VMF256M3R8 Cornell Dubilier

High Voltage Very Fast Charge/Discharge High Power Density FEATURES RoHS Compliant Solar/Wind Energy Storage Pulse Power Energy Harvesting APPLICATIONS UPS Systems Smart Electric Meters Operating Temperature -15C to +85C Range Storage Temperature -40C to +70C Capacitance Tolerance 20% 25C WVDC 3.8 Voltage (Vdc) SVDC 4.2 3.8V / 3.5V (+70C/+85C) Minimum 2.2 1000 hours with rated voltage applied at 70C Capacitance change 50% of initially measured values Life Time ESR <1000% of initially specified values Leakage current <100% specified maximum value 1000 hours with no voltage applied at 70C Shelf Life Capacitance change 30% of initially measured values ESR <200% of initially specified values 500,000 cycles Life Cycles Capacitance change 30% of initially measured values (25C) 1 cycle = Charge / Discharge from 3.8~2.5VDC ESR change <200% of initially specified values RoHS Compliant 810a Recognized D = 8 to 16mm Lead spacing VS. Case diameter D 8 10 12.5 16 S 3.5 5.0 5.0 7.5 d 0.6 0.6 0.6 0.8 1.5 2.0 2.0 2.0 L =L+ mm 1 D =D+05mm 1 S =S+0.5mm 1 Notes 1. Maintain balanced voltages when used in multiple series or parallel connections. (Consult CDE engineering for guidance) 2. When using metal tooling, trim and bend leads separately. Parts store a charge. Avoid shorting leads. (Consult CDE engineering for guidance) 3. Manual soldering temperature should not exceed 350C and soldering time should not exceed 4 seconds. (Wave and reflow soldering not recommended) Full Material Handling Guidelines Jan-21 High pulse power, extends VMF battery life Dims Lead Lead Capacitance Weight Volume DxL Spacing Diameter WVDC IC PART NUMBER (F) (grams) (mL) LxHxT S d (mm) (mm) (mm) 3.8 10.0 VMF106M3R8 1.4 0.703 8x14 3.5 0.6 3.8 25.0 VMF256M3R8 1.8 1.01 8x20 3.5 0.6 3.8 30.0 VMF306M3R8 2.2 1.26 8x25 3.5 0.6 3.8 40.0 VMF406M3R8 2.5 10x16 5 0.6 1.26 3.8 50.0 VMF506M3R8 3.2 1.57 10x20 5 0.6 3.8 70.0 VMF706M3R8 3.8 1.96 10x25 5 0.6 3.8 120.0 VMF127M3R8 5.4 3.07 12.5x25 5 0.6 3.8 220.0 VMF227M3R8 9.4 5.03 16x25 7.5 0.8 MAX Maximum Short ESR AC 1 DC ESR Max stored Capacitance Current Continuous Circuit LC (A), WVDC IC PART NUMBER kHz (m) energy (F) (A) Current (A) Current (72 hrs) (m) 20C (mWh) (1 Sec.) (T=15C) (A) 3.8 10.0 VMF106M3R8 0.5 0.05 2.53 500 1500 13.33 2 3.8 25.0 VMF256M3R8 0.8 0.125 5.85 300 650 33.33 2.5 3.8 30.0 VMF306M3R8 0.9 0.15 5.43 250 700 40 3 3.8 40.0 VMF406M3R8 1 0.15 6.91 250 550 53.33 3 3.8 50.0 VMF506M3R8 1.5 0.2 8.44 200 450 66.67 4 3.8 70.0 VMF706M3R8 3 0.35 8.44 100 250 93.33 5 3.8 120.0 VMF127M3R8 5 0.6 19 80 200 160 7 3.8 220.0 VMF227M3R8 8 1.1 38 60 100 293.3 12