SR70 查看數據表（PDF） - Littelfuse, Inc
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SR70 Datasheet PDF : 3 Pages
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TVS Diode Arrays (SPA® Diodes)
Lightning Surge Protection- SR70 Series
Absolute Maximum Ratings
Symbol
IPP
TOP
TSTOR
Parameter
Peak Current (tp=8/20μs)
Operating Temperature
Storage Temperature
Value
40.0
–40 to 125
–55 to 150
Units
A
°C
°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
specification is not implied.
Thermal Information
Parameter
Storage Temperature Range
Maximum Junction Temperature
Maximum Lead Temperature
(Soldering 20-40s)
Rating Units
–55 to 150 °C
150
°C
260
°C
Electrical Characteristics (TOP=25ºC)
Parameter
Reverse Standoff Voltage
Reverse Leakage Current
Clamp Voltage1
Dynamic Resistance
ESD Withstand Voltage1
Diode Capacitance1
Symbol
VRWM
ILEAK
VC
RDYN
VESD
CI/O-GND
CI/O-I/O
Test Conditions
VR=70V
IPP=1A, tp=8/20µs, Fwd
IPP=10A, tp=8/20µs, Fwd
IPP=30A, tp=8/20µs, Fwd
(VC2-VC1)/(IPP2-IPP1)
IEC61000-4-2 (Contact)
IEC61000-4-2 (Air)
Reverse Bias=0V, f=1MHz
Reverse Bias=0V, f=1MHz
Note: 1. Parameter is guaranteed by design and/or device characterization.
Min
±30
±30
Typ
1.4
4.7
12
0.35
2.0
1.3
Max
70
5
3.0
2.0
Units
V
µA
V
V
V
Ω
kV
kV
pF
pF
Capacitance vs. Reverse Bias
2.50
I/O - GND
2.00
I/O - I/O
1.50
1.00
0.50
0.00
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
DC Bias (V)
Pulse Waveform
110%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Time (μs)
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/17
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