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PDF SM712-02HTG Data sheet ( Hoja de datos )
| Número de pieza | SM712-02HTG | |
| Descripción | 600W Asymmetrical TVS Diode Array | |
| Fabricantes | Littelfuse | |
| Logotipo |  |
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TVS Diode Arrays (SPA® DDiiooddeess))
General Purpose ESD Protection - SM712
SM712 Series 600W Asymmetrical TVS Diode Array
RoHS Pb GREEN
Description
The SM712 TVS Diode Array is designed to protect RS-485
applications with asymmetrical working voltages (-7V to
12V) from damage due to electrostatic discharge (ESD),
electrical fast transients (EFT), and lightning induced surges.
The SM712 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 19A of 8/20us induced surge current (IEC-
61000-4-5) with very low clamping voltages.
Pinout and Functional Block Diagram
21
12V 12V
7V 7V
3
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.
Features
• ESD, IEC61000-4-2,
±30kV contact, ±30kV air
• EFT, IEC61000-4-4, 50A
(5/50ns)
• Lightning, IEC61000-4-5,
19A (tP=8/20μs)
• Working Voltages: -7V to
12V
• Low clamping voltage
• Low leakage current
• AEC-Q101 Qualified
Applications
• RS-485
• Fieldbus
• Modbus
• Profibus
• DMX512
• Security Systems
• Automated Teller Machines
(ATMs)
• Automation Equipments
• Communication
Equipments
RS-485 Application Example
RS-485 Port
Receiver
A
B
IC
SM712
GND
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/09/14
1 page  
TVS Diode Arrays (SPA® DDiiooddeess))
General Purpose ESD Protection - SM712
Embossed Carrier Tape & Reel Specification — SOT23-3
ACCESS HOLE
14.4mm
8mm TAPE AND REEL
GENERAL INFORMATION
1. 3000 PIECES PER REEL.
2. ORDER IN MULTIPLES OF FULL REELS ONLY.
3. MEETS EIA-481 REVISION "A" SPECIFICATIONS.
SOT23-3 (8mm POCKET PITCH)
180mm
13mm
60mm
8.4mm
USER DIRECTION OF FEED
PIN 1
Symbol
E
F
P2
D
P0
W
P
A0
B0
K0
t
Millimetres
Min Max
1.65 1.85
3.40 3.60
1.90 2.10
1.40 1.60
3.90 4.10
7.70 8.30
3.90 4.10
3.05 3.25
2.67 2.87
1.12 1.32
0.22 0.24
Inches
Min Max
0.065
0.073
0.134
0.142
0.075
0.083
0.055
0.063
0.154
0.161
0.303
0.327
0.154
0.161
0.120
0.128
0.105
0.113
0.044
0.052
0.009
0.009
COVER TAPE
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/09/14
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet SM712-02HTG.PDF ] | |
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