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| Ultra-Low Capacitance 1-Line ESD protection PROTECTION PRODUCTS - RailClamp PROTECTION PRODUCTS Description RailClamps are ultra low capacitance Transient Voltage Suppressors (TVS) designed to protect high speed data interfaces. This series has been specifically designed to protect sensitive components which are connected to high-speed data and transmission lines from overvoltage caused by ESD (electrostatic discharge), CDE (Cable Discharge Events), and EFT (electrical fast transients). The RClampTM0521P has a maximum capacitance of only 0.50pF. This allows it to be used on circuits operating in excess of 3GHz without signal attenuation. They may be used to meet the ESD immunity requirements of IEC 61000-4-2, Level 4 (15kV air, 8kV contact discharge). The RCLAMP0521P is in a 2-pin, RoHS/WEEE compliant, SLP1006P2 package measuring 1.0 x 0.6 x 0.5mm. The leads are spaced at a pitch of 0.65mm and feature a lead-free finish. Each device will protect one highspeed line operating at 5 volts. It gives the designer the flexibility to protect single lines in applications where arrays are not practical. The combination of small size, low capacitance, and high ESD surge capability makes them ideal for use in applications such as cellular phones and digital video interfaces. RCLAMP0521P Features Transient protection for data lines to IEC 61000-4-2 (ESD) 15kV (air), 8kV (contact) IEC 61000-4-4 (EFT) 40A (tp = 5/50ns) Cable Discharge Event (CDE) Ultra-small package (1.0 x 0.6 x 0.5mm) Protects one data or I/O line Low capacitance: 0.5pF Low clamping voltage Low operating voltage: 5.0V Solid-state silicon-avalanche technology Mechanical Characteristics SLP1006P2 package Molding compound flammability rating: UL 94V-0 Marking: Marking code Packaging : Tape and Reel Lead Finish: NiPdAu RoHS/WEEE Compliant Applications Cellular Handsets & Accessories Digital Visual Interface (DVI) Display Port MDDI Ports USB Ports PCI Express Serial ATA Dimensions 1.0 0.60 0.65 Schematic & PIN Configuration 0.50 Maximum Dimensions (mm) Revision 10/26/2007 1 SLP1006P2 (Bottom View) www.semtech.com RCLAMP0521P PROTECTION PRODUCTS Absolute Maximum Rating Rating Peak Pulse Power (tp = 8/20s) Peak Pulse Current (tp = 8/20s) ESD per IEC 61000-4-2 (Air) ESD per IEC 61000-4-2 (Contact) Operating Temperature Storage Temperature Symbol Ppk IPP VESD TJ TSTG Value 100 4 +/- 15 +/- 8 -55 to +125 -55 to +150 Units Watts A kV C C Electrical Characteristics (T=25oC) Parameter Reverse Stand-Off Voltage Reverse Breakdown Voltage Reverse Leakage Current Clamping Voltage Clamping Voltage Symbol VRWM V BR IR VC VC It = 1mA VRWM = 5V, T=25C IPP = 1A, tp = 8/20s IPP = 4A, tp = 8/20s VR = 0V, f = 1MHz 0.30 6 9.3 0.025 Conditions Minimum Typical Maximum 5 11 1 15 25 0.50 Units V V A V V pF Junction Capacitance Cj 2007 Semtech Corp. 2 www.semtech.com RCLAMP0521P PROTECTION PRODUCTS Typical Characteristics Non-Repetitive Peak Pulse Power vs. Pulse Time 10 Power Derating Curve 110 100 90 % of Rated Power or I PP 80 70 60 50 40 30 20 10 0 Peak Pulse Power - PPP (kW) 1 0.1 0.01 0.1 1 10 Pulse Duration - tp (s) 100 1000 0 25 50 75 100 125 150 Ambient Temperature - TA (oC) Clamping Voltage vs. Peak Pulse Current 24 22 20 Clamping Voltage - VC (V) 18 14 12 10 8 6 4 2 0 0 1 2 3 Peak Pulse Current - IPP (A) 4 5 Waveform Parameters: tr = 8s td = 20s CJ(VR) / CJ(VR=0) 1.5 2 Normalized Capacitance vs. Reverse Voltage f = 1 MHz 16 1 0.5 0 0 1 2 3 Reverse Voltage - VR (V) 4 5 ESD Clamping (8kV Contact per IEC 61000-4-2) CH1 S21 Insertion Loss S21 LOG 6 dB / REF 0 dB 1: -0.01950 dB 900 MHz 0 dB 1 2 3 2: 0.02630 dB 1.8 GHz 3: 0.25850 dB 2.5 GHz -6 dB -12 dB -18 dB -24 dB -30 dB -36 dB -42 dB -48 dB 1 MHz START . 030 MHz 10 MHz 100 MHz Note: Data is taken with a 10x attenuator 2007 Semtech Corp. 3 3 1 GHz GHz STOP 3000. 000000 MHz www.semtech.com RCLAMP0521P PROTECTION PRODUCTS Applications Information Device Connection Options These low capacitance TVS diodes are designed to provide common mode protection for one high-speed line or differential protection for one line pair. The device is bidirectional and may be used on lines where the signal polarity is positive and negative. Circuit Board Layout Recommendations for Suppression of ESD. Good circuit board layout is critical for the suppression of ESD induced transients. The following guidelines are recommended: Place the TVS near the input terminals or connectors to restrict transient coupling. Minimize the path length between the TVS and the protected line. Minimize all conductive loops including power and ground loops. The ESD transient return path to ground should be kept as short as possible. Never run critical signals near board edges. Use ground planes whenever possible. Equivalent Circuit Diagram 2007 Semtech Corp. 4 www.semtech.com RCLAMP0521P PROTECTION PRODUCTS Applications Information - Spice Model I/O Line RCLAMP0521P Spice Model R Clamp0521P Spice Parameters Parameter IS BV VJ RS IB V CJO TT M N EG Unit Amp Volt Volt Ohm Amp Farad sec --eV D1 (LCR D) 1.0E-20 100 0.7 0.458 1E-3 0.4E-12 2.541E-9 0.01 1.1 1.11 D2 (LCR D) 1.0E-20 100 0.7 0.89 1E-3 0.4E-12 2.541E-9 0.01 1.1 1.11 D3 (T VS) 2.0E-12 9.36 0.6 0.8 1E-3 56E-12 2.541E-9 0.23 1.1 1.11 2007 Semtech Corp. 5 www.semtech.com RCLAMP0521P PROTECTION PRODUCTS Outline Drawing - SLP1006P2 A D B E DIM A A1 b D E e L R N aaa bbb TOP VIEW A aaa C A1 PIN 1 ID R bxN bbb CAB 2x L e C SEATING PLANE .016 .020 .022 .000 .001 .002 .018 .020 .022 .035 .039 .043 .020 .024 .028 .026 BSC .008 .010 .012 .002 .004 .006 2 .003 .004 DIMENSIONS INCHES MILLIMETERS MIN NOM MAX MIN NOM MAX 0.40 0.50 0.55 0.00 0.03 0.05 0.45 0.50 0.55 0.90 1.00 1.10 0.50 0.60 0.70 0.65 BSC 0.20 0.25 0.30 0.05 0.10 0.15 2 0.08 0.10 BOTTOM VIEW NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). Land Pattern - SLP1006P2 Y (C) G Z DIMENSIONS DIM C G X Y Z INCHES (.033) .012 .024 .022 .055 MILLIMETERS (0.85) 0.30 0.60 0.55 1.40 X NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. 2007 Semtech Corp. 6 www.semtech.com RCLAMP0521P PROTECTION PRODUCTS Marking Code Ordering Information Part Number Qty per Reel 3,000 Reel Size 7 Inch N PIN 1 ID Tape and Reel Specification RCLAMP0521P.TCT Note: Lead finish is lead-free NiPdAu. RailClamp and RClamp are marks of Semtech Corporation. A0 0.69 +/-0.10 mm B0 1.19 +/-0.10 mm K0 0.66 +/-0.10 mm Tape Width B, (Max) D 1.5 + 0.1 mm - 0.0 mm (0.59 +.005 - .000) D1 E F K (Max) P P0 P2 T (Max) W 8 mm 4.2 mm (.165) 0.8 mm 0.25 (.031) 1.7500.1 mm (.069.004) 3.50.05 mm (.138.002) 2.4 mm (.094) 4.00.10 mm (.157.004) 4.00.1 mm (.157.004) 2.00.05 mm (.079.002) 0.4mm (.016) 8.0 mm + 0.3 mm - 0.1 mm (.312.012) Contact Information Semtech Corporation Protection Products Division 200 Flynn Rd., Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 www.semtech.com 2007 Semtech Corp. 7 |
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