PL IA NT Features CO M ■ *R oH S ■ ■ ■ Applications RoHS compliant* ESD protection >40k V Protects 6 lines Low capacitance - 3 pF ■ ■ ■ ■ Ethernet ports Portable electronics Wireless LANs xDSL equipment CDNBS08-SR721 – Steering Diode Arrays General Information The CDNBS08-SR721 device provides ESD, EFT and Surge protection for external ports meeting IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC 61000-4-5 (Surge) requirements. +Vcc I/O 6 I/O 5 I/O 4 8 7 6 5 The Steering Diode array provides up to 6 lines of protection using the “rail to rail” clamping technique with low leakage current and low capacitance per line. The device is available in a JEDEC SO-8 package and is intended to be mounted directly onto an FR4 printed circuit board. 1 2 E T E L O S B O I/O 1 I/O 2 3 4 I/O 3 -VEE Absolute Maximum Ratings (@ TA = 25 °C Unless Otherwise Noted) Parameter Power Dissipation - Continuous Storage Temperature Operating Temperature Symbol Value Unit PPD 145 mW TSTG -55 to +150 ˚C TOPR -55 to +150 ˚C Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted) Parameter Symbol Value Unit VF 2 V VRRM 50 V Maximum Peak Pulse Current @ 8/20 µs IFM 12 A Maximum Leakage Current @ 20 V IR 20 nA IQ 200 nA CJ 3 pF ESD Protection: Per IEC 61000-4-2 Standard Minimum Contact Discharge Minimum Air Discharge ±8 ±15 kV kV EFT Protection: Per IEC61000-4-4 @ 5/50 ns 40 A Surge Protection per IEC 61000-4-5 @ 8/20 µs Level 1 (Line-Gnd) Level 2 (Line-Line) 12 12 A A Typical Forward Voltage @ 8/20 µs 1 A Repetitive Peak Reverse Voltage (Note 1) Maximum Quiescent Supply Current @ 20 V Typical Junction Capacitance @ 0 V 1 MHz (Note 2) Notes: 1. VRRM is +VCC for Pin 8 and –VEE for Pin 4. 2. Measure capacitance CJ between any I/O pins to ground and divide by 2. *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CDNBS08-SR721 – Steering Diode Arrays Product Dimensions Recommended Footprint This is a molded JEDEC SO-8 package with lead free 100 % Sn plating on the terminations. It weighs approximately 70 mg and has a flammability rating of UL 94V-0. A B A D F B C H C E T E L O S B O G E Dimensions DIMENSIONS = MILLIMETERS (INCHES) D E A 1.143 - 1.397 (0.045 - 0.055) B 0.635 - 0.889 (0.025 - 0.035) 6.223 Min. (0.245) C Dimensions A 4.80 - 5.00 (0.189 - 0.196) B 3.80 - 4.00 (0.150 - 0.157) C 5.80 - 6.20 (0.229 - 0.244) D 1.35 - 1.75 (0.054 - 0.068) E 0.10 - 0.25 (0.004 - 0.008) F 0.25 - 0.50 (0.010 - 0.019) G 0.40 - 1.250 (0.016 - 0.049) H 0.18 - 0.25 (0.007 - 0.009) D 3.937 - 4.191 (0.155 - 0.165) E 1.016 - 1.27 (0.040 - 0.050) How To Order CD NBS08 - SR 721 Common Code CD = Chip Diode Package • NBS08 = Narrow Body SOIC8 Package Model SR = Steering Diode Code 721 = Special Code Typical Part Marking CDNBS08-SR721..........................................................................721 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CDNBS08-SR721 – Steering Diode Arrays Performance Graphs Peak Pulse Power vs Pulse Time Pulse Waveform 120 TA = 25 °C SINGLE PULSE See Figure 2 160 Forward Current - mA IPP – Peak Pulse Current (% of IPP) 200 120 80 40 0 600 800 80 et 60 40 td = t|IPP/2 E T E L O S B O 1,100 20 0 0 1,200 5 CDNBS08-T05L ESD Pulse Response 15 20 25 30 Power Derating Curve 3 2 1 Peak Pulse Current - Amps 8 TA = 25 °C SINGLE PULSE See Figure 2 4 Forward Current - A 10 t – Time (µs) Forward Voltage Drop - mV 5 Test Waveform Parameters tt = 8 µs td = 20 µs tt 100 0 0 1 2 Forward Voltage Drop - V Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 3 6 4 2 0 0.001 0.01 0.1 1 Square Wave Pulse - ms 10 100 CDNBS08-SR721 – Steering Diode Arrays Packaging Specifications The product will be dispensed in Tape and Reel format (see diagram below). P 0 P 1 d T E Index Hole 120 ° F D2 W B D1 D P Trailer A E T E L O S B O C Device Leader ....... ....... ....... ....... ....... ....... ....... ....... End DIMENSIONS: 10 pitches (min.) 10 pitches (min.) Direction of Feed Item Carrier Width Carrier Length Carrier Depth Sprocket Hole Symbol A B C d Reel Outside Diameter D Reel Inner Diameter D1 Feed Hole Diameter D2 Sprocket Hole Position E Punch Hole Position F Punch Hole Pitch P Sprocket Hole Pitch P0 Embossment Center P1 Overall Tape Thickness T Tape Width W Reel Width W1 Quantity per Reel - NSOIC 8L 6.7 ± 0.10 (0.264 ± 0.004) 5.5 ± 0.10 0.217 ± 0.004 2.10 ± 0.10 0.083 ± 0.004 1.55 ± 0.05 (0.061 ± 0.002) 330 (12.992) 80.0 (3.1500) MIN. 13.0 ± 0.20 (0.512 ± 0.008) 1.75 ± 0.10 (0.069 ± 0.004) 3.50 ± 0.05 (0.138 ± 0.002) 8.00 ± 0.10 (0.315 ± 0.004) 4.00 ± 0.10 (0.157 ± 0.004) 2.00 ± 0.05 (0.079 ± 0.002) 0.20 ± 0.10 (0.008 ± 0.004) 12.00 ± 0.20 (0.472 ± 0.008) 18.4 (0.724) MAX. 2500 REV. 09/09 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. W1 Start MM (INCHES) Devices are packed in accordance with EIA standard RS-481-A. 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