257DCN2R7SDP Cornell Dubilier

Not Recommended for New Design See our DGH series for New Designs Very fast charge/discharge High power density IEC 62391 FEATURES compliant Circuit board mountable Battery backup/ alternative Pulse power Energy harvesting LED APPLICATIONS Displays Mechanical actuators Audio systems Operating Temperature Range -40C to +60C Storage Temperature -40C to +70C Capacitance Tolerance +30%/-10% (Q tolerance), +20%/-20% (M tolerance) 20C +10%/-10% (K tolerance), +50%/-20% (S tolerance) WVDC 2.7 5.5 Voltage SVDC 2.8 5.7 Maximum Current See standard part listing 1 second discharge to WVDC Operating Current See standard part listing 5 second discharge to WVDC Leakage Current See standard part listing 72 hours,25C 1000 hours with rated voltage applied at 60C Capacitance change +30% of initially measured values Life Time ESR <200% of initially specified values Leakage current < specified maximum value 1000 hours with no voltage applied at 60C Shelf Life Capacitance change +30% of initially measured values ESR <200% of initially specified values Life Cycles 500,000 cycles ( 25C) 1 cycle= Charge to WVDC for Capacitance change +30% of initially measured values 20s, constant voltage charging for 10s, discharge to WVDC for 20s, ESR change <200% of initially specified values rest for 10 s Sep-20 Not Recommended for New Design See our DGH series for New Designs D <18mm Lead spacing VS. Case diameter D 4 8(L<20) 8(L>20) 10 16 18 S 1.5 3.5 3.5 5.0 7.5 7.5 d 0.45 0.5 0.6 0.6 0.8 0.8 L =L(<20mm +1.5mm) (>20mm +2.0mm) 1 D =D(<20mm +0.5mm) (>20mm +1.0mm) 1 S =S+0.5mm 1 Snap in type D >20mm 5.5 Volt units Lead Lead Dims spacing P Capacitance diameter (LxHxT) S (mm) (F) d (mm) (mm) (mm) +1.0mm +/-0.5mm 1 17.5x19.5x9 11.8 0.6 1.75 1.5 17.5x23.5x9 8.3 0.6 1.75 2 21.5x23.5x11 15.3 0.6 2.5 2.5 21.5x23.5x11 15.3 0.6 2.5 Sep-20