RClamp1502B Ultra-Low Capacitance TVS for ESD and CDE Protection PROTECTION PRODUCTS - RailClamp Features Description RailClamps are ultra low capacitance TVS arrays Transient protection for high-speed data lines to designed to protect high speed data interfaces. This IEC 61000-4-2 (ESD) 15kV (air), 8kV (contact) series has been specifically designed to protect sensi- IEC 61000-4-4 (EFT) 40A (5/50ns) tive components which are connected to high-speed Designed to replace polymer TVS data and transmission lines from overvoltage caused Protects up to two I/O lines by ESD (electrostatic discharge), CDE (Cable Discharge Ultra-Low capacitance (<1pF) Events), and EFT (electrical fast transients). >3.0GHz>3.0GHz No insertion loss to >3.0GHz>3.0GHz>3.0GHz TM The RClamp 1502B has a typical capacitance of only Low profile (<1mm) 0.60pF (pin 1 to 2). This means it can be used on Low leakage current and clamping voltage circuits operating in excess of 3GHz without signal Low operating voltage: 15.0V attenuation. They may be used to meet the ESD Solid-state silicon-avalanche technology immunity requirements of IEC 61000-4-2, Level 4 (15kV air, 8kV contact discharge). Each device can Mechanical Characteristics be configured to protect 1 bidirectional line or two SC-75 (SOT-523) package unidirectional lines. Lead Finish: Matte Tin These devices are in a small SC-75 (SOT-523) package RoHS/WEEE Compliant and feature a lead-free, matte tin finish. They are com- Molding compound flammability rating: UL 94V-0 patible with both lead free and SnPb assembly tech- Marking: P6 niques. They are designed for use in applications where Packaging: Tape and Reel board space is at a premium. The combination of small size, low capacitance, and high level of ESD protection Applications makes them a flexible solution for applications such as Automatic Test Equipment and Infiniband circuits. Automatic Test Equipment Firewire Ports GaAs Photodetector Protection HBT Power Amp Protection Infiniband Transceiver Protection Dimensions Schematic & PIN Configuration 1.60 0.50 BSC 3 1.60 0.80 12 1.00 BSC 0.75 SC-75 3L (Top View) Nominal Dimensions (mm) www.semtech.com Revision 2/3/2009 1RClamp1502B PROTECTION PRODUCTS Absolute Maximum Rating Rlating Seymbo Vsalu Unit PPeak Pulse Power (tp = 8/20s) 2s00 Watt pk PIeak Pulse Current (tp = 8/20s) 5A PP ESD per IEC 61000-4-2 (Air) V 15 kV ESD ESD per IEC 61000-4-2 (Contact) 8 OTperating Temperature -C55 to +125 J STtorage Temperature -C55 to +150 STG o Electrical Characteristics (T=25 C) PlarameterSsymboCmondition MlinimuTmypicaMsaximu Unit RVeverse Stand-Off Voltage Pin 1 or Pin 2 to Pin 3 1V5 RWM and Between Pins 1 and 2 RVeverse Breakdown Voltage I = 1mA1V6.7 BR t Pin 1 or Pin 2 to Pin 3 and Between Pins 1 and 2 RIeverse Leakage Current V = 15V, T=25C 1A R RWM Pin 1 or Pin 2 to Pin 3 and Between Pins 1 and 2 CVlamping Voltage I = 1A, tp = 8/20s 3V2 C PP Pin 1 to Pin 2 CVlamping Voltage I = 5A, tp = 8/20s 3V6 C PP Pin 1 or Pin 2 to Pin 3 CVlamping Voltage I = 5A, tp = 8/20s 4V0 C PP Pin 1 to Pin 2 V = 0V, f = 1MHz 09.60 0F. p R JCunction Capacitance j Pin 1 to Pin 2 V = 0V, f = 1MHz 1F.5 p R JCunction Capacitance j Pin 1 or Pin 2 to Pin 3 www.semtech.com 2009 Semtech Corp. 2