Features ■ ■ ■ ■ Overcurrent/lightning protection to BELLCORE GR-1089 Typical application is secondary protection on telecom line cards UL497A recognition Thermal fuse links 4A12P-516-500 - Surge Line Protection Module Electrical Characteristics Product Dimensions Resistance Value..........................................................................50 Ω Resistance Tolerance ..................................................................±1 % TCR ..................................................................................100 ppm/°C Ratio Tolerance ........................................................................±0.5 % Temperature Range...................................................-40 ºC to +85 ºC MAX. 32.81 MAX. (1.292) 2.80 (.110) Physical Characteristics Body Style ...........................................Dual In Line SMD - Twin Pack Substrate Material ........................................................96 % Alumina Lead Frame Material........................................Copper, solder coated Flammability .....................................................Conforms to UL94V-0 Processability................Unit is only suitable for no-clean processing Convection Reflow...................Unit will withstand 260 °, 20 seconds Packaging .................16 “ diameter reels, 44 mm tape, 250 pcs./reel 12.70 14.59 (.500) (.575) 1 2 4 8 2.54 ± .13 (.100 ± .005) 10.16 ± .13 (.400 ± .005) DIMENSIONS: First Level AC Power Fault Resistors will remain within tolerance after testing. R1B F2B F1B 22 21 19 15 13 12 1 2 4 8 10 11 F1A F2A R1A R2A 100 Vrms, 0.17 Amp Short Circuit Current: Duration...........................................................................15 minutes How To Order 600 Vrms, 1.00 Amp Short Circuit Current: Duration ........................................................60 One-second pulses Model (4A = Surface Mount) 5000 Volts Peak, 500 Amp Peak Current, Max. Rise/Min. Decay Time 2x10 µs: Number of Pulses ...............................1 simultaneous each polarity MILLIMETERS (INCHES) R2B 50 Vrms, 0.33 Amp Short Circuit Current: Duration...........................................................................15 minutes Second Level Lightning Surge Resistor package must fail safely causing no fire, electrical, or framentation hazard. 4.07 ± .25 (.160 ± .010) Electrical Schematic 1000 Volts Peak, 100 Amp Peak Current, Max. Rise/Min. Decay Time 10x1000 µs, 60 Seconds Between Pulses: Number of Pulses ..............................25 each resistor each polarity 2500 Volts Peak, 500 Amp Peak Current, Max. Rise/Min. Decay Time 2x10 µs, 60 Seconds Between Pulses: Number of Pulses .............................10 simultaneous each polarity 10 11 3.72 (.146) Functional Characteristics (per Bellcore GR-1089) First Level Lightning Surge Resistors will remain within tolerance after testing. 7.87 (.310) 4A 12 P - 516 - 500 Number of Pins Physical Configuration Electrical Configuration 516 = Matched pair of resistors plus thermal fuse Resistance Code • 500 = 50 Ω Second Level AC Power Fault Resistor package must fail safely causing no fire, electrical, or framentation hazard. Device will fail prior to Bussman MDQ 1-6/10 A fuse in series. 100 Vrms, 2.2 Amp Short Circuit Current: Duration...........................................................................15 minutes 600 Vrms, 7 Amp Short Circuit Current: Duration............................................................................5 seconds 250 Vrms, 25 Amp Short Circuit Current: Duration...........................................................................15 minutes 600 Vrms, 60 Amp Short Circuit Current: Duration............................................................................5 seconds Reliable Electronic Solutions Asia-Pacific: TEL +886- (0)2 25624117 • FAX +886- (0)2 25624116 Europe: TEL +41-41 7685555 • FAX +41-41 7685510 North America: TEL +1-909 781-5500 • FAX +1-909 781-5700 bourns.com 09/02 Specifications are subject to change without notice. COPYRIGHT© 2002, BOURNS, INC. LITHO IN U.S.A. 09/02 e/L0211