Features Applications Lead free as standard Ethernet - 10/100/1000 Base T RoHS compliant* Firewire and USB Halogen free** Portable electronics ESD protection >25 kV Video/graphic cards Protects Vcc and two data lines CD143A-SR05~12 Steering/TVS Diode Array Series General Information The CD143A-SR05 and CD143A-SR12 devices provides ESD, EFT and surge protection for the external ports of portable electronic devices such as cell phones, handheld electronics and personal computers. 4 REF GND 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. The Bourns device will meet IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC 61000-4-5 (Surge) requirements. I/O 2 3 I/O Absolute Maximum Ratings, T = 25 C (Unless Otherwise Noted) A Parameter Symbol Value Unit 1 Peak Pulse Power (t = 8/20 s) P 500 W p PP Peak Pulse Current (t = 8/20 s) p -SR05 I 30 A PP -SR12 16 Operating Temperature T -55 C to 150 C C J Storage Temperature T -55 C to 150 C C STG Peak Forward Voltage (l =1A8/20 s) V 1.5 V f F Electrical Characteristics, T = 25 C (Unless Otherwise Noted) A Parameter Symbol CD143A-SR05 CD143A-SR12 Unit 2 Breakdown Voltage Minimum 1mA V 6.0 13.3 V BR 2 Working Peak Voltage V 5.0 12 V WM 2,3 Clamping Voltage Maximum I =1A V 9.8 19 V P C 2,3 Clamping Voltage Maximum I V 20 28A 30 16A V P C 2 Leakage Current V I 5.0 1.0 A WM D Capacitance Maximum per Data Line 0V, 4,5 1 MHz C 10 10 pF J Notes: 1. See Peak Pulse Power vs. Pulse Time. 2. From Pin 4 to Pin 1. 3. See Pulse Wave Form. 4. From Pin 1 to Pin 3, Pin 1 to Pin 2, Pin 3 to Pin 4, Pin 2 to Pin 4. 5. GND is connected to ground, REF is connected to +V and input applies to V =V .V =30mV,F=1MHz. CC CC WM OSC *RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** 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. Specications are subject to change without notice. WARNING Users should verify actual device performance in their specic applications. Cancer and Reproductive Harm The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. www.P65Warnings.ca.gov *RoHS COMPLIANTCD143A-SR05~12 Steering/TVS Diode Array Series Product Dimensions This is a molded JEDEC SOT-143 device. It weighs approximately 35 mg and has a Dimensions flammability rating of UL 94V-0. The dimensions for the packaged device are shown below. 2.80 - 3.04 A (0.110 - 0.12) 1.78 - 2.03 A B (0.070 - 0.080) B 2.11 - 2.48 C (0.083 - 0.098) 1.20 - 1.39 D (0.047 - 0.055) G D C 0.39 - 0.50 E (0.015 - 0.020) 0.79 - 0.93 H F (0.031 - 0.037) 0.08 - 0.15 F E G (0.003 - 0.006) 0.46 - 0.60 H MM (0.018 - 0.024) DIMENSIONS: I (INCHES) 0.84 - 1.14 I (0.033 - 0.045) J K 0.72 - 0.83 J (0.028 - 0.033) 0.013 - 0.10 K (0.0005 - 0.004) Recommended Pad Layout Block Diagram This is the footprint recommended for this SOT-143 device. The device block diagram below includes the pin names and basic electrical connections associated with each channel. 2.85 (0.112) 1.90 4 REF (0.075) GND 1 0.85 (0.033) 1.05 2.75 1.90 I/O 2 3 I/O (0.041) (0.108) (0.075) 1.70 (0.067) Typical Part Marking 0.85 (0.033) CD143A-SR05 ................................................................................5A CD143A-SR12 ..............................................................................12A 1.20 0.80 0.85 (0.047) (0.031) (0.033) MM DIMENSIONS: (INCHES) Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.