Features 4B06 -500 ■ B-51 0121 4 ■ ■ 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-514-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 1.0 ohms Trip Time at 1 Amp................................................2 seconds at 25 °C Hold Current ............................................................................135 ma Temperature Range...................................................-40 ºC to +85 ºC Product Dimensions 25.65 MAX. (1.010) 12.32 (.485) MAX. 4B06B-514-500 DCODE 1 2.54 (.100) 2 PLCS. 2 4 5.08 (.200) 3 PLCS. Physical Characteristics Body Style ................................................................Open Frame SIP Substrate Material ........................................................96 % Alumina Lead Frame Material .......................................Copper, solder coated Flammability .....................................................Conforms to UL94V-0 4.32 (.170) MAX. 3.43 ± .38 (.135 ± .015) 6 8 9 0.36 (.014) MAX. 2.54 (.100) 2 PLCS. DIMENSIONS: MILLIMETERS (INCHES) Electrical Schematic R1 Functional Characteristics Lightning Surge Test.............................................10 x 700 µs, 1.5 kV Power Induction..................................................................600 V rms Power Contact ....................................................................230 V rms R2 R3 1 2 R4 4 6 8 9 How To Order 4B 06 B - 514 - XXX Model (4B = Open Frame) Number of Pins Physical Configuration Electrical Configuration 514 = Matched pair of resistors plus PPTC Resistance Code • 500 = 50 Ω • 101 = 100 Ω 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 www.bourns.com REV. 01/05 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.