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| Low Profile ClampTM 1-Line ESD protection PROTECTION PRODUCTS - MicroClampTM Description The Clamp series of TVS arrays are designed to protect sensitive electronics from damage or latch-up due to ESD. It is designed to replace multilayer varistors (MLVs) in portable applications such as cell phones, notebook computers, and other portable electronics. It features large cross-sectional area junctions for conducting high transient currents. They offer desirable characteristics for board level protection including fast response time, low operating and clamping voltage, and no device degradation. The ClampTM2401T is in a 2-pin, RoHS/WEEE compliant, SLP1006P2T package. It measures 1.0 x 0.6 mm with a nominal height of only 0.4mm. The leads are spaced at a pitch of 0.65mm and are finished with lead-free NiPdAu. Each device will protect one line operating at 24 volts. It gives the designer the flexibility to protect single lines in applications where arrays are not practical. They may be used to meet the ESD immunity requirements of IEC 61000-4-2, Level 4 (15kV air, 8kV contact discharge). The combination of small size and high ESD surge capability makes them ideal for use in portable applications such as cellular phones, digital cameras, and MP3 players. TM UCLAMP2401T 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 0.4mm) Protects one data line Low clamping voltage Working voltage: 24V Low leakage current Solid-state silicon-avalanche technology Mechanical Characteristics SLP1006P2T package RoHS/WEEE Compliant Nominal Dimensions: 1.0 x 0.6 x 0.4 mm Lead Finish: NiPdAu Molding compound flammability rating: UL 94V-0 Marking : Marking code, cathode band Packaging : Tape and Reel Applications Cellular Handsets & Accessories Personal Digital Assistants (PDAs) Notebooks & Handhelds Portable Instrumentation Digital Cameras Peripherals MP3 Players Dimensions 1.0 0.60 0.65 Schematic & PIN Configuration 0.40 Nominal Dimensions (mm) Revision 01/15/2008 1 SLP1006P2T (Bottom View) www.semtech.com UCLAMP2401T PROTECTION PRODUCTS Absolute Maximum Rating R ating Peak Pulse Power (tp = 8/20s) Maximum Peak Pulse Current (tp = 8/20s) ESD p er IEC 61000-4-2 (Air) ESD p er IEC 61000-4-2 (Contact) Op erating Temp erature Storage Temp erature Symbol Pp k Ip p VESD TJ TSTG Value 150 3 +/- 20 +/- 15 -55 to +125 -55 to +150 Units Watts Amps kV C C Electrical Characteristics (T=25oC) Parameter Reverse Stand-Off Voltage Reverse Breakdown Voltage Reverse Leakage Current Forward Voltage Clamping Voltage Junction Capacitance Symbol VRWM V BR IR VF VC Cj It = 1mA VRWM = 24V, T=25C IF = 10mA IPP = 3A, tp = 8/20s VR = 0V, f = 1MHz 1 27 0.25 1.2 50 50 Conditions Minimum Typical Maximum 24 Units V V A V V pF 2008 Semtech Corp. 2 www.semtech.com UCLAMP2401T PROTECTION PRODUCTS Typical Characteristics Non-Repetitive Peak Pulse Power vs. Pulse Time 10 Power Derating Curve 110 100 90 % of Rated Power or IPP 80 70 60 50 40 30 20 10 PP (kW) Peak Pulse Power - P 1 0.1 0.01 0.1 1 10 Pulse Duration - tp (us) 100 1000 0 0 25 50 75 100 o 125 150 Ambient Temperature - TA ( C) Clamping Voltage vs. Peak Pulse Current 60 50 Clamping Voltage - V C (V) 40 30 20 10 0 0 0.5 1 1.5 2 2.5 3 3.5 Peak Pulse Current - IPP (A) Waveform Parameters: tr = 8s td = 20s Forward Voltage vs. Forward Current 2.5 Forward Voltage - V F (V) 2 1.5 1 Waveform Parameters: tr = 8s td = 20s 0.5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 Forward Current - IF (A) Normalized Junction 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 5 10 15 Reverse Voltage - VR (V) 20 f = 1 MHz ESD Clamping (8kV Contact per IEC 61000-4-2) CJ(VR) / C J(VR=0) 25 Note: Data is taken with a 10x attenuator 2008 Semtech Corp. 3 www.semtech.com UCLAMP2401T PROTECTION PRODUCTS Typical Characteristics Insertion Loss S21 CH1 S21 LOG 6 dB / REF 0 dB 1: -16.256 dB 800 MHz 0 dB -6 dB -12 dB 3 5 2: -18.898 dB 900 MHz 3: -13.561 dB 1.8 GHz 3: -9.5299 dB 2.5 GHz 3: -9.072 dB 2.7 GHz 4 -18 dB -24 dB -30 dB -36 dB 1 2 1 MHz START. 030 MHz 10 MHz 100 MHz 3 1 GHz GHz STOP 3000. 000000 MHz 2008 Semtech Corp. 4 www.semtech.com UCLAMP2401T PROTECTION PRODUCTS Applications Information Device Connection Options This device is designed to protect one data or power supply line. The device is unidirectional and may be used on lines where the signal polarity is above ground. The cathode band should be placed towards the line that is to be protected. 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. Circuit Diagram 2008 Semtech Corp. 5 www.semtech.com UCLAMP2401T PROTECTION PRODUCTS Applications Information - Spice Model UCLAMP2401T Spice Model UCLAMP2401T Spice Parameters Parameter IS BV VJ RS IB V CJO TT M N EG Unit Amp Volt Volt Ohm Amp Farad sec --eV D1 (T VS) 3.87E-13 31.1 0.68 4.35 1.0E-3 27E-12 2.541E-9 0.32 1.1 1.11 2008 Semtech Corp. 6 www.semtech.com UCLAMP2401T PROTECTION PRODUCTS Outline Drawing - SLP1006P2T A D B E DIMENSIONS INCHES MILLIMETERS DIM MIN NOM MAX MIN NOM MAX A A1 b D E e L R N aaa bbb .015 .016 .017 .000 .001 .002 .018 .020 .022 .035 .039 .043 .020 .024 .028 .026 BSC .008 .010 .012 .002 .004 .006 2 .003 .004 0.37 0.40 0.43 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 TOP VIEW A aaa C A1 PIN 1 ID R bxN bbb CAB 2x L e C SEATING PLANE BOTTOM VIEW NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). Land Pattern - SLP1006P2T Y (C) G Z X NOTES: DIM C G X Y Z DIMENSIONS INCHES MILLIMETERS (.033) (0.85) .012 0.30 .024 0.60 .022 0.55 .055 1.40 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. 2008 Semtech Corp. 7 www.semtech.com UCLAMP2401T PROTECTION PRODUCTS Marking Code Ordering Information Part Number uClamp 2401T.TCT Working Voltage 24V Qty per Reel 3,000 Reel Size 7 Inch 24 PIN 1 ID Tape and Reel Specification Notes: 1) This is a lead-free, RoHS/WEEE compliant product MicroClamp, uClamp and Clamp are marks of Semtech Corporation Cathode Bar User Direction of feed Device Orientation in Tape 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 1.750.10 mm (.069.004) F P 4.00.10 mm (.157.004) P0 4.00.1 mm (.157.004) P2 T W 8.0 mm + 0.3 mm - 0.1 mm (.312.012) 8 mm 4.2 mm (.165) 0.4 mm 0.25 (.031) 3.50.05 mm (.138.002) 2.00.05 mm (.079.002) 0.2540.02 mm (.016) Contact Information Semtech Corporation Protection Products Division 200 Flynn Rd., Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 www.semtech.com 2008 Semtech Corp. 8 |
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