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| PROTECTION PRODUCTS Description RailClamps(R) are low capacitance TVS arrays designed to protect high speed data interfaces. This series has been specifically designed to protect sensitive components which are connected to data and transmission lines from overvoltage caused by ESD (electrostatic discharge), CDE (Cable Discharge Events), and EFT (electrical fast transients). The unique design incorporates two identical circuits. Each circuit is comprised of surge rated, low capacitance steering diodes and a TVS diode in a single package. During transient conditions, the steering diodes direct the transient current to ground. The internal TVS diode clamps the transient voltage to a safe level. The RClamp0524S has a low maximum capacitance of only 5pF per line. Each device will protect up to four data lines. The dual circuits make it ideal for applications like power over Ethernet (PoE) where each signal pair sits at a different potential. The RClampTM0524S is in a 6-pin, RoHS/WEEE compliant, SOT-23 package. The leads are finished with leadfree matte tin. They may be used to meet the ESD immunity requirements of IEC 61000-4-2, Level 4 (15kV air, 8kV contact discharge). RailClamp(R) Low Capacitance TVS Diode Array Features ESD protection for high-speed data lines to IEC 61000-4-2 (ESD) 15kV (air), 8kV (contact) IEC 61000-4-4 (EFT) 40A (5/50ns) Array of surge rated diodes with internal TVS Diode Small package saves board space Protects four I/O lines Low capacitance: 5pF maximum Low clamping voltage Low operating voltage: 5.0V Solid-state silicon-avalanche technology RClamp0524S Mechanical Characteristics JEDEC SOT-23 6L package Molding compound flammability rating: UL 94V-0 Marking : S05 Packaging : Tape and Reel RoHS/WEEE Compliant Applications PoE Monitors and Flat Panel Displays Digital Video Interface (DVI) 10/100/1000 Ethernet Notebook Computers Package Dimensions Equivalent Circuit and PIN Configuration 1.6 1 2 2.8 2.9 1.0 6 Pin SOT-23 package Nominal Dimensions in mm Revision 04/24/2008 1 SOT-23 6L (Top View) www.semtech.com RClamp0524S PROTECTION PRODUCTS Absolute Maximum Rating R ating Peak Pulse Power (tp = 8/20s) ESD per IEC 61000-4-2 (Air) ESD per IEC 61000-4-2 (Contact) Lead Soldering Temperature Operating Temperature Storage Temperature Symbol Pp k VESD TL TJ TSTG Value 150 15 8 260 (10 sec.) -55 to +125 -55 to +150 Units Watts kV C C C Electrical Characteristics (T=25oC unless otherwise specified) Parameter Reverse Stand-Off Voltage Reverse Breakdown Voltage Symbol VRWM V BR Conditions Pin 2 or 4 to Pin 3 Pin 5 or 6 to Pin 1 It = 1mA Pin 2 or 4 to Pin 3 Pin 5 or 6 to Pin 1 VRWM = 5V, T=25C Pin 2 or 4 to Pin 3 Pin 5 or 6 to Pin 1 IPP = 1A, tp = 8/20s Pin 2 or 4 to Pin 3 Pin 5 or 6 to Pin 1 IPP = 1A, tp = 8/20s Pin 3 to Pin 2 or 4 Pin 1 to Pin 5 or 6 IPP = 6A, tp = 8/20s Pin 2 or 4 to Pin 3 Pin 5 or 6 to Pin 1 IPP = 6A, tp = 8/20s Pi n 2 to Pi n 4 Pi n 5 to Pi n 6 VR = 0V, f = 1MHz Pin 2 or 4 to Pin 3 Pin 5 or 6 to Pin 1 VR = 0V, f = 1MHz Pi n 2 to 4 Pi n 5 to 6 (c) 2008 Semtech Corp. 2 Minimum Typical Maximum 5 Units V V 6 Reverse Leakage Current IR 1 A Clamp ing Voltage VC 15 V Clamp ing Voltage VC 2 V Clamp ing Voltage VC 24 V Clamp ing Voltage VC 26 V Junction Cap acitance Cj 5 pF 1.5 pF www.semtech.com RClamp0524S PROTECTION PRODUCTS Typical Characteristics Non-Repetitive Peak Pulse Power vs. Pulse Time 10 110 100 Power Derating Curve Peak Pulse Power - PPP (kW) % of Rated Power or PP I 90 80 70 60 50 40 30 20 10 1 0.1 0.01 0.1 1 10 Pulse Duration - tp (s) 100 1000 0 0 25 50 75 100 125 150 Ambient Temperature - TA (oC) Pulse Waveform 110 100 90 80 70 60 50 40 30 20 10 0 0 5 10 15 Time (s) 20 25 30 0 0 PP Clamping Voltage vs. Peak Pulse Current 25 Clamping Voltage -VC (V) Waveform Parameters: tr = 8s td = 20s e-t 20 Line to Line Percent of I 15 Line to Gnd td = IPP/2 10 Waveform Parameters: tr = 8s td = 20s 5 1 2 3 4 5 Peak Pulse Current - IPP (A) 6 7 Forward Voltage vs. Forward Current 3 2.5 Forward Voltage (V) 2 1.5 1 0.5 0 0 1 2 3 4 5 6 7 Normalized Capacitance vs. Reverse Voltage 1.5 1.4 1.3 1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 Reverse Voltage - VR (V) 4 Waveform Parameters: tr = 8s td = 20s CJ(VR) / CJ(VR=0) f = 1 MHz 5 Peak Pulse Current (A) (c) 2008 Semtech Corp. 3 www.semtech.com RClamp0524S PROTECTION PRODUCTS Applications Information Insertion Loss S21 CH1 S21 LOG Analog Cross Talk 20 dB / REF 0 dB CH1 S21 LOG 6 dB / REF 0 dB 1: -.38340 dB 800 MHz 2: -.41460 dB 900 MHz 12 3 0 dB -6 dB 4 3: -1.6371 dB 1.8 GHz 4: -6.3880 dB 2.5 GHz 5: -7.0638 dB 2.7 GHz -12 dB -18 dB -24 dB -30 dB -36 dB 4 1 MHz START. MHz 10 MHz 100 MHz 3 1 GHz GHz . STOP 3 000 000000 MHz START. 030 MHz . STOP 3000 000000 MHz ESD Clamping (8kV Contact per IEC 61000-4-2) Note: Data is taken with a 10x attenuator (c) 2008 Semtech Corp. 4 www.semtech.com RClamp0524S PROTECTION PRODUCTS RJ45 Figure 1 - GbE Ethernet Differential Protection Figure 2 - 10/100 Ethernet Differential Mode Protection (c) 2008 Semtech Corp. 5 www.semtech.com RClamp0524S PROTECTION PRODUCTS Outline Drawing - SO-8 Outline Drawing -SOT23 6L A e1 N EI 1 ccc C 2X N/2 TIPS e B 2 E D DIM A A1 A2 b c D E1 E e e1 L L1 N 01 aaa bbb ccc DIMENSIONS MILLIMETERS INCHES MIN NOM MAX MIN NOM MAX .057 .035 .006 .000 .035 .045 .051 .020 .010 .009 .003 .110 .114 .122 .060 .063 .069 .110 BSC .037 BSC .075 BSC .012 .018 .024 (.024) 6 10 0 .004 .008 .008 1.45 0.90 0.00 0.15 .90 1.15 1.30 0.25 0.50 0.08 0.22 2.80 2.90 3.10 1.50 1.60 1.75 2.80 BSC 0.95 BSC 1.90 BSC 0.30 0.45 0.60 (0.60) 6 0 10 0.10 0.20 0.20 2X E/2 D aaa C A2 SEATING PLANE C A1 bxN bbb C A-B D A H GAGE PLANE 0.25 L (L1) SEE DETAIL SIDE VIEW c 01 A DETAIL A NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. DATUMS -A- AND -B- TO BE DETERMINED AT DATUM PLANE -H3. DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. Land Pattern -SOT23 6L X DIM (C) G Y P Z C G P X Y Z DIMENSIONS INCHES MILLIMETERS (.098) .055 .037 .024 .043 .141 (2.50) 1.40 0.95 0.60 1.10 3.60 NOTES: 1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. (c) 2008 Semtech Corp. 6 www.semtech.com RClamp0524S PROTECTION PRODUCTS Marking Codes Ordering Information Part Number RClamp 0524S.TCT Lead Finish Pb free Qty per Reel 3,000 R eel Size 7 Inch S05 Tape and Reel Specification User Direction of feed A0 3.23 +/-0.05 mm B0 3.17 +/-0.05 mm K0 1.37 +/-0.05 mm Tape Width B, (Max) D D1 E F K (MAX) P P0 P2 T(MAX) W 8.0 mm + 0.3 mm - 0.1 mm 8 mm 4.2 mm (.165) 1.5 + 0.1 mm - 0.0 mm 1.0 mm 0.05 1.750.10 mm 3.50.05 mm 2.4 mm 4.00.1 mm 4.00.1 mm 2.00.05 mm 0.4 mm Contact Information Semtech Corporation Protection Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 (c) 2008 Semtech Corp. 7 www.semtech.com |
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