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Littelfuse

SM24 Datasheet Preview

SM24 Datasheet

TVS Diode Arrays

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TVS Diode Arrays (SPA® Diodes)
General Purpose ESD Protection - SM05 through SM36
SM Series 400W TVS Diode Array
RoHS Pb GREEN
Description
The SM series TVS Diode Array is designed to protect
sensitive equipment from damage due to electrostatic
discharge (ESD), electrical fast transients (EFT), and
lightning induced surges.
The SM series can absorb repetitive ESD strikes above the
maximum level specified in the IEC 61000-4-2 international
standard without performance degradation and safely
dissipate up to 24A of 8/20us induced surge current (IEC-
61000-4-5, 2nd Edition) with very low clamping voltages.
Pinout and Functional Block Diagram
(AEC-Q101 qualified)
1
3
2
Life Support Note:
Not Intended for Use in Life Support or Life Saving Applications
The products shown herein are not designed for use in life sustaining or life saving
applications unless otherwise expressly indicated.
Additional Information
Datasheet
Resources
Samples
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/04/17
Features
• RoHS compliant and
lead-free
• ESD, IEC 61000-4-2,
±30kV contact, ±30kV air
• EFT, IEC 61000-4-4, 50A
(5/50ns)
• Lightning, IEC 61000-
4-5, 2nd Edition, 24A
(tP=8/20μs, SM05)
• Working voltages: 5V,
12V, 15V, 24V and 36V
• Low clamping voltage
• Low leakage current
• AEC-Q101 qualified
(SOT23-3 package)
Applications
• Industrial Equipment
• Test and Medical
Equipment
• Point-of-Sale Terminals
• Motor Controls
• Legacy Ports
(RS-232, RS-485)
• Security and Alarm
System
• Automotive Electronics
RS-232 Application Example
RS-232 Port
RD
TD
RTS
CTS
DSR
DTR
Transceiver
IC
Case GND
SM15 (x6)
(bidirecƟonal implementaƟon)
5




Littelfuse

SM24 Datasheet Preview

SM24 Datasheet

TVS Diode Arrays

No Preview Available !

TVS Diode Arrays (SPA®Diodes)
General Purpose ESD Protection - SM05 through SM36
Absolute Maximum Ratings
Symbol
PPk
TOP
TSTOR
Parameter
Peak Pulse Power (tp=8/20μs)
Operating Temperature
Storage Temperature
Value
400
-40 to 125
-55 to 150
Units
W
°C
°C
Notes:
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
-55 to 150
150
260
Units
°C
°C
°C
SM05 Electrical Characteristics (TOP=25ºC)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Reverse Standoff Voltage
Reverse Voltage Drop
Leakage Current
Clamp Voltage1
VRWM
VR
ILEAK
VC
IR≤1μA
IR=1mA
VR=5V
IPP=1A, tp=8/20µs, Pin 1 or Pin 2 to Pin 3
IPP=10A, tp=8/20µs, Pin 1 or Pin 2 to Pin 3
6.0
5.0 V
V
1.0 μA
9.8 V
13.0 V
Dynamic Resistance2
RDYN
TLP, tp=100ns, I/O to GND
0.19 Ω
Peak Pulse Current
(8/20µs)1
Ipp
tp=8/20µs
24.0 A
ESD Withstand Voltage1
VESD
IEC 61000-4-2 (Contact Discharge)
IEC 61000-4-2 (Air Discharge)
±30
±30
kV
kV
Diode Capacitance1
CI/O-GND
CI/O-I/O
Reverse Bias=0V, f=1MHz
Reverse Bias=0V, f=1MHz
400 pF
350 pF
SM12 Electrical Characteristics (TOP=25ºC)
Parameter
Reverse Standoff Voltage
Reverse Voltage Drop
Leakage Current
Clamp Voltage1
Dynamic Resistance2
Peak Pulse Current
(8/20µs)1
ESD Withstand Voltage1
Diode Capacitance1
Symbol
VRWM
VR
ILEAK
VC
RDYN
Ipp
VESD
CI/O-GND
CI/O-I/O
Test Conditions
IR≤1μA
IR=1mA
VR=12V
IPP=1A, tp=8/20µs, Pin 1 or Pin 2 to Pin 3
IPP=10A, tp=8/20µs, Pin 1 or Pin 2 to Pin 3
TLP, tp=100ns, I/O to GND
tp=8/20µs
IEC 61000-4-2 (Contact Discharge)
IEC 61000-4-2 (Air Discharge)
Reverse Bias=0V, f=1MHz
Reverse Bias=0V, f=1MHz
6
Min
13.3
±30
±30
Typ
Max
Units
12.0 V
V
1.0 μA
18.5 V
22.5 V
0.25 Ω
17.0 A
kV
kV
150 pF
120 pF
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/04/17


Part Number SM24
Description TVS Diode Arrays
Maker Littelfuse
Total Page 6 Pages
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