA - - 3.3 V
Reverse Breakdown Voltage V
BR
I
T
=2uA 3.5 - - V
Snap Back Voltage V
SB
I
T
=50mA 2.9 - - V
Reverse Leakage Current I
R
V
R
= 3.3V - - 1 µA
Clamping Voltage, Line-Ground
1
V
C
I
PP
= 1A, t
p
=8/20 µs - 5.7 - V
Clamping Voltage, Line-Ground
1
V
C
I
PP
= 10A, t
p
=8/20 µs - 10.1 - V
Clamping Voltage, Line-Ground
1
V
C
I
PP
= 30A, t
p
=8/20 µs - 17.7 - V
Dynamic Resistance, Line-Ground
1
R
DYN
( V
C2
-V
C1
)/(I
PP2
-I
PP1
) - 0.5 -
Ω
ESD Withstand Voltage
1
V
ESD
IEC61000-4-2 (Contact Discharge) ±30 - - kV
IEC61000-4-2 (Air Discharge) ±30 - - kV
Diode Capacitance
1
C
I/O-I/O
Reverse Bias=0V - 4.0 - pF
C
I/O-GND
Reverse Bias=0V - 8.0 - pF
0.01
0.1
1
10
0.1 1 10 100 1000
Pulse Duration-t
p
(µS)
Peak Pulse Power-P
pk
(kW)
Non-Repetitive Peak Pulse Power vs. Pulse Time
Bias Voltage (V)
Normalized Capacitance (pF)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.9
(5 pages)
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