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PTCTT95R500GTELAR Datasheet(PDF) 1 Page - Vishay Siliconix |
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PTCTT95R500GTELAR Datasheet(HTML) 1 Page - Vishay Siliconix |
1 / 5 page PTCTT Series www.vishay.com Vishay BCcomponents Revision:03-Mar-14 1 Document Number: 29088 For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 TWIN Vertical SMD PTC Thermistors For Telecom Overload Protection DESCRIPTION The component consists of two high performance PTC ceramics mounted together on an alumina spacer cover and with 4 lead (Pb)-free tin plated contacts. The terminations are joined to the Ag plated ceramics by a high melting solder. MARKING • All TWIN Vertical SMD PTC’s are marked with the last 3-digits of the type number (BCxxx) and a date code (YYWW) FEATURES • Very small footprint, allowing to increase the number of lines per PCB • Matched pairs in one component, significantly reducing the assembly time • Narrow tracking between the 2 PTC’s over a wide temperature range (matching at 85 °C: 2 x matching at 25 °C) • Limited height and weight, used on high speed pick-and- place circuit assembly • Flat pick-up ceramic area for easy placement • Small ceramics for faster response time • Thermal coupled PTC’s for enhanced protection • Small and large pitch available • Compliant with the enhanced level requirements of ITU - K20-21-45 edition 2003 • Suitable for lead (Pb)-bearing and lead (Pb)-free reflow soldering • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 APPLICATIONS Over-temperature/over-load protection: • Telecom - Telecommunications infrastructure - PABX - Set-top Box (S.B.) MOUNTING A flat pick-up area of 30 mm2 and low weight allows for fast placement. No excessive solder paste should be used as no solder or flux can reach the ceramic body during reflow soldering. Not suitable for bismuth containing solder. Typical soldering 235 °C, duration: 5 s (Lead (Pb)-bearing) 245 °C, duration: 5 s (Lead (Pb)-free) Resistance to soldering heat 260 °C, duration: 10 s max. Note • All data is measured at 25 °C unless otherwise specified QUICK REFERENCE DATA PARAMETER VALUE UNIT Resistance value at 25 °C 10 to 50 Switching temperature 105 to 130 °C Maximum voltage (RMS) 240 VRMS Maximum overload current 2.5 to 8.0 A Operating temperature range at Vmax. -40 to 85 °C Maximum trip time at 1 A 1.2 to 4.0 s Weight ~ 1.3 g ELECTRICAL DATA R25 ± 20 % ( ) MATCHING ( Vmax. (VRMS) Int at It (mA) MAX. TRIP-TIME at 1 A (s) Imax. at Vmax. (A) Ires (2 PIECES POWERED) at Vmax. (mA) 25 °C (mA) 70 °C (mA) 85 °C (mA) 10 0.5 240 140 85 55 300 4.0 4.0 12.0 20 0.5 240 90 60 40 200 2.0 8.0 12.0 25 0.5 240 100 60 40 200 2.0 4.0 12.0 35 1.0 240 100 60 40 200 1.5 4.0 12.0 50 1.0 240 90 50 35 190 1.2 2.5 12.0 |
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