4B08B-513-101

Features ■ ■ ■ Overvoltage/lightning protection to ITU-T K.20 Standard “off-the-shelf” design Typical application is secondary protection on telecom line cards 4B08B-513-RC - Surge Line Protection Module Electrical Characteristics Resistance Values (R1 = R2).......................................50 & 100 Ω Resistance Tolerance ...........................................................±2 % TCR............................................................................100 ppm/°C Ratio Tolerance..................................................................±0.3 % Power Dissipation (per resistor) @ 25 °C ...............................2 W Temperature Range..........................................-55 ºC to +125 ºC Environmental Characteristics Tests per MIL-STD-202..................................................∆ R max. Resistance to Solvents .........................No marking deterioration Resistance to Solder Heat................................................± 0.5 Ω Solderability.......................................................>95 % Coverage Insulation Resistance ........................10 MΩ min. (isolated pins) Bias Humidity Test..................................50 V / 85 % RH / 85 °C Physical Characteristics Body Style..........................................................Open Frame SIP Substrate Material..................................................96 % Alumina Lead Frame Material.................................Copper, solder coated 4B08B-513-500 Flammability ..............................................Conforms to UL94V-0 DCODE Product Dimensions 38.35 (1.510) 1.27 (.05) 4B08B-513-500 DCODE MAX. 10.41 (.410) 2.29 (.090) MAX. 23 3.43 ± .38 (.135 ± .015) 5.08 (.200) 5.08 (.200) 2 PLCS. 56 9 10 7.62 (.300) 12 13 .51 (.020) 2.54 (.100) 4 PLCS. 0.36 (.014) MAX. DIMENSIONS: MILLIMETERS (INCHES) Electrical Schematic R1 R2 Functional Characteristics Lightning Surge Test....................................10 x 700 µSec, 1 KV Power Induction ...........................................................300 V rms Power Contact .............................................................220 V rms 2 3 5 6 9 10 12 13 How To Order 4B 08 B - 513 - XXX Model (4B = Open Frame) Number of Pins Physical Configuration Electrical Configuration 513 = Matched pair of resistors plus thermal fuse Resistance Code • 500 = 50 Ω • 101 = 100 Ω Reliable Electronic Solutions Asia-Pacific: TEL +886-2 25624117 • FAX +886-2 25624116 Europe: TEL +41-41 7685555 • FAX +41-41 7685510 North America: TEL +1-909 781-5500 • FAX +1-909 781-5700 www.bourns.com 05/03 Specifications are subject to change without notice. COPYRIGHT© 2003, BOURNS, INC. LITHO IN U.S.A. 05/03 e/L0301