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4B04B-524-RC Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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4B04B-524-RC Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
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1 / 1 page *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. 4B04B-524-RC - Line Protection Module Matched Pair of Resistors plus Thermal Fuse Electrical Characteristics 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 Physical Characteristics Body Style ..........................................................Open Frame SIP Substrate Material ..................................................96 % Alumina Lead Frame Material .................................Copper, solder coated Flammability...............................................Conforms to UL94V-0 Functional Characteristics (per Bellcore GR-1089) First Level Lightning Surge - Resistors will remain within tolerance after testing. 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 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 Second Level AC Power Fault - Resistor package must fail safely causing no fire, electrical, or framentation hazard. Features ■ RoHS compliant* versions available ■ Matched pair of resistors plus thermal fuse ■ Power line fault/lightning protection to BELLCORE GR-1089 ■ Typical application is secondary protection on telecom line cards ■ UL 497A recognition ■ Thermal fuse links ■ Bourns TISP ® products are recommended for the overvoltage section of the protection circuit 1 4 11 14 8.89 (.350) 7.62 (.300) 17.78 (.700) 51.05 (2.010) MAX. 3.05 (.120) MAX. 0.36 (.014) MAX. 12.19 (.480) 3.43 ± .381 (.135 ± .015) R1 1 4 11 R2 14 How To Order 4B 04 B - 524 - RC LF Model (4B = Open Frame) Number of Pins Physical Configuration Electrical Configuration • 524 = Matched Pair of Resistors plus Thermal Fuse 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 Product Dimensions Electrical Schematic Break Open Time DIMENSIONS: MM (INCHES) REV. 06/11 Standard Resistance Values Resistance Resistance (ohms) Code 20 200 40 400 50 500 |
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