RClamp 1521PQ Ultra-Low Capacitance 1-Line ESD Protection PROTECTION PRODUCTS - RailClamp Description Features The RailClamp family is a series of ultra low capacitance u Transient protection for data lines to IEC 61000-4-2 (ESD) 15kV (air), 8kV (contact) Transient Voltage Suppressors (TVS) designed to protect IEC 61000-4-4 (EFT) 40A (tp = 5/50ns) high speed data interfaces. This series has been speci - Cable Discharge Event (CDE) cally designed to protect sensitive components which u Ultra-small package (1.0 x 0.6 x 0.5mm). are connected to high-speed data and transmission u Protects one data or I/O line. lines from overvoltage caused by ESD (electrostatic dis- u Low capacitance: 0.3pF typical. charge), CDE (Cable Discharge Events), and EFT (electri- u Low clamping voltage. cal fast transients). u Low operating voltage: 15V. The RClamp 1521PQ has a maximum capacitance of u Solid-state silicon-avalanche technology. only 0.5pF. This allows it to be used on circuits operat- u AEC-Q100 Grade1 Quali ed. ing 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 dis- charge). Mechanical Characteristics The RClamp1521PQ is in a 2-pin, RoHS/WEEE compli- u SLP1006P2 package. ant, SLP1006P2 package measuring 1.0 x 0.6 x 0.5mm. u Molding compound ammability rating: UL 94V-0. The leads are spaced at a pitch of 0.65mm and feature u Marking: Marking code. a lead-free nish. Each device will protect one high- u Packaging : Tape and Reel. speed line operating at 15 volts. It gives the designer u Lead Finish: NiPdAu. the exibility to protect single lines in applications where u RoHS/WEEE Compliant 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 high-power USB. Applications The RClamp1521PQ is quali ed to AEC-Q100 Grade 1 for Automotive use. u Cellular Handsets & Accessories. u USB Ports. u PCI Express. u Serial ATA. u Automotive Applications. Package Dimensions Schematic & Pin Con guration 7 7/ 7/- 7- 1%-&-2 2 1%-&-2%2 www.semtech.com Revised 3/15/2013 1RClamp1521PQ PROTECTION PRODUCTS Absolute Maximum Ratings Rating Symbol Value Units Peak Pulse Power (tp = 8/20s) P 120 W PK Peak Pulse Current (tp = 8/20s) I 4 A PP ESD per IEC 61000-4-2 (Air) 15 V kV ESD ESD per IEC 61000-4-2 (Contact) 8 O Operating Temperature T -40 to +125 C J O Storage Temperature T -55 to +150 C STG O Electrical Characteristics (T=25 C unless otherwise speci ed) Parameter Symbol Conditions Min. Typ. Max. Units Reverse Stand-Off Voltage V T = -40 to +125C 15 V RWM It = 1mA Reverse Breakdown Voltage V 16.7 V BR T = -40 to +125C T = 25C 1 Reverse Leakage Current I V = 15V, uA R RWM T = 125C 5 Clamping Voltage V I = 1A, tp = 8/20s 30 V C PP Clamping Voltage V I = 4A, tp = 8/20s 35 V C PP T = 25C 0.30 0.50 pF Junction Capacitance C V = 0V, f = 1MHz J R T = 125C 1.00 www.semtech.com 2013 Semtech Corporation. 2