Technical Data
Data Sheet N2270, REV.A
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
SM712 TVS Diode
Schematic and Pin Configuration
Mechanical Characteristics
Transient protection for high speed data lines
IEC 61000-4-2(ESD)±15KV(air),±8KV(contact)
IEC 61000-4-4(EFT) 40A (5/50ns)
IEC 61000-4-5(Lightning) 12A (8/20us)
Protects two +12V to -7V lines
Low capacitance
Low clamping voltage
Solid-state silicon avalanche technology
“-A” is an AEC-Q101 qualified device
The SM712 transient voltage suppressor (TVS) diode is
designed for asymmetrical (12V to -7V ) protection in
multi-point data transmission standard RS-485 applications.
The SM712 may be used to protect devices
from transient voltages resulting from electrostatic
discharge (ESD), electrical fast transients (EFT), and
lightning.
The SM712 replaces four discrete components by
integrating two 12V and two 7V TVS diodes in a single
package. The integrated design aids in reducing
voltage over-shoot associated with trace inductance.
The low clamping voltage of the SM712 minimizes the
stress on the protected transceiver. The SOT23
package allows flexibility in the design of “crowded”
circuit boards.
Protection of RS-485 transceivers with
extended
common-mode range
Security systems
Automatic Teller Machines
HFC systems
SOT-23 package
Marking: 712
Molding compound flammability rating: UL 94V-0