4B06B-504-RC

Features ■ ■ ■ Overvoltage/lightning protection to ITU-T K.20/K.21/K.45 Resettable overcurrent protection Typical application is secondary protection on telecom line cards 4B06B-504-RC - Surge Line Protection Module Electrical Characteristics Resistance Value, 50 Ohm R1=R2=42 ohms ......................................................................±1 % Ratio Tolerance R1/R2 .............................................................±1 % Resistance Value, 100 Ohm R1=R2=92 ohms ......................................................................±1 % Ratio Tolerance R1/R2 .............................................................±1 % PPTC, R3 & R4, 8 Ohms Nominal Value Resistance Range .............................................5 ohms to 15 ohms Ratio Tolerance R3/R4.........................Matched to within 0.7 ohms Trip Time at 1 Amp ...............................................2 seconds at 25 °C Hold Current ............................................................................130 ma Temperature Range ..................................................-40 ºC to +85 ºC Product Dimensions 10.67 (.420) MAX. SEATED HEIGHT 4B06B-504-500 DCODE 38.35 (1.510) 5.08 (.200) MAX. 1 3.43 ± .38 (.135 ± .015) 5 7 5.08 (.200) 9 11 15 .51 (.020) 0.36 (.014) MAX. Physical Characteristics Body Style ................................................................Open Frame SIP Substrate Material ........................................................96 % Alumina Lead Frame Material .......................................Copper, solder coated Flammability.....................................................Conforms to UL94V-0 1.40 (.055) 10.16 (.400) 2 PLCS. Functional Characteristics Lightning Surge Test ............................................10 x 700 µs, 1.5 kV Power Induction..................................................................300 V rms Power Contact....................................................................220 V rms DIMENSIONS: MILLIMETERS (INCHES) Electrical Schematic 4B06B-504-500 DCODE R3 R1 R2 R4 1 5 7 9 11 15 How To Order 4B 06 B - 504 - XXX Model (4B = Open Frame) Number of Pins Physical Configuration Electrical Configuration 504 = Matched pair of resistors plus PPTC Circuit Protection Division Asia-Pacific: TEL +886- (0)2 25624117 FAX +886- (0)2 25624116 Europe: TEL +41-41 7685555 FAX +41-41 7685510 The Americas: TEL +1-951 781-5500 FAX +1-951 781-5700 Resistance Code • 500 = 50 Ω • 101 = 100 Ω www.bourns.com REV. 12/04 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.