SR3.3

SR3.3 Low Capacitance TVS Diode Array Features ● 50 Watts Peak Pulse Power per Line (tp=8/20µs) ● Protects Two I/O Lines ● Low Clamping Voltage ● Working Voltages : 3.3V ● Low Leakage Current ● IEC61000-4-2 (ESD) ±25kV (air), ±15kV (contact) ● IEC61000-4-4 (EFT) 40A (5/50ηs) ● IEC61000-4-5 (Lightning) 4A (8/20µs) Dimensions SOT-143 Applications Pin Configuration ● USB Power & Data Line Protection ● Ethernet 10BaseT ● I2C Bus Protection ● Video Line Protection ● T1/E1 secondary IC Side Protection ● Microcontroller Input Protection ● ISDN S/T Interface ● WAN/LAN Equipment Mechanical Characteristics ● SOT-143 Package ● Molding Compound Flammability Rating : UL 94V-O ● Weight 10 Millgrams (Approximate) ● Quantity Per Reel : 3,000pcs ● Reel Size : 7 inch ● Lead Finish : Lead Free Absolute Maximum Ratings(Tamb=25°C unless otherwise specified) Parameter Peak Pulse Power (8/20µs) ESD per IEC 61000−4−2 (Air) Symbol Value Ppp 50 VESD ± 25 Unit W Kv ± 15 ESD per IEC 61000−4−2 (Contact) Operating Temperature Range TJ -55 to +125 ℃ Storage Temperature Range TSTJ -55 to +150 ℃ Rev : 01.06.2017 1/5 www.leiditech.com SR3.3 Electrical Characteristics(TA=25°C unless otherwise specified) Vc Part Number SR3.3 Rev : 01.06.2017 Device Marking SLA VRWM (V) VBR (V) IT (mA) 3.3 4 1 VC @1A 6.8 2/5 (Max) 12.5 (@A) IR μA (Max) C (Pf) (Typ.) 4 0.1 0.8 www.leiditech.com SR3.3 TYPIC CHARACTERISTICS Figure 2. Power Derating Curve Figure 1. 8 x 20μs Waveform Figure 3. Clamping Voltage vs. Peak Pulse Current (tp=8/20us) Rev : 01.06.2017 3/5 www.leiditech.com SR3.3 TYPIC CHARACTERISTICS Figure 4. Typic Capacitance vs. Reverse Voltage Rev : 01.06.2017 4/5 www.leiditech.com SR3.3 SOT-143 PACKAGE OUTLINE & DIMENSIONS * SOLDERING FOOTPRINT Shanghai Leiditech Electronic Co.,Ltd Email: sale1@leiditech.com Tel : +86- 021 50828806 Fax : +86- 021 50477059 Rev : 01.06.2017 5/5 www.leiditech.com