PL IA NT Features *R oH S CO M A PR Applications Lead free as standard RoHS compliant* Protects up to 4 I/O ports Unidirectional configuration ESD protection 30 kV max. Low capacitance: 15 pF Ethernet -- 10/100 Base T Computer I/O ports -- SCSI, FireWire & USB Set-top box protection Video cards CDNBS08-SRDAxx-4 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(R) 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 CDNBS08SRDA3.3-4 SRDA05-4 SRDA12-4 SRDA15-4 Unit Minimum Breakdown Voltage @ 1 mA VBR 4.0 6.0 13.3 16.7 V Working Peak Voltage VWM 3.3 5.0 12.0 15.0 V Maximum Clamping Voltage VC @ IP VF 8.0 9.8 19.0 24.0 V Maximum Clamping Voltage @ 8/20 s VC @ IPP1 VF 10.9 V @ 43 A 13.5 V @ 42 A 25.9 V @ 27 A 30.0 V @ 17 A V Maximum Leakage Current @ VWM ID 125 20 1 1 A 1 Maximum Cap Bidirectional @ 0 V, 1 MHz C j(SD) ESD Protection: IEC 61000-4-2 Conrtact - Min. Contact - Max. Air - Min. Air - Max. 15 pF ESD Peak Pulse Power (tp = 8/20 s)2 PPP 500 W Maximum Forward Voltage @ 10 mA VF 1.1 V 8 30 15 30 kV Notes: 1. See Pulse Wave Form. 2. See Peak Pulse Power vs. Pulse Time. 3. Measured between pins 8 or 5 to 1, 2, 3, 4, 6 and 7. 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-SRDAxx-4 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 G B D C I C H E D Dimensions DIMENSIONS = MILLIMETERS (INCHES) E A 1.143 - 1.397 (0.045 - 0.055) B 0.635 - 0.889 (0.025 - 0.035) F 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 0.36 - 0.46 (0.014 - 0.018) E 1.35 - 1.75 (0.054 - 0.068) F 0.10 - 0.25 (0.004 - 0.008) G 0.25 - 0.50 (0.010 - 0.019) H 0.40 - 1.250 (0.016 - 0.049) I 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 - SRDA 3.3 - 4 Common Code Chip Diode Package * NBS08 = Narrow Body SOIC8 Package Model SRDA = Steering/TVS Diode Array Working Peak Reverse Voltage 3.3 = 3.3 VRWM (Volts) Number of Protection Lines 4 = 4 Lines Typical Part Marking CDNBS08-SRDA3.3-4................................................................ CDNBS08-SRDA05-4 ................................................................ CDNBS08-SRDA12-4 ................................................................ CDNBS08-SRDA15-4 ................................................................ PRA PRB PRD PRE Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CDNBS08-SRDAxx-4 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 s Waveform 1,000 100 Test Waveform Parameters tt = 8 s td = 20 s tt 100 80 et 60 40 td = t|IPP/2 20 0 10 0.01 1 10 100 1,000 0 10,000 5 10 15 20 25 30 t - Time (s) td - Pulse Duration (s) Block Diagram Power Derating Curve 7 6 100 5 % of Rated Power 8 Peak Pulse Power 8/20 s 80 60 40 20 1 2 3 Average Power 4 0 0 25 50 75 100 TL - Lead Temperature (C) Device Pinout Pin Function 1 I/O 1 2 +VREF 3 +VREF 4 I/O 2 5 GND 6 I/O 3 7 I/O 4 8 GND Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 125 150 CDNBS08-SRDAxx-4 Series - Steering Diode/TVS Array Combo 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 C Device Leader ....... ....... ....... ....... ....... ....... ....... ....... End W1 Start DIMENSIONS: 10 pitches (min.) 10 pitches (min.) Direction of Feed Item Symbol Carrier Width A Carrier Length B Carrier Depth C Sprocket Hole 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 MM (INCHES) Devices are packed in accordance with EIA standard RS-481-A. 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 REV. 09/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.