SM712

DATASHEET SEARCH SITE | WWW.ALLDATASHEET.COM

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 4

Technical content

Asymmetrical TVS Diode for Extended Common-Mode RS-485 SOT-23 Pin Configuration

FEATURES

APPLICATIONS

• 400 watts peak pulse power (t p = 8/20µs)
• Transient protection for asymmetrical data lines to IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact) IEC 61000-4-4 (EFT) 40A (5/50ns) IEC 61000-4-5 (Lightning) 12A (8/20µs)
• Protects two +12V to -7V lines
• Low capacitance
• Low clamping voltage
• Solid-state silicon avalanche technology
• Protection of RS-485 transceivers with extended common-mode range
• Security systems
• Automatic Teller Machines
• HFC systems
• Networks (Tamb=25°C unless otherwise specified) Absolute Maximum Rating Rating Symbol Value Units Peak Pulse Power (tp = 8/20μs) Ppk 400 Watts Peak Pulse Current (tp = 8/20μs) IPP 17 A ESD per IEC 61000-4-2 (Air) ESD per IEC 61000-4-2 (Contact) VESD 15 8 kV Lead Soldering Temperature TL 260 (10 sec.) ℃ Operating Temperature TJ -55 to +125 ℃ Storage Temperature TSTG -55 to +150 ℃

Asymmetrical TVS Diode for Extended Common-Mode RS-485 dna3ot1sniP 3ot2 )SVTV21( dna1ot3sniP 2ot3 )SVTV7( retemara lP obmy sS noitidnoC NIM PYT XAM NIM PYT XAM stinU egatloVffO-dnatSesreve VR MWR 1ot2niPro1ot3ni 2P 1 7 V egatloVnwodkaerBesreve VR RB I TP Am1= 3.3 51 . V7 tnerruCegakaeLesreve IR R V =R V MWR 1 02 µA egatloVgnipmal VC C I PP ,A5= sµ02/8=pt 02 01 V egatloVgnipmal VC C I PP ,A71= sµ02/8=pt 62 21 V ecnaticapaCnoitcnu CJ j VR zHM1=f,V0 5= 7 57 Fp VR V= MWR zHM1=f 5, 4 54 Fp

• Electrical Characteristics(Tamb=25 )°C
• Electrical Characteristics Curve td 600W, 8/20µs Waveform 0.1 1 10 100 1,000 10,000 PPP 100 1,000 10,000 Peak Pulse Power VS Pulse Time

Asymmetrical TVS Diode for Extended Common-Mode RS-485

• Electrical Characteristics Curve Power Derating Curve 100 110 0 5 10 15 20 25 30 Tim e (µs) Percent of IPP e-t td = IPP/2 W aveform Parameters: tr = 8µs td = 20µ s Capacitance vs. Reverse Voltage 100 110 0 25 50 75 100 125 150 175 Ambient Temperature - TA (oC) % of Rated Power or IPP 0 2 4 6 8 10 12 14 16 Peak Pulse Current - IPP (A) Clamping Voltage - VC (V) Pin 1 to 3 and 2 to 3 Pin 3 to 1 and 3 to Waveform Parameters: tr = 8µs td = 20µs 01234 5 6 789 10 11 12 13 Reverse Voltage - VR (V) Capacitance - Cj (pF) f = 1MHz Pulse Waveform Clamping Voltage vs. Peak Pulse Current

Asymmetrical TVS Diode for Extended Common-Mode RS-485 e E θ L Dimensions In Millimeters Symbol Min Typ Max A 1.00 1.40 A1 0.10 b 0.35 0.50 c 0.10 0.20 D 2.70 2.90 3.10 E 1.40 1.60 E1 2.40 2.80 e 1.90 L 0.10 0.30 L1 0.40 θ 0° 10° SOT-23 PACKAGE OUTLINE DIMENTION