*R oH S CO M PL IA NT Features Applications Lead free as standard RoHS compliant* Halogen free** ESD protection Protects 2 lines Low leakage current: <1 µA Low capacitance: 3 pF Cell phones Desktops Laptops & notebooks Portable electronics CD143A-SR70 – Steering Diode Array Series General Information The CD143A-SR70 device provides ESD protection for the external ports of portable electronic devices such as cell phones, handheld electronics and personal computers. The device also provides EFT and surge protection. 4 1 The ESD protection provided by the component enables a data port to withstand a minimum ±8 KV Contact / ±15 KV Air Discharge per the ESD test method specified in IEC 61000-4-2. The device measures 2.80 mm x 1.20 mm and is available in a SOT-143 package intended to be mounted directly onto an FR4 printed circuit board. 2 3 Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted) Parameter Capacitance @ 0 V 1 MHz* Symbol Min. Nom. Cj Repetitive Peak Reverse Voltage Max. Unit 10 pF 70 V Reverse Breakdown Voltage I @ 50 µA VBR Forward Clamping Voltage 8/20 µs IPP @ 1 A VFC 1.5 V Forward Clamping Voltage 8/20 µs IPP @ 24 A VFC 7 V IR 1 µA Reverse Leakage Current @ VRRM ESD Protection: IEC 61000-4-2 Contact Discharge Air Discharge 85 V ±8 ±15 kV kV EFT Protection: IEC 61000-4-4 @ 5/50 ns 40 A Surge Protection: IEC 61000-4-5 @ 8/20 µs Level 2 (Line-Gnd) & Level 3 (Line-Line) 24 A *Measured between I/O pins and ground. 3 pF typical between I/O pins. Thermal Characteristics (@ TA = 25 °C Unless Otherwise Noted) Parameter Symbol Min. Nom. Max. Forward Peak Pulse Current (tp = 8/20 µs ) IPP Operating Temperature Range TJ -55 25 +150 °C TSTG -55 25 +150 °C Storage Temperature Range 24 Unit A * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. ** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. CD143A-SR70 – Steering Diode Array Series Product Dimensions This is a molded JEDEC SOT-143 device. It weighs approximately 35 mg and has a flammability rating of UL 94V-0. The dimensions for the packaged device are shown below. Dimensions A B D G C H F E DIMENSIONS: I J MM (INCHES) K Recommended Pad Layout This is the footprint recommended for this SOT-143 device. 2.85 (0.112) A 2.80 - 3.04 (0.110 - 0.12) B 1.78 - 2.03 (0.070 - 0.080) C 2.11 - 2.48 (0.083 - 0.098) D 1.20 - 1.39 (0.047 - 0.055) E 0.39 - 0.50 (0.015 - 0.020) F 0.79 - 0.93 (0.031 - 0.037) G 0.08 - 0.15 (0.003 - 0.006) H 0.46 - 0.60 (0.018 - 0.024) I 0.84 - 1.14 (0.033 - 0.045) J 0.72 - 0.83 (0.028 - 0.033) K 0.013 - 0.10 (0.0005 - 0.004) Block Diagram 1.90 (0.075) The device block diagram below includes the pin names and basic electrical connections associated with each channel. 0.85 (0.033) 4 1.05 (0.041) 1.90 (0.075) 1 2.75 (0.108) 1.70 (0.067) 0.85 (0.033) 2 1.20 (0.047) 0.80 (0.031) DIMENSIONS: 3 0.85 (0.033) MM (INCHES) Typical Part Marking CD143A-SR70..............................................................................PSA Device Pin Out Pin Function 1 VN 2 I/O 1 3 I/O 2 4 VP Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. CD143A-SR70 – Steering Diode Array Series Packaging Information The surface mount product is packaged in an 8 mm x 4 mm tape and reel format per EIA-481 standard. P 0 P 1 d T E Index Hole 120 ° F D2 W A D1 D P B Trailer ....... ....... End C Device ....... ....... 10 pitches (min.) ....... ....... Leader ....... ....... 10 pitches (min.) W1 Start DIMENSIONS: MM (INCHES) 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 — SOT-143 2.75 ±0.10 (0.108 - 0.004) 3.30 ±0.10 (0.130 - 0.004) 1.25 ±0.10 (0.049 - 0.004) 1.55 ±0.05 (0.061 - 0.002) 178 (7.008) 50.0 Min. (1.969) 13.0 ±0.20 (0.512 - 0.008) 1.75 ±0.10 (0.069 - 0.004) 3.50 ±0.05 (0.138 - 0.002) 4.00 ±0.10 (0.157 - 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) 8.00 ±0.20 (0.315 - 0.008) 14.4 Max. (0.567) How To Order Common Code Chip Diode Package • 143A = SOT-143 Model SR = Steering Diode Array Repetitive Peak Reverse Voltage 70 = 70 VRWM (Volts) CD 143A - SR 70 Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com 3,000 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. REV. 07/14