Littelfuse SM Series User Manual

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TVS Diode Arrays (SPA
®
Diodes)
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/13
5
SM Series
General Purpose ESD Protection - SM05 through SM36
Description
Applications
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 IEC61000-4-2 international
standard without performance degradation and safely
dissipate up to 24A of 8/20us induced surge current (IEC-
61000-4-5) with very low clamping voltages.
Features
• ESD, IEC61000-4-2,
±30kV contact, ±30kV air
• EFT, IEC61000-4-4, 50A
(5/50ns)
• Lightning, IEC61000-4-5,
24A (t
P
=8/20μs, SM05)
Working voltages: 5V,
12V, 15V, 24V and 36V
• Low clamping voltage
• Low leakage current
• AEC-Q101 qualied
(SOT23-3 package)
• Industrial Equipment
Test and Medical
Equipment
• Point-of-Sale Terminals
• Motor Controls
• Legacy Ports
(RS-232, RS-485)
• Security and Alarm
Systems
Pinout and Functional Block Diagram
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.
RoHS
Pb
GREEN
SM Series 400W TVS Diode Array
1
2
3
RS-232 Application Example
IC
RD
TD
RTS
CTS
DSR
DTR
RS-232 Port
Transceiver
SM15 (x6)
(bidireconal implementaon)
Case GND
(AEC-Q101 qualied)
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Summary of Contents

Page 1 - TVS Diode Arrays (SPA

TVS Diode Arrays (SPA® Diodes)© 2013 Littelfuse, Inc.Specifications are subject to change without notice. Revised: 12/05/135SM SeriesGeneral Purpose ES

Page 2

TVS Diode Arrays (SPA ® Diodes)© 2013 Littelfuse, Inc.Specifications are subject to change without notice. Revised: 12/05/136General Purpose ESD Protec

Page 3

TVS Diode Arrays (SPA® Diodes)© 2013 Littelfuse, Inc.Specifications are subject to change without notice. Revised: 12/05/137SM SeriesGeneral Purpose ES

Page 4

TVS Diode Arrays (SPA ® Diodes)© 2013 Littelfuse, Inc.Specifications are subject to change without notice. Revised: 12/05/138General Purpose ESD Protec

Page 5

TVS Diode Arrays (SPA® Diodes)© 2013 Littelfuse, Inc.Specifications are subject to change without notice. Revised: 12/05/139SM SeriesGeneral Purpose ES

Page 6

TVS Diode Arrays (SPA ® Diodes)© 2013 Littelfuse, Inc.Specifications are subject to change without notice. Revised: 12/05/1310General Purpose ESD Prote

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