*R oH VE S CO AV R M AI SIO PL LA N IA BL S NT E Features ■ ■ ■ ■ RoHS compliant* versions available Matched pair of resistors Power line fault/lightning protection to BELLCORE GR-1089 Typical application is secondary protection on telecom line cards ■ Bourns TISP® products are recommended for the overvoltage section of the protection circuit 4B04B-523-RC - Line Protection Module Matched Pair of Resistors Electrical Characteristics Product Dimensions Resistance Values (R1 = R2) .................................15 ohms- 60 ohms Resistance Tolerance >34Ω ........................................................................................±2 % <34Ω ........................................................................................±5 % TCR ..................................................................................100 ppm/°C Ratio Tolerance >34Ω .....................................................................................±0.5 % <34Ω ........................................................................................±2 % Temperature Range...................................................-40 ºC to +85 ºC 51.05 MAX. (2.010) 12.19 (.480) 1 8.89 (.350) Physical Characteristics Body Style ................................................................Open Frame SIP Substrate Material ........................................................96 % Alumina Lead Frame Material........................................Copper, solder coated Flammability .....................................................Conforms to UL94V-0 1.52 (.060) MAX. 4 11 7.62 (.300) 14 0.36 (.014) MAX. 3.43 ± .381 (.135 ± .015) 17.78 (.700) MM (INCHES) DIMENSIONS: Functional Characteristics (per Bellcore GR-1089) First Level Lightning Surge Resistors will remain within tolerance after testing. Electrical Schematic 1000 Volts Peak, 100 Amp Peak Current, Max. Rise/Min. Decay Time 10x1000 µs, Number of Pulses ..............................25 each resistor each polarity 25 simultaneous each polarity 2500 Volts Peak, 500 Amp Peak Current, Max. Rise/Min. Decay Time 2x10 µs, Number of Pulses .............................10 simultaneous each polarity R1 1 R2 4 11 14 Break Open Time First Level AC Power Fault Resistors will remain within tolerance after testing. 50 Vrms, .33 Amp Short Circuit Current, Duration...........................................................................15 minutes 100 Vrms, .17 Amp Short Circuit Current, Duration...........................................................................15 minutes 600 Vrms, 1.0 Amp Short Circuit Current, Duration ........................................................60 One-second pulses Second Level Lightning Surge Resistor package must fail safely causing no fire, electrical, or framentation hazard. 5000 Volts Peak, 500 Amp Peak Current, Max. Rise/Min. Decay Time 2x10 µs, Number of Pulses ...............................1 simultaneous each polarity How To Order 4B 04 B - 523 - RC LF Second Level AC Power Fault Resistor package must fail safely causing no fire, electrical, or framentation hazard. Model (4B = Open Frame) Number of Pins Standard Resistance Values Physical Configuration Resistance (ohms) Resistance Code 20 40 50 200 400 500 *RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Electrical Configuration • 523 = Matched Pair of Resistors Resistance Code • First 2 digits are significant • Third digit represents the number of zeros to follow RoHS Compliant Option Blank = Standard Product LF =RoHS Compliant Product REV. 06/11