WOST04C thru WOST15C Surface Mount TVS Diode Array for ESD Protection TRANSIENT VOLTAGE SUPPRESSORS 300 WATTS 4-15 VOLTS P b Lead(Pb)-Free Features: * Transient Protection for data lines as per IEC 61000-4-2(ESD)15KV(air), 8KV(contact) * 300 Watts Peak Power Protection. (tp=8/20µS) * Protects Two Unidirectional Lines with pin3 used as a common anode Connection or One Bidirectional Line between pin1 & pin2 * Low Leakage Current * Excellent Clamping Capability 3 1 2 SOT-23 Mechanical Data: * Case : Molded Epoxy * Marking : Marking Code * Weight : 0.008 grams(approx) SOT-23 Outline Dimensions Unit:mm A B TOP VIEW E G C D H K J WEITRON http://www.weitron.com.tw L M 1/3 Dim A B C D E G H J K L M Min 0.35 1.19 2.10 0.85 0.46 1.70 2.70 0.01 0.89 0.30 0.076 Max 0.51 1.40 3.00 1.05 1.00 2.10 3.10 0.13 1.10 0.61 0.25 Rev.E 18-Sep-09 WOST04C thru WOST15C Maximum Ratings(TA=25˚C Unless Otherwise Noted) Symbol Votle Unit Peak Pulse Power Dissipation (tP PPK 300 W Thermal Resistance, Junction to Ambient RθJA 556 °C/W Lead Soldering Temperature TL 260(10s) °C Operating Temperature Range TJ -55 to +125 °C Storage Temperature Range Tstg -55 to +150 °C Characteristic Electrical Characteristics Maximum Minimum Maximum Maximum Leakage Breakdown Clamping Pulse Peak Current Voltage Voltage Current @ V RM 1mA VRM IRM VBR V µA V V WOST04C 4.0 20.0 5.0 WOST05C 5.0 20.0 WOST08C 8.0 WOST12C WOST15C Part Numbers Rated Stand-off Voltage 1A1 5A1 Maximum Capacitance tp=8/20us 0v, 1MHz IPPM C V A pF 8.5 10.5 17 300 6.0 9.8 12.5 17 220 5.0 8.5 13.4 15.0 15 190 12.0 1.0 13.3 19.0 28.0 12 90 15.0 1.0 16.7 24 39.0 10 60 VCL 1. 8/20 waveform used. (see fig2.) Eqivalent Circuit Diagram: Bidirectional Configuration WEITRON http://www.weitron.com.tw 2/3 Rev.E 18-Sep-09 WOST04C thru WOST15C Electrical Parameter Symbol Parameter VRM Stand-off voltage VBR Breakdown voltage VCL Clamping voltage IRM Leakage current IPPM Peak pulse current Typical Characteristics Fig1. Peak Pulse Power VS Pulse Time Fig2. Pulse Waveform WEITRON http://www.weitron.com.tw Fig3.Power Derating 3/3 Rev.E 18-Sep-09