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| ESDAxx Series Dual transil array for ESD protection P b Lead(Pb)-Free Description: * The ESDAxx is a dual monolithic voltage suppressor designed to protect components which are connected to data and transmission lines against ESD. It clamps the voltage just above the logic level supply for positive transients, and to a diode drop below ground for negative transients. It can also work as bidirectionnal suppressor by connecting only pin1 and 2. ELECTROSTATIC DISCHARGE 300 WATTS 5.3/6.1/14.2/25 VOLTS 3 1 2 Features: * 2 Unidirectional Transil functions * Low leakage current: IR max< 20 A at VBR * 300W peak pulse power(8/20 s) * High ESD protection level: up to 25 kV * Complies with the following standards: IEC61000-4-2 Level 4 MIL STD 883c - Method 3015-6 Class 3(Human Body Model) SOT-23 Eqivalent Circuit Diagram: Application: * Computers * Printers * Communication systems * It is particulary recommended for the RS232 I/O port protection where the line interface withstands only with 2kV ESD surges. Bidirectional Configuration Mechanical Data: * Case : Molded Epoxy * Marking : Marking Code * Weight : 0.008 grams(approx) SOT-23 Outline Dimensions A Unit:mm TOP VIEW B C E G H D K L J M 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 http://www.weitron.com.tw WEITRON 1/3 26-Apr-07 ESDAxx Series Maximum Ratings(TA=25C Unless Otherwise Noted) Characteristic Symbol Value Unit Peak Pulse Power Dissipation (t P= 8/20 s) Lead Soldering Temperature Junction Temperature Range Operating Temperature Range Storage Temperature Range Electrostatic discharge MILSTD 833C-Method 3015-6 IEC61000-4-2 Air discharge IEC61000-4-2 ContactAir discharge PPP TL TJ Top Tstg VPP 300 260(10s) 150 -40 to +125 -55 to +150 25 16 9 W C C C C kv Electrical Characteristics Part Numbers ESDA5V3 ESDA6V1 ESDA14V2 ESDA25 VBR Min. V 5.3 6.1 14.2 25 Max. V 5.9 7.2 15.8 30 IR mA 1 1 1 1 VRM V 3 5.25 12 24 IRM A 2 20 5 1 VF Max. V 1.25 1.25 1.25 1.2 IF mA 200 200 200 10 Rd Typ(1) m 280 350 650 1000 T Max(2) 10-4/C 5 6 10 10 C Typ. 0v bias pF 220 140 90 50 1. Square pulse IPP=15A, tp=2.5s. 2. VBR=aT*(Tamb-25C) * VBR(25C). Electrical Parameter Symbol VRM VBR VCL IRM IPP T VF C Rd Parameter Stand-off voltage Breakdown voltage Clamping voltage Leakage current Peak pulse current Voltage temperature coefficient Forward voltage drop Capacitance Dynamic resistance http://www.weitron.com.tw WEITRON 2/3 26-Apr-07 ESDAxx Series Typical Characteristics 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 PPP(Tj initial)/PPP(Tj initial=25C) 3000 1000 Ppp(W) 0 25 50 75 100 125 150 100 0 0 10 100 Tj initial(C) tp(s) Fig.1 Peak power dissipation vs Initial junction temperature Fig.2 Peak pulse power vs exponential pulse duration(Tj =25C) 50.0 ESDA5V3 ESDA6V1 200 ESDA14V2 ESDA25 ESDA5V3 F=1MHz Vosc=30mV ESDA6V1 10.0 100 IPP(A) C(pF) 50 ESDA14V2 1.0 tp=2.5s 20 0 ESDA25 0.1 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 1 2 5 10 20 50 Vcl(V) VR(V) Fig.3 Clamping voltage vs peak pulse current (Tj =25C, rectangular waveform, tp=2.5s) Fig.4 Capacitance vs Reverse applied voltage 200 5.0 Tj=25C ESDA6V1~ESDA14V2 ESDA25 IR(Tj) / IR(Tj=25C) 100 1.0 ESDA5V3 ESDA6V1 ESDA14V2 10 IFM(A) ESDA25 0.1 ESDA5V3 1 25 50 75 100 125 0.01 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Fig.5 Relative varation of leakage current vs Versus junction temperature Tj(C) Fig.6 Peak forward voltage drop vs peak forward current VFM(V) WEITRON http://www.weitron.com.tw 3/3 26-Apr-07 |
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