PL IA NT Features S CO M ■ *R oH ■ ■ ■ ■ Applications Lead free as standard RoHS compliant* Protects 2 I/O ports ESD protection > 40 KV Low capacitance: 15 pF ■ ■ ■ ■ Ethernet – 10/100 Base T Computer I/O ports – SCSI, FireWire & USB Set-top box protection Video cards CDNBS08-USBxB Series - Steering Diode/TVS Array Combo General Information The markets of portable communications, computing and video equipment are challenging the semiconductor industry to develop increasingly smaller electronic components. 8 7 6 5 1 2 3 4 Bourns offers Steering Diode/Transient Voltage Suppressor Array combination diodes for surge and ESD protection applications in an 8 lead narrow body SOIC package size format. Bourns® Chip Diodes conform to JEDEC standards, are easy to handle on standard pick and place equipment and their flat configuration minimizes roll away. The Bourns® device will meet IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC 61000-4-5 (Surge) requirements. Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted) Parameter Symbol CDNBS08USB3B USB6B Unit Breakdown Voltage @ 1 mA VBR 4.0 6.0 V Working Peak Voltage VWM 3.3 5.25 V Maximum Clamping Voltage VC @ IP1 VF 6.0 7.0 V Maximum Clamping Voltage @ 8/20 µs VC @ IPP1 VF 12.9 V @ 37 A 13.2 V @ 35 A V Maximum Leakage Current @ VWM ID 125 10 µA Maximum Cap Bidirectional @ 0 V, 1 MHz Peak Pulse Power (tp = 8/20 µs) 2 C j(SD) 15 pF PPP 500 W Notes: 1. See Pulse Wave Form. 2. See Peak Pulse Power vs. Pulse Time. 3. Electrical specifications refer to Pins 1 to 4 or Pin 5 to Pin 8. Thermal Characteristics (@ TA = 25 °C Unless Otherwise Noted) Parameter Operating Temperature Storage Temperature *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. Symbol Max. Unit TJ -55 to +150 °C TSTG -55 to +150 °C CDNBS08-USBxB Series - Steering Diode/TVS Array Combo Product Dimensions Recommended Footprint This is a molded JEDEC narrow body SO-8 package with lead free 100 % Sn plating on the lead frame. It weighs approximately 15 mg and has a flammability rating of UL 94V-0. A B A D F B C H C G E Dimensions DIMENSIONS = MILLIMETERS (INCHES) D A 1.143 - 1.397 (0.045 - 0.055) B 0.635 - 0.889 (0.025 - 0.035) E 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 - USB 3 B Common Code Chip Diode Package • NBS08 = Narrow Body SOIC8 Package Model USB = Specific USB Port Device Minimum Breakdown Voltage 3 = 3.0 VBR (Volts) Configuration B = 2 Steering Diodes + 1 TVS Diode Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CDNBS08-USBxB Series - Steering Diode/TVS Array Combo Performance Graphs Peak Pulse Power vs Pulse Time Pulse Wave Form 120 IPP – Peak Pulse Current (% of IPP) PPP – Peak Pulse Power (W) 10,000 500 W, 8/20 µs Waveform 1,000 100 Test Waveform Parameters tt = 8 µs td = 20 µs tt 100 80 et 60 40 td = t|IPP/2 20 0 10 0.01 1 10 100 1,000 0 10,000 10 5 15 20 25 30 t – Time (µs) td – Pulse Duration (µs) Block Diagram Power Derating Curve 7 6 100 5 % of Rated Power 8 Peak Pulse Power 8/20 µs 80 60 40 20 1 2 3 Average Power 4 0 0 25 50 75 100 125 150 TL – Lead Temperature (°C) Device Pinout Typical Part Marking Pin Function CDNBS08-USB3B ......................................................................PRQ 1 VCC CDNBS08-USB6B ......................................................................PRR 2 I/O 1 3 I/O 2 4 GND 5 VCC 6 I/O 1 7 I/O 2 8 GND Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CDNBS08-USBxB Series - Steering Diode/TVS Array Combo Packaging The surface mount product is packaged in a 12 mm x 8 mm Tape and Reel format per EIA-481 standard. TOP SIDE VIEW (INTO COMPONENT POCKET) DIMENSIONS = MILLIMETERS (INCHES) 4.0 ± 0.1 (.16 ± .004) 0.3 ± 0.05 (.01 ± .002) 1.5 ± 0.1/-0 (.06 ± .004/-0) DIA. 2.0 ± 0.05 (.08 ± .002) R 1.75 ± 0.1 (.07 ± .004) 0.3 MAX. (0.01) 2.1 ± 0.1 (.083 ± .004) 12.0 ± 0.3 (.47 ± .01) 6.4 ± 0.1 (.252 ± .004) 5.5 ± 0.3 (.22 ± .01) 9.0 ± 0.1 (.354 ± .004) 8.0 ± 0.3 (.31 ± .01) ORIENTATION OF COMPONENT IN POCKET R 0.25 TYP. (0.010) BACKSIDE FACING UP Reliable Electronic Solutions Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. COPYRIGHT© 2005, BOURNS, INC. LITHO IN U.S.A., IPA0524 10/05