4A12P-1AH-12R5

www.DataSheet4U.com Ro VE LEA HS RS D CO I O N F R E M SA E PL R IA E NT * Features ■ ■ ■ ■ ■ ■ Lead free versions available (RoHS compliant*) Overcurrent/lightning protection to TELCORDIA GR-1089 Issue 3 Typical application is secondary protection on telecom line cards UL497A recognition Thermal fuse links Must be used in conjunction with a solid state primary protector, or a GDT primary protector 4A12P-1AH-12R5 - Surge Line Protection Module Electrical Characteristics Resistance Value ................................................................12.5 ohms Resistance Tolerance ..................................................................±5 % TCR ..................................................................................100 ppm/°C Ratio Tolerance ........................................................................±0.5 % Temperature Range...................................................-40 ºC to +85 ºC Functional Characteristics @ 25 °C (Continued) 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. Device will fail prior to Bussman MDQ 1-6/10 A fuse in series. 100 Vrms, 2.2 Amp Short Circuit Current: Duration.......................