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| SRLC05, e3 Low Capacitance TVSarray TM SCOTTSDALE DIVISION DESCRIPTION This TRANSIENT VOLTAGE SUPPRESSOR (TVS) is packaged in an SOT-143 configuration with very low capacitance giving protection for two high speed data lines connected to terminals 2 and 3. This protection is from electrostatic discharge (ESD) and other induced voltage surges such as electrical fast transient/burst (EFT) that can damage or upset sensitive circuitry as defined in IEC 61000-4-2 and IEC 61000-4-4. With its four steering diodes and one TVS, any positive voltage on the data lines exceeding one diode voltage drop above the positive voltage supply line (Vcc) connected to terminal 4 will be diverted away from the protected line to the supply line. If this also exceeds the TVS voltage, the surge is directed to ground (Gnd) at terminal 1. Negative voltages greater than one voltage drop are diverted to ground. This SRLC05 can also serve as a bi-directional, low capacitance TVS when simply using terminals 2 and 3. In a similar configuration, the terminal 1 can optionally be tied to ground. IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com APPEARANCE WWW .Microsemi .C OM SOT-143 FEATURES * * * * * * Protects 2 high-speed data lines Surge protection per IEC 61000-4-2, IEC 61000-4-4 Optionally provides bi-directional protection ULTRA LOW CAPACITANCE 6 pF UL94V-0 Flammability Classification RoHS Compliant devices available by adding "e3" suffix * * * * * * APPLICATIONS / BENEFITS EIA-RS485 data rates: 5 Mbs 10 Base T Ethernet USB date rate: 900 Mbs Video line protection Wan/Lan ISDN S/T MAXIMUM RATINGS * * * * Operating Temperature: -55C to +150C Storage Temperature: -55C to +150C Peak Pulse Power: 200 watts (8/20 s, Figure 1) Pulse Repetition Rate: < .01% * * * * MECHANICAL AND PACKAGING CASE: Molded SOT-143 Surface Mount TERMINALS: Tin-Lead or RoHS Compliant annealed matte-Tin plating solderable per MIL-STD750, method 2026 WEIGHT: 0.035 grams (approximate) MARKING: Marking code "R05" and Pin #1 defined by dot on top of package ELECTRICAL CHARACTERISTICS PER LINE @ 25oC Unless otherwise specified STANDOFF VOLTAGE VWM VOLTS MAX BREAKDOWN VOLTAGE VBR @1 mA VOLTS MIN CLAMPING VOLTAGE VC @ 1 Amp (Figure 2) VOLTS MAX CLAMPING VOLTAGE VC @ 5 Amp (Figure 2) VOLTS MAX PEAK FORWARD VOLTAGE Vf @ 1 Amp (Figure 2) VOLTS MAX STANDBY CURRENT ID @ 5 Volts A MAX CAPACITANCE C @0V ,(f = 1 MHz) Between I/O pins and GND pF TYP MAX CAPACITANCE C @0V ,(f = 1MHz) Between I/O pins pF TYP MAX PART NUMBER DEVICE MARKING SRLC05 R05 5.0 5.6 8 11 2 2 4 6 2 3 Note: Transient Voltage Suppressor (TVS) product is normally selected based on its stand off voltage VWM. Product selected voltage should be equal to or greater than the continuous peak operating voltage of the circuit to be protected. SRLC05 Copyright (c) 2005 9-30-2005 REV B Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 1 SRLC05, e3 Low Capacitance TVSarray TM SCOTTSDALE DIVISION Symbol VWM VBR VC ID C SYMBOLS & DEFINITIONS Definition Stand Off Voltage: Maximum dc voltage that can be applied over the operating temperature range. Vwm must be selected to be equal or be greater than the operating voltage of the line to be protected. Minimum Breakdown Voltage: The minimum voltage the device will exhibit at a specified current Clamping Voltage: Maximum clamping voltage across the TVS device when subjected to a given current at a pulse time of 20 s. Standby Current: Leakage current at VWM. Capacitance: Capacitance of the TVS as defined @ 0 volts at a frequency of 1 MHz and stated in picofarads. WWW .Microsemi .C OM CIRCUIT PPP - Peak Pulse Power - kW td - Pulse Time - Sec. FIGURE 1 OUTLINE AND SCHEMATIC FIGURE 2 Pulse Wave Form DIM A B C C1 D E F G H I J INCHES MIN MAX 0.070 0.080 0.047 0.055 0.030 0.037 0.015 0.020 0.110 0.119 0.035 0.044 0.071 0.079 0.0006 0.006 0.003 0.007 0.018 0.023 0.083 0.093 MILLIMETERS MIN MAX 1.78 2.03 1.20 1.40 0.77 0.94 0.37 0.50 2.80 3.04 0.89 1.17 1.80 2.00 0.013 0.05 0.085 0.17 0.45 0.60 2.10 2.50 SRLC05 OUTLINE Copyright (c) 2005 9-30-2005 REV B PAD LAYOUT SCHEMATIC Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 2 |
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