SM712

Features: 400 watts peak pulse power (tp = 8/20µs) Transient protection for asymmetrical data lines toEC 61000-4-2 (ESD) 15kV (air), 8kV (contact)IEC 61000-4-4 (EFT) 40A (t5/50ns)IEC 61000-4-5 (Lightning) 12A (8/20µs) Protects two +12V to -7V lines Low capacitance Low clamping voltage...

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SeekIC No. : 004493999 Detail

SM712: Features: 400 watts peak pulse power (tp = 8/20µs) Transient protection for asymmetrical data lines toEC 61000-4-2 (ESD) 15kV (air), 8kV (contact)IEC 61000-4-4 (EFT) 40A (t5/50ns)IEC 61000-4-...

floor Price/Ceiling Price

Part Number:
SM712
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/27

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Product Details

Description



Features:

400 watts peak pulse power (tp = 8/20µs)
Transient protection for asymmetrical data lines toEC 61000-4-2 (ESD) 15kV (air), 8kV (contact)IEC 61000-4-4 (EFT) 40A (t5/50ns)IEC 61000-4-5 (Lightning) 12A (8/20µs)
Protects two +12V to -7V lines
Low capacitance
Low clamping voltage
Solid-state silicon avalanche technology




Application

Protection of RS-485 transceivers with extendedcommon-mode range
Security systems
Automatic Teller Machines
HFC systems
Networks



Specifications

Rating

Symbol

Value

Units

Peak Pulse Power(tp=8/20 ps)

PPK

400

Watts

Peak Pulse Current(tp=8/20 ps)

IPP

17

A

Lead Soldering Temperature

TL

260(10sec.)

Operatung Temperature

TJ

-55to+125

Storage Temperature

TSTG

-55to+150




Description

The SM712 transient voltage suppressor (TVS) diode isdesigned for asymmetrical (12V to -7V ) protection inmulti-point data transmission standard RS-485 applica-tions.  The SM712 may be used to protect devicesfrom transient voltages resulting from electrostaticdischarge  (ESD), electrical fast transients (EFT), andlightning.

The SM712 features 400 Watts (tp = 8/20µs) ofpower handling capability to accommodate the highertransient voltage levels which may be expected inextended common mode applications.  This provideshigher equipment reliability and eliminates the "guesswork" required when using zener diodes that are notrated to handle such transient conditions.

The SM712 replaces four discrete components byintegrating two 12V and two 7V TVS diodes in a singlepackage.  The integrated design aids in reducingvoltage over-shoot associated with trace inductance.

The low clamping voltage of the SM712 minimizes thestress on the protected transceiver.  The SOT23package allows flexibility in the design of "crowded"ircuit boards.




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