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| PL IA Features Applications NT Lead free as standard RoHS compliant* Protects up to 4 I/O ports Unidirectional configuration 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 *R oH S CO M 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. 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. 8 7 6 5 1 2 3 4 Electrical Characteristics (@ TA = 25 C Unless Otherwise Noted) Parameter Symbol CDNBS08SRDA3.3-4 SRDA05-4 SRDA12-4 SRDA15-4 Unit Breakdown Voltage @ 1 mA Working Peak Voltage Maximum Clamping Voltage VC @ IP1 Maximum Clamping Voltage @ 8/20 s VC @ IPP1 Maximum Leakage Current @ VWM Maximum Cap Bidirectional @ 0 V, 1 MHz Peak Pulse Power (tp = 8/20 s) 2 VBR VWM VF VF ID Cj(SD) PPP VF 4.0 3.3 6.5 10.9 V @ 43 A 125 6.0 5.0 9.8 13.5 V @ 42 A 20 15 500 1.1 13.3 12.0 19.0 25.9 V @ 27 A 1 16.7 15.0 24.0 30.0 V @ 17 A 1 V V V V A pF W V Forward Voltage @ 100 mA, 300 s - Square Wave2 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 Symbol TJ TSTG Max. -55 to +150 -55 to +150 Unit C C *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-SRDAxx-4 Series - Steering Diode/TVS Array Combo Product Dimensions 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 Recommended Footprint A B F H G D C B C E Dimensions D DIMENSIONS = MILLIMETERS (INCHES) A B 1.143 - 1.397 (0.045 - 0.055) 0.635 - 0.889 (0.025 - 0.035) 6.223 Min. (0.245) 3.937 - 4.191 (0.155 - 0.165) 1.016 - 1.27 (0.040 - 0.050) E C Dimensions A B C D E F G H 4.80 - 5.00 (0.189 - 0.196) 3.80 - 4.00 (0.150 - 0.157) 5.80 - 6.20 (0.229 - 0.244) 1.35 - 1.75 (0.054 - 0.068) 0.10 - 0.25 (0.004 - 0.008) 0.25 - 0.50 (0.010 - 0.019) 0.40 - 1.250 (0.016 - 0.049) 0.18 - 0.25 (0.007 - 0.009) D E 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 *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-SRDAxx-4 Series - Steering Diode/TVS Array Combo Performance Graphs Peak Pulse Power vs Pulse Time 10,000 IPP - Peak Pulse Current (% of IPP) PPP - Peak Pulse Power (W) Pulse Wave Form 120 100 80 60 40 20 0 td = t|IPP/2 tt Test Waveform Parameters tt = 8 s td = 20 s et 1,000 500 W, 8/20 s Waveform 100 10 0.01 1 10 100 1,000 10,000 0 5 10 15 t - Time (s) 20 25 30 td - Pulse Duration (s) Block Diagram 8 7 6 5 Power Derating Curve 100 80 60 40 20 1 2 3 4 % of Rated Power Peak Pulse Power 8/20 s Average Power 0 0 25 50 75 100 125 150 Device Pinout Pin 1 2 3 4 5 6 7 8 Function I/O 1 +VREF +VREF I/O 2 GND I/O 3 I/O 4 GND TL - Lead Temperature (C) *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-SRDAxx-4 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 = 0.3 0.05 (.01 .002) 2.0 0.05 (.08 .002) 4.0 0.1 (.16 .004) 1.5 0.1/-0 (.06 .004/-0) DIA. 1.75 0.1 (.07 .004) MILLIMETERS (INCHES) R 0.3 MAX. (0.01) 12.0 0.3 (.47 .01) 5.5 0.3 (.22 .01) 9.0 0.1 (.354 .004) 8.0 0.3 (.31 .01) R 0.25 TYP. (0.010) 2.1 0.1 (.083 .004) 6.4 0.1 (.252 .004) ORIENTATION OF COMPONENT IN POCKET 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 REV. 05/06 *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. |
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