NT Features Applications MPLIA ■ Lead free as standard ■ Ethernet - 10/100/1000 Base T O HS C ■ RoHS compliant* ■ Firewire and USB Ro * ■ 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, TA= 25 °C (Unless Otherwise Noted) Parameter Symbol Value Unit Peak Pulse Power (t = 8/20 µs)1 P 500 W p PP Peak Pulse Current (t = 8/20 µs) 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 (lf= 1 A 8/20 µs) VF 1.5 V Electrical Characteristics, TA= 25 °C (Unless Otherwise Noted) Parameter Symbol CD143A-SR05 CD143A-SR12 Unit Breakdown Voltage Minimum @ 1 mA 2 V 6.0 13.3 V BR Working Peak Voltage 2 V 5.0 12 V WM Clamping Voltage Maximum @ I = 1 A 2,3 V 9.8 19 V P C Clamping Voltage Maximum @ I 2,3 V 20 @ 28 A 30 @ 16 A V P C Leakage Current @ V 2 I 5.0 1.0 µA WM D Capacitance Maximum per Data Line @ 0 V, 1 MHz 4,5 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 = 30 mV, F = 1 MHz. CC CC WM OSC * RoHS Directive 2002/95/EC Jan 27, 2003 including 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. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

CD143A-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) D C G 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 I DIMENSIONS: (INMCHMES) (0.018 - 0.024) 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) 1.90 1.05 2.75 I/O 2 3 I/O (0.075) (0.041) (0.108) 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) Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

CD143A-SR05~12 – Steering/TVS Diode Array Series Performance Graphs Peak Pulse Power vs Pulse Time Pulse Wave Form P – Peak Pulse Current (W) PP 101,,001000000 500 W, 8/20 µs Waveform – Peak Pulse Current (% of I) PP 11246802000000 tt td =e tt| TttItdPe =P=s/ t 28 2W 0µ asµv se form Parameters 10 I PP 0 0.01 1 10 100 1,000 10,000 0 5 10 15 20 25 30 td – Pulse Duration (µs) t – Time (µs) Typical Capacitance vs. Reverse Voltage Power Derating Curve 16 100 Peak Pulse Power 12 er 80 8/20 µs w pacitance - pF 8 % of Rated Po 4600 Ca 4 C - 20 Average Power 0 0 0 1 2 3 4 5 0 25 50 75 100 125 150 VR – Reverse Voltage - Volts TL – Lead Temperature (°C) How To Order CD 143A - SR 05 Common Code Chip Diode Package • 143A = SOT-143 Model SR = Steering Diode Array Working Peak Voltage 05 = 5.0 VWM(Volts) 12 = 12 VWM(Volts) Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

CD143A-SR05~12 – Steering/TVS 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 P1 d E T Index Hole 120 ° F D2 W A D1 D P B C Trailer Device Leader ....... ....... ....... ....... W1 End ....... ....... ....... ....... Start 10 pitches (min.) 10 pitches (min.) MM DIMENSIONS: (INCHES) Direction of Feed Item Symbol SOT-143 2.75 ±0.10 Carrier Width A (0.108 - 0.004) 3.30 ±0.10 Carrier Length B (0.130 - 0.004) 1.25 ±0.10 Carrier Depth C (0.049 - 0.004) 1.55 ±0.05 Sprocket Hole d (0.061 - 0.002) 178 Reel Outside Diameter D (7.008) 50.0 Reel Inner Diameter D1 (1.969) Min. 13.0 ±0.20 Feed Hole Diameter D2 (0.512 - 0.008) 1.75 ±0.10 Sprocket Hole Position E (0.069 - 0.004) 3.50 ±0.05 Punch Hole Position F (0.138 - 0.002) 4.00 ±0.10 Punch Hole Pitch P (0.157 - 0.004) 4.00 ±0.10 Sprocket Hole Pitch P0 (0.157 - 0.004) 2.00 ±0.05 Embossment Center P1 (0.079 - 0.002) 0.20 ±0.10 Overall Tape Thickness T (0.008 - 0.004) 8.00 ±0.20 Tape Width W (0.315 - 0.008) 14.4 Reel Width W1 (0.567) Max. Quantity per Reel — 3,000 Specifications are subject to change without notice. REV. 06/11 Customers should verify actual device performance in their specific applications.