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| 05066 PSOT03LC thru Only One Name Means ProT ek'TionTM PSOT36LC UL TRA LOW CAPACIT ANCE TVS ARRA Y APPLICA TIONS Ethernet - 10/100 Base T Cellular Phones FireWire Audio/Video Inputs Portable Electronics IEC COMPA TIBILITY (EN61000-4) 61000-4-2 (ESD): Air - 15kV, Contact - 8kV 61000-4-4 (EFT): 40A - 5/50ns 61000-4-5 (Surge): 12A, 8/20s - Level 1(Line-Ground) & Level 2(Line-Line) FEA TURES ESD Protection > 40 kilovolts 500 Watts Peak Pulse Power per Line (tp = 8/20s) Low Clamping Voltage Available in Multiple Voltage Types Ranging from 3V to 36V ULTRA LOW CAPACITANCE: 5pF MECHANICAL CHARACTERISTICS Molded JEDEC SOT-23 Weight 14 milligrams (Approximate) Flammability rating UL 94V-0 8mm Tape and Reel Per EIA Standard 481 Device Marking: Marking Code SOT-23 PIN CONFIGURA TION 1 3 2 05066.R4 8/03 1 www.protekdevices.com PSOT03LC thru PSOT36LC DEVICE CHARACTERISTICS MAXIMUM RATINGS @ 25C Unless Otherwise Specified PARAMETER Peak Pulse Power - tp= 8/20s (See Figure 1) Operating Temperature Storage Temperature SYMBOL PPP TJ TSTG VALUE 500 -55C to 150C -55C to 150C UNITS W C C ELECTRICAL CHARACTERISTICS PER LINE @ 25C Unless Otherwise Specified PART NUMBER (Note 1) DEVICE MARKING RATED STAND-OFF VOLTAGE MINIMUM BREAKDOWN VOLTAGE (See Note 2) @ 1mA V(BR) VOLTS 4.0 6.0 8.5 13.3 16.7 26.7 40.0 MAXIMUM CLAMPING VOLTAGE (See Fig. 2) @ IP = 1A VC VOLTS 7.0 9.8 13.4 19.0 24.0 43.0 51.0 MAXIMUM CLAMPING VOLTAGE (See Fig. 2) MAXIMUM LEAKAGE CURRENT TYPICAL CAPACITANCE V WM VOLTS PSOT03LC PSOT05LC PSOT08LC PSOT12LC PSOT15LC PSOT24LC PSOT36LC 03L 05L 08L 12L 15L 24L 36L 3.3 5.0 8.0 12.0 15.0 24.0 36.0 @8/20s VC @ IPP 10.9V @ 43.0A 13.5V @ 42.0A 16.9V @ 34.0A 25.9V @ 21.0A 30.0V @ 17.0A 49.0V @ 12.0A 76.8V @ 9.0A @VWM ID A 125 20 10 1 1 1 1 @0V, 1 MHz C pF 5 5 5 5 5 5 5 Note 1: Positive potential is applied from pin 1 to 2; pin 2 is ground. Note 2: Do not test or surge from pin 2 to 1. PIV typically greater than 100V for the rectifier diode. FIGURE 1 PEAK PULSE POWER VS PULSE TIME 10,000 IPP - Peak Pulse Current - % of IPP PPP - Peak Pulse Current - Watts 120 100 80 60 40 20 0 tf FIGURE 2 PULSE WAVE FORM Peak Value IPP TEST WAVEFORM PARAMETERS tf = 8s td = 20s 1,000 500W, 8/20s Waveform e-t 100 td = t I /2 PP 10 0.01 1 10 100 td - Pulse Duration - s 1,000 10,000 0 5 10 15 t - Time - s 20 25 30 05066.R4 8/03 2 www.protekdevices.com PSOT03LC thru PSOT36LC GRAPHS FIGURE 3 POWER DERATING CURVE Peak Pulse Power 8/20s 100 80 % Of Rated Power 60 40 20 Average Power 0 0 25 50 75 100 125 TL - Lead Temperature - C 150 FIGURE 4 OVERSHOOT & CLAMPING VOLTAGE FOR PSOT03LC 40 5 Volts per Division 30 20 10 0 ESD Test Pulse: 7 kilovolt, 1/30ns (waveform) FIGURE 5 TYPICAL CLAMPING VOLTAGE VS PEAK PULSE CURRENT FOR PSOT05LC 16 VC - Clamping Voltage - Volts 12 8 4 0 0 2 4 6 8 10 12 IPP - Peak Pulse Current - Amps 14 16 18 05066.R4 8/03 3 www.protekdevices.com PSOT03LC thru PSOT36LC APPLICA TION NOTE The PSOTxxLC Series are low capacitance TVS arrays designed to protect I/O or data lines from the damaging effects of ESD or EFT. This product series provides unidirectional & bidirectional protection, with a surge capability of 500 Watts PPP per line for an 8/20s waveform and ESD protection > 40 kilovolts. BIDIRECTIONAL COMMON-MODE CONFIGRUATION (Figure 1) Two PSOTxxLC devices, when used in paralell, provide protection in a common-mode configuration as depicted in Figure 1. Circuit connectivity is as follows: I/O Line is connected to Device 1, Pin 1. I/O Line is connect to Device 2, Pin 2. Device 1, Pin 2 is connected to ground. Device 2, Pin 1 is connected to ground. Device 1 & 2, Pin 3 is not connected. Figure 1 - Common-Mode I/O Port Protection I/O LINE 1 3 2 3 2 1 BIDIRECTIONAL DIFFERENTIAL-MODE CONFIGRUATION (Figure 1) In addition, two PSOTxxLC devices, when used in paralell, provide protection in a differential-mode configuration for Ethernet applications as depicted in Figure 2. Circuit connectivity is as follows: I/O Line 1 is connected to Device 1, Pin 1. I/O Line 1 is connect to Device 2, Pin 2. I/O Line 2 is connected to Device 1, Pin 1. I/O Line 2 is connect to Device 2, Pin 2. Device 1 & 2, Pin 3 is not connected. I/O 1 ETHERNET TRANSCEIVER GND Figure 2 - Differential-Mode Ethernet Protection CIRCUIT BOARD LAYOUT RECOMMENDATIONS Circuit board layout is critical for Electromagnetic Compatibility (EMC) protection. The following guidelines are recommended: The protection device should be placed near the input terminals or connectors, the device will divert the transient current immediately before it can be coupled into the nearby traces. The path length between the TVS device and the protected line should be minimized. All conductive loops including power and ground loops should be minimized. The transient current return path to ground should be kept as short as possible to reduce parasitic inductance. Ground planes should be used whenever possible. For multilayer PCBs, use ground vias. 1 3 2 I/O 2 2 3 1 05066.R4 8/03 4 www.protekdevices.com PSOT03LC thru PSOT36LC PACKAGE OUTLINE & DIMENSIONS PACKAGE OUTLINE SOT-23 A L 0 - 10 3 B 1 2 S K J PACKAGE DIMENSIONS DIM MILLIMETERS MIN MAX 2.80 1.20 0.89 0.37 1.78 0.013 0.085 0.45 0.89 2.10 0.45 3.04 1.40 1.11 0.50 2.04 0.100 0.177 0.60 1.02 2.50 0.60 INCHES MIN MAX 0.1102 0.0472 0.0350 0.0150 0.0701 0.0005 0.0034 0.0180 0.0350 0.0830 0.0177 0.1197 0.0551 0.0440 0.0200 0.0807 0.0040 0.0070 0.0236 0.0401 0.0984 0.0236 V G C D H A B C D G H J K L S V NOTES MOUNTING PAD 0.037" (0.95mm) 1. Dimensioning and tolerances per ANSI Y14.5M, 1985. 2. Controlling Dimension: Inches 3. Pin 3 is the cathode (Unidirectional Only). 4. Dimensions are exclusive of mold flash and metal burrs. TAPE & REEL ORDERING NOMENCLATURE 1. Surface mount product is taped and reeled in accordance with EIA-481. 2. Suffix -T7 = 7 Inch Reel - 3,000 pieces per 8mm tape, i.e., PSOT05LC-T7. 3. Suffix -T13 = 13 Inch Reel - 10,000 pieces per 8mm tape, i.e., PSOT05LC-T13. 0.079" (2.00mm) 0.033" (0.85mm) 0.033" (0.85mm) Outline & Dimensions: Rev 1 - 11/01, 06012 COPYRIGHT (c) ProTek Devices 2003 SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except JEDEC). DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is the buyer's and that in furnishing engineering and technical assistance, ProTek assumes no responsibility with respect to the selection or specifications of such products. ProTek Devices 2929 South Fair Lane, Tempe, AZ 85282 Tel: 602-431-8101 Fax: 602-431-2288 E-Mail: sales@protekdevices.com Web Site: www.protekdevices.com 05066.R4 8/03 5 www.protekdevices.com |
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