T PL IA N M CO *R oH S Features Applications ■ RoHS compliant* ■ Ethernet - 10//100/1000 Base T ■ Halogen free** ■ Firewire and USB ■ ESD protection ■ Portable electronics ■ Protects two lines ■ Video/graphic cards ■ Low leakage current ■ Low capacitance CD143A-SR2.8~3.3 - Steering/TVS Diode Array Series General Information The Model CD143A-SR2.8 and CD143A-SR3.3 devices provide ESD protection for the external ports of portable electronic devices such as cell phones, handheld electronics and personal computers. GND 1 I/O 2 4 Vdd 3 I/O 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) to 30 kV, IEC 61000-4-4 (EFT) to 40 A and IEC 61000-4-5 (Surge) to 12 A. Absolute Maximum Ratings (@ TA = 25 °C Unless Otherwise Noted) Parameter Symbol Value Unit Peak Pulse Power (tp= 8/20 µs) 1 PPP 200 W Peak Pulse Current (tp= 8/20 µs) IPP 12 A Operating Supply Voltage (Vdd - Gnd) ESD Protection per IEC 61000-4-2 (Air, Contact) Vdc 3.8 V Vesd ±30 kV Vio (Gnd -0.5) to (Vdd +0.5) V TJ -55 °C to +125 °C °C TSTG -55 °C to +150 °C °C DC Voltage at any I/O Pin Operating Temperature Storage Temperature Electrical and Thermal Characteristics (@ TA = 25 °C Unless Otherwise Noted) Parameter Symbol Breakdown Voltage Minimum @ 1 mA 2 VBR Working Peak Voltage 2 VWM CD143A-SR2.8 CD143A-SR3.3 Unit 3.3 V 4.5 2.8 V Clamping Voltage Maximum @ IP = 1 A 2,3 VC 5.0 7.0 V Clamping Voltage Maximum @ IP 2,3 VC 8.5 @ 5 A 8.2 @ 10 A V Reverse Leakage Current Maximum @ VWM Forward Voltage Maximum @ 15 mA 4 Leakage Current @ VWM 5 Capacitance Typical @ 0 V, 1 MHz 5 2 IL 5.0 µA Vf 1.0 V ID 1.0 µA CJ 4.5 pF 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 4. 5. From Pin 1 to Pin 3, Pin 1 to Pin 2. * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. **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. 3312 - 2 mm SMD Trimming Diode Potentiometer CD143A-SR2.8~3.3 - Steering/TVS Array Series Typical Characteristics Clamping Voltage vs. Peak Pulse Current 120 Waveform Parameters tt = 8 µs td = 20 µs tt 100 80 Clamping Voltage (V) IPP – Peak Pulse Current (% of IPP) Pulse Wave Form et 60 40 td = t|IPP/2 20 0 5 0 10 15 20 25 12 11 10 9 8 7 6 5 4 3 2 1 0 30 Waveform Parameters tr = 8 µs td = 20 µs 4 5 6 7 t – Time (µs) 6 5.0 4.5 5 4.0 4 3 2 Waveform Parameters tr = 8 µs td = 20 µs 0 4 5 6 7 8 9 10 11 12 13 14 15 12 13 14 15 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0.000 VDD = 3.3 V, GND = 0 V, f = 1 MHz, T = 25 °C 0.825 1.650 2.475 3.300 Input Voltage (V) Typical Variation of CI/O-to-I/O vs. VIN How to Order CD 143A - SR 3.3 C 0.8 0.7 Common Code Chip Diode 0.6 Capacitance (pF) 10 11 3.5 Peak Pulse Current (A) 0.5 Package 143A = SOT-143 0.4 Model SR = Steering Diode Array 0.3 Repetitive Peak Reverse Voltage 3.3 = 3.3 VRWM (Volts) 0.2 Customer Specific Requirements VDD = 3.3 V, GND = 0 V, f = 1 MHz, T = 25 °C 0.1 0.0 0.000 9 Typical Variation of CIN vs. VIN Input Capacitance (pF) Forward Clamping Voltage (V) Forward Clamping Voltage vs. Peak Pulse Current 1 8 Peak Pulse Current (A) 0.825 1.650 2.475 3.300 Input Voltage (V) 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. 3312 - 2 mm SMD-Trimming Potentiometer CD143A-SR2.8~3.3 Steering/TVS Diode Array Series Product Dimensions This is a molded 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 2.80 - 3.04 (0.110 - 0.12) B 1.80 - 2.02 (0.071 - 0.080) C 2.25 - 2.55 (0.089 - 0.100) D 1.2 - 1.4 (0.047 - 0.055) E 0.35 - 0.50 (0.014 - 0.020) F 0.76 - 0.89 (0.030 - 0.035) G 0.09 - 0.18 (0.035 - 0.007) H 0.46 - 0.60 (0.018 - 0.024) I 0.9 - 1.1 (0.035 - 0.043) J 0.72 - 0.83 (0.028 - 0.033) K 0.05 - 0.1 (0.002 - 0.004) A B D G C H E F DIMENSIONS: I J MM (INCHES) K 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. 2.92 (0.115) 1.92 (0.076) GND 1 I/O 2 4 Vdd 3 I/O 1.4 (0.055) 2.2 (0.087) 0.8 (0.031) 1.72 (0.068) 3.6 (0.142) 1.4 (0.055) Typical Part Marking 1.4 (0.055) 0.52 (0.020) DIMENSIONS: 1.0 (0.039) CD143A-SR2.8 ............................................................................. 2A CD143A-SR3.3 ............................................................................. 3A MM (INCHES) 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-SR2.8~3.3 - 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 P 1 d T E Index Hole 120 ° F D2 W A D1 D P B Trailer ....... ....... End C Device ....... ....... Leader ....... ....... ....... ....... 10 pitches (min.) 10 pitches (min.) W1 Start DIMENSIONS: MM (INCHES) Direction of Feed Item Symbol SOT-143 Carrier Width A 3.19 ± 0.10 (0.126 ± 0.004) Carrier Length B 2.8 ± 0.10 (0.110 ± 0.004) Carrier Depth C 1.31 ± 0.10 (0.052 ± 0.004) Sprocket Hole d 1.5 +0.1/-0 (0.059 +0.004/-0) Reel Outside Diameter D 180 ± 3 (7.087 ± 0.012) Reel Inner Diameter D1 Feed Hole Diameter D2 13.0 +0.5/-0.2 (0.512 +0.020/-0.008) Sprocket Hole Position E 1.75 ± 0.10 (0.069 ± 0.004) Punch Hole Position F 3.50 ± 0.05 (0.138 ± 0.002) Punch Hole Pitch P 4.00 ± 0.10 (0.157 ± 0.004) Sprocket Hole Pitch P0 4.00 ± 0.10 (0.157 ± 0.004) Embossment Center P1 2.00 ± 0.05 (0.079 ± 0.002) 50.0 MIN. (1.969) Overall Tape Thickness T 0.6 MAX. (0.024) Tape Width W 8.3 MAX. (0.327) Reel Width W1 14.4 MAX. (0.567) Quantity per Reel -- 3,000 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 REV. 11/15 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.